JAVA-1848: new module apache-libraries to group apache-* modules with a
single article
This commit is contained in:
sampadawagde
@@ -0,0 +1,15 @@
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## Apache Avro
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This module contains articles about Apache Avro
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### Relevant Articles:
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- [Guide to Apache Avro](https://www.baeldung.com/java-apache-avro)
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- [Introduction to Apache Beam](https://www.baeldung.com/apache-beam)
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- [Intro to Apache BVal](https://www.baeldung.com/apache-bval)
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- [Building a Microservice with Apache Meecrowave](https://www.baeldung.com/apache-meecrowave)
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- [Intro to Apache OpenNLP](https://www.baeldung.com/apache-open-nlp)
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- [Introduction to Apache Pulsar](https://www.baeldung.com/apache-pulsar)
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- [Getting Started with Java and Zookeeper](https://www.baeldung.com/java-zookeeper)
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- [Introduction to Apache Curator](https://www.baeldung.com/apache-curator)
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- [A Quick Guide to Apache Geode](https://www.baeldung.com/apache-geode)
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- [Guide to Solr in Java with Apache Solrj](https://www.baeldung.com/apache-solrj)
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@@ -0,0 +1,223 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<artifactId>apache-miscellaneous-1</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>apache-libraries</name>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-modules</artifactId>
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<version>1.0.0-SNAPSHOT</version>
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</parent>
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<dependencies>
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<!-- avro -->
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<dependency>
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<groupId>org.apache.avro</groupId>
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<artifactId>avro</artifactId>
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<version>${avro.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.avro</groupId>
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<artifactId>avro-compiler</artifactId>
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<version>${avro.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.avro</groupId>
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<artifactId>avro-maven-plugin</artifactId>
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<version>${avro.version}</version>
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</dependency>
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<!-- beam -->
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<dependency>
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<groupId>org.apache.beam</groupId>
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<artifactId>beam-sdks-java-core</artifactId>
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<version>${beam.version}</version>
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</dependency>
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<!-- runtime scoped -->
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<dependency>
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<groupId>org.apache.beam</groupId>
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<artifactId>beam-runners-direct-java</artifactId>
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<version>${beam.version}</version>
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<scope>runtime</scope>
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</dependency>
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<!-- bval -->
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<dependency>
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<groupId>org.apache.bval</groupId>
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<artifactId>bval-jsr</artifactId>
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<version>${bval.version}</version>
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</dependency>
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<dependency>
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<groupId>javax.validation</groupId>
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<artifactId>validation-api</artifactId>
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<version>${javax.validation.validation-api.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.bval</groupId>
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<artifactId>bval-extras</artifactId>
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<version>${bval.version}</version>
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</dependency>
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<!-- meecrowave -->
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-core</artifactId>
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<version>${meecrowave-core.version}</version>
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</dependency>
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<!-- https://mvnrepository.com/artifact/org.apache.meecrowave/meecrowave-jpa -->
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-jpa</artifactId>
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<version>${meecrowave-jpa.version}</version>
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</dependency>
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<dependency>
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<groupId>com.squareup.okhttp3</groupId>
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<artifactId>okhttp</artifactId>
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<version>${okhttp.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-junit</artifactId>
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<version>${meecrowave-junit.version}</version>
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<scope>test</scope>
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</dependency>
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<!-- opennlp -->
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<dependency>
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<groupId>org.apache.opennlp</groupId>
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<artifactId>opennlp-tools</artifactId>
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<version>${opennlp.opennlp-tools.version}</version>
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</dependency>
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<!-- pulsar -->
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<dependency>
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<groupId>org.apache.pulsar</groupId>
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<artifactId>pulsar-client</artifactId>
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<version>${pulsar-client.version}</version>
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<scope>compile</scope>
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</dependency>
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<!-- zookeeper -->
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<dependency>
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<groupId>org.apache.zookeeper</groupId>
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<artifactId>zookeeper</artifactId>
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<version>${zookeeper.version}</version>
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</dependency>
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<!-- curator -->
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<dependency>
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<groupId>org.apache.curator</groupId>
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<artifactId>curator-x-async</artifactId>
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<version>${curator.version}</version>
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<exclusions>
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<exclusion>
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<groupId>org.apache.zookeeper</groupId>
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<artifactId>zookeeper</artifactId>
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</exclusion>
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</exclusions>
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</dependency>
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<dependency>
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<groupId>org.apache.curator</groupId>
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<artifactId>curator-recipes</artifactId>
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<version>${curator.version}</version>
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</dependency>
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<dependency>
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<groupId>org.apache.zookeeper</groupId>
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<artifactId>zookeeper</artifactId>
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<version>${zookeeper.version}</version>
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</dependency>
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<dependency>
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<groupId>com.fasterxml.jackson.core</groupId>
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<artifactId>jackson-databind</artifactId>
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<version>${jackson.version}</version>
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</dependency>
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<dependency>
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<groupId>com.jayway.awaitility</groupId>
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<artifactId>awaitility</artifactId>
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<version>${avaitility.version}</version>
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<scope>test</scope>
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</dependency>
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<!-- geode -->
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<dependency>
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<groupId>org.apache.geode</groupId>
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<artifactId>geode-core</artifactId>
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<version>${geode.core}</version>
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</dependency>
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<!-- solr -->
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<dependency>
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<groupId>org.apache.solr</groupId>
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<artifactId>solr-solrj</artifactId>
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<version>${solr.solr-solrj.version}</version>
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</dependency>
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<!-- common -->
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<dependency>
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<groupId>org.assertj</groupId>
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<artifactId>assertj-core</artifactId>
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<version>${assertj.version}</version>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<!-- avro -->
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<plugin>
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<groupId>org.apache.avro</groupId>
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<artifactId>avro-maven-plugin</artifactId>
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<version>${avro.version}</version>
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<executions>
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<execution>
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<id>schemas</id>
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<phase>generate-sources</phase>
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<goals>
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<goal>schema</goal>
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<goal>protocol</goal>
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<goal>idl-protocol</goal>
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</goals>
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<configuration>
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<sourceDirectory>${project.basedir}/src/main/resources/</sourceDirectory>
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<outputDirectory>${project.basedir}/src/main/java/</outputDirectory>
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</configuration>
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</execution>
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</executions>
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</plugin>
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<!-- meecrowave -->
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<plugin>
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<groupId>org.apache.meecrowave</groupId>
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<artifactId>meecrowave-maven-plugin</artifactId>
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<version>${meecrowave-maven-plugin.version}</version>
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</plugin>
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</plugins>
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</build>
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<properties>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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<avro.version>1.8.2</avro.version>
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<slf4j.version>1.7.25</slf4j.version>
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<beam.version>2.19.0</beam.version>
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<assertj.version>3.9.0</assertj.version>
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<bval.version>1.1.2</bval.version>
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<javax.validation.validation-api.version>1.1.0.Final</javax.validation.validation-api.version>
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<meecrowave-junit.version>1.2.0</meecrowave-junit.version>
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<okhttp.version>3.10.0</okhttp.version>
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<meecrowave-jpa.version>1.2.1</meecrowave-jpa.version>
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<meecrowave-core.version>1.2.1</meecrowave-core.version>
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<meecrowave-maven-plugin.version>1.2.1</meecrowave-maven-plugin.version>
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<opennlp.opennlp-tools.version>1.8.4</opennlp.opennlp-tools.version>
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<pulsar-client.version>2.1.1-incubating</pulsar-client.version>
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<zookeeper.version>3.4.11</zookeeper.version>
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<curator.version>4.0.1</curator.version>
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<avaitility.version>1.7.0</avaitility.version>
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<geode.core>1.6.0</geode.core>
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<solr.solr-solrj.version>6.4.0</solr.solr-solrj.version>
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</properties>
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</project>
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@@ -0,0 +1,71 @@
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package com.baeldung.apache.beam.intro;
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import java.util.Arrays;
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import org.apache.beam.sdk.Pipeline;
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import org.apache.beam.sdk.io.TextIO;
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import org.apache.beam.sdk.options.PipelineOptions;
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import org.apache.beam.sdk.options.PipelineOptionsFactory;
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import org.apache.beam.sdk.transforms.Count;
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import org.apache.beam.sdk.transforms.Filter;
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import org.apache.beam.sdk.transforms.FlatMapElements;
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import org.apache.beam.sdk.transforms.MapElements;
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import org.apache.beam.sdk.values.KV;
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import org.apache.beam.sdk.values.PCollection;
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import org.apache.beam.sdk.values.TypeDescriptors;
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public class WordCount {
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public static boolean wordCount(String inputFilePath, String outputFilePath) {
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// We use default options
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PipelineOptions options = PipelineOptionsFactory.create();
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// to create the pipeline
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Pipeline p = Pipeline.create(options);
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// Here is our workflow graph
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PCollection<KV<String, Long>> wordCount = p
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.apply("(1) Read all lines", TextIO.read().from(inputFilePath))
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.apply("(2) Flatmap to a list of words", FlatMapElements.into(TypeDescriptors.strings())
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.via(line -> Arrays.asList(line.split("\\s"))))
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.apply("(3) Lowercase all", MapElements.into(TypeDescriptors.strings())
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.via(word -> word.toLowerCase()))
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.apply("(4) Trim punctuations", MapElements.into(TypeDescriptors.strings())
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.via(word -> trim(word)))
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.apply("(5) Filter stopwords", Filter.by(word -> !isStopWord(word)))
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.apply("(6) Count words", Count.perElement());
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// We convert the PCollection to String so that we can write it to file
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wordCount.apply(MapElements.into(TypeDescriptors.strings())
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.via(count -> count.getKey() + " --> " + count.getValue()))
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.apply(TextIO.write().to(outputFilePath));
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// Finally we must run the pipeline, otherwise it's only a definition
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p.run().waitUntilFinish();
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return true;
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}
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public static boolean isStopWord(String word) {
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String[] stopwords = {"am", "are", "is", "i", "you", "me",
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"he", "she", "they", "them", "was",
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"were", "from", "in", "of", "to", "be",
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"him", "her", "us", "and", "or"};
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for (String stopword : stopwords) {
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if (stopword.compareTo(word) == 0) {
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return true;
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}
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}
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return false;
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}
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public static String trim(String word) {
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return word.replace("(","")
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.replace(")", "")
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.replace(",", "")
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.replace(".", "")
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.replace("\"", "")
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.replace("'", "")
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.replace(":", "")
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.replace(";", "")
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.replace("-", "")
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.replace("?", "")
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.replace("!", "");
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}
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}
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@@ -0,0 +1,31 @@
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package com.baeldung.apache.curator.modeled;
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public class HostConfig {
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private String hostname;
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private int port;
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public HostConfig() {
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}
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public HostConfig(String hostname, int port) {
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this.hostname = hostname;
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this.port = port;
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}
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public int getPort() {
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return port;
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}
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public void setPort(int port) {
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this.port = port;
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}
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public String getHostname() {
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return hostname;
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}
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public void setHostname(String hostname) {
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this.hostname = hostname;
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}
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}
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@@ -0,0 +1,13 @@
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/**
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* Autogenerated by Avro
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*
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* DO NOT EDIT DIRECTLY
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*/
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package com.baeldung.avro.model;
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@SuppressWarnings("all")
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@org.apache.avro.specific.AvroGenerated
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public enum Active {
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YES, NO ;
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public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"enum\",\"name\":\"Active\",\"namespace\":\"com.baeldung.avro.model\",\"symbols\":[\"YES\",\"NO\"]}");
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public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
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}
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@@ -0,0 +1,14 @@
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package com.baeldung.avro.util;
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import org.apache.avro.Schema;
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import org.apache.avro.compiler.specific.SpecificCompiler;
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import java.io.File;
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import java.io.IOException;
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public class AvroClassGenerator {
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public void generateAvroClasses() throws IOException {
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SpecificCompiler compiler = new SpecificCompiler(new Schema.Parser().parse(new File("src/main/resources/avroHttpRequest-schema.avsc")));
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compiler.compileToDestination(new File("src/main/resources"), new File("src/main/java"));
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}
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}
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@@ -0,0 +1,24 @@
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package com.baeldung.avro.util;
|
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import org.apache.avro.Schema;
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import org.apache.avro.SchemaBuilder;
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public class AvroSchemaBuilder {
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public Schema createAvroHttpRequestSchema(){
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Schema clientIdentifier = SchemaBuilder.record("ClientIdentifier").namespace("com.baeldung.avro.model")
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.fields().requiredString("hostName").requiredString("ipAddress").endRecord();
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Schema avroHttpRequest = SchemaBuilder.record("AvroHttpRequest").namespace("com.baeldung.avro.model").fields()
|
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.requiredLong("requestTime")
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.name("clientIdentifier").type(clientIdentifier).noDefault()
|
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.name("employeeNames").type().array().items().stringType().arrayDefault(null)
|
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.name("active").type().enumeration("Active").symbols("YES", "NO").noDefault()
|
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.endRecord();
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return avroHttpRequest;
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}
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}
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|
||||
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@@ -0,0 +1,13 @@
|
||||
/**
|
||||
* Autogenerated by Avro
|
||||
*
|
||||
* DO NOT EDIT DIRECTLY
|
||||
*/
|
||||
package com.baeldung.avro.util.model;
|
||||
@SuppressWarnings("all")
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@org.apache.avro.specific.AvroGenerated
|
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public enum Active {
|
||||
YES, NO ;
|
||||
public static final org.apache.avro.Schema SCHEMA$ = new org.apache.avro.Schema.Parser().parse("{\"type\":\"enum\",\"name\":\"Active\",\"namespace\":\"com.baeldung.avro.model\",\"symbols\":[\"YES\",\"NO\"]}");
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||||
public static org.apache.avro.Schema getClassSchema() { return SCHEMA$; }
|
||||
}
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+41
@@ -0,0 +1,41 @@
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||||
package com.baeldung.avro.util.serealization;
|
||||
|
||||
import com.baeldung.avro.util.model.AvroHttpRequest;
|
||||
import org.apache.avro.io.DatumReader;
|
||||
import org.apache.avro.io.Decoder;
|
||||
import org.apache.avro.io.DecoderFactory;
|
||||
import org.apache.avro.specific.SpecificDatumReader;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
public class AvroDeSerealizer {
|
||||
|
||||
private static Logger logger = LoggerFactory.getLogger(AvroDeSerealizer.class);
|
||||
|
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public AvroHttpRequest deSerealizeAvroHttpRequestJSON(byte[] data) {
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DatumReader<AvroHttpRequest> reader = new SpecificDatumReader<>(AvroHttpRequest.class);
|
||||
Decoder decoder = null;
|
||||
try {
|
||||
decoder = DecoderFactory.get()
|
||||
.jsonDecoder(AvroHttpRequest.getClassSchema(), new String(data));
|
||||
return reader.read(null, decoder);
|
||||
} catch (IOException e) {
|
||||
logger.error("Deserialization error" + e.getMessage());
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
public AvroHttpRequest deSerealizeAvroHttpRequestBinary(byte[] data) {
|
||||
DatumReader<AvroHttpRequest> employeeReader = new SpecificDatumReader<>(AvroHttpRequest.class);
|
||||
Decoder decoder = DecoderFactory.get()
|
||||
.binaryDecoder(data, null);
|
||||
try {
|
||||
return employeeReader.read(null, decoder);
|
||||
} catch (IOException e) {
|
||||
logger.error("Deserialization error" + e.getMessage());
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
||||
+50
@@ -0,0 +1,50 @@
|
||||
package com.baeldung.avro.util.serealization;
|
||||
|
||||
import com.baeldung.avro.util.model.AvroHttpRequest;
|
||||
import org.apache.avro.io.*;
|
||||
import org.apache.avro.specific.SpecificDatumWriter;
|
||||
import org.slf4j.Logger;
|
||||
import org.slf4j.LoggerFactory;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.IOException;
|
||||
|
||||
public class AvroSerealizer {
|
||||
|
||||
private static final Logger logger = LoggerFactory.getLogger(AvroSerealizer.class);
|
||||
|
||||
public byte[] serealizeAvroHttpRequestJSON(AvroHttpRequest request) {
|
||||
DatumWriter<AvroHttpRequest> writer = new SpecificDatumWriter<>(AvroHttpRequest.class);
|
||||
byte[] data = new byte[0];
|
||||
ByteArrayOutputStream stream = new ByteArrayOutputStream();
|
||||
Encoder jsonEncoder = null;
|
||||
try {
|
||||
jsonEncoder = EncoderFactory.get()
|
||||
.jsonEncoder(AvroHttpRequest.getClassSchema(), stream);
|
||||
writer.write(request, jsonEncoder);
|
||||
jsonEncoder.flush();
|
||||
data = stream.toByteArray();
|
||||
} catch (IOException e) {
|
||||
logger.error("Serialization error " + e.getMessage());
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
public byte[] serealizeAvroHttpRequestBinary(AvroHttpRequest request) {
|
||||
DatumWriter<AvroHttpRequest> writer = new SpecificDatumWriter<>(AvroHttpRequest.class);
|
||||
byte[] data = new byte[0];
|
||||
ByteArrayOutputStream stream = new ByteArrayOutputStream();
|
||||
Encoder jsonEncoder = EncoderFactory.get()
|
||||
.binaryEncoder(stream, null);
|
||||
try {
|
||||
writer.write(request, jsonEncoder);
|
||||
jsonEncoder.flush();
|
||||
data = stream.toByteArray();
|
||||
} catch (IOException e) {
|
||||
logger.error("Serialization error " + e.getMessage());
|
||||
}
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,120 @@
|
||||
package com.baeldung.bval.model;
|
||||
|
||||
import java.io.File;
|
||||
|
||||
import javax.validation.constraints.Min;
|
||||
import javax.validation.constraints.NotNull;
|
||||
import javax.validation.constraints.Size;
|
||||
|
||||
import org.apache.bval.constraints.Email;
|
||||
import org.apache.bval.constraints.NotEmpty;
|
||||
import org.apache.bval.extras.constraints.checkdigit.IBAN;
|
||||
import org.apache.bval.extras.constraints.creditcard.Visa;
|
||||
import org.apache.bval.extras.constraints.file.Directory;
|
||||
import org.apache.bval.extras.constraints.net.InetAddress;
|
||||
|
||||
import com.baeldung.bval.validation.Password;
|
||||
|
||||
public class User {
|
||||
@NotNull
|
||||
@Email
|
||||
private String email;
|
||||
|
||||
@NotEmpty
|
||||
@Password
|
||||
private String password;
|
||||
|
||||
@Size(min = 1, max = 20)
|
||||
private String name;
|
||||
|
||||
@Min(18)
|
||||
private int age;
|
||||
|
||||
@Visa
|
||||
private String cardNumber = "";
|
||||
|
||||
@IBAN
|
||||
private String iban = "";
|
||||
|
||||
@InetAddress
|
||||
private String website = "";
|
||||
|
||||
@Directory
|
||||
private File mainDirectory=new File(".");
|
||||
|
||||
public User() {
|
||||
}
|
||||
|
||||
public User(String email, String password, String name, int age) {
|
||||
super();
|
||||
this.email = email;
|
||||
this.password = password;
|
||||
this.name = name;
|
||||
this.age = age;
|
||||
}
|
||||
|
||||
public String getEmail() {
|
||||
return email;
|
||||
}
|
||||
|
||||
public void setEmail(String email) {
|
||||
this.email = email;
|
||||
}
|
||||
|
||||
public String getPassword() {
|
||||
return password;
|
||||
}
|
||||
|
||||
public void setPassword(String password) {
|
||||
this.password = password;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public int getAge() {
|
||||
return age;
|
||||
}
|
||||
|
||||
public void setAge(int age) {
|
||||
this.age = age;
|
||||
}
|
||||
|
||||
public String getCardNumber() {
|
||||
return cardNumber;
|
||||
}
|
||||
|
||||
public void setCardNumber(String cardNumber) {
|
||||
this.cardNumber = cardNumber;
|
||||
}
|
||||
|
||||
public String getIban() {
|
||||
return iban;
|
||||
}
|
||||
|
||||
public void setIban(String iban) {
|
||||
this.iban = iban;
|
||||
}
|
||||
|
||||
public String getWebsite() {
|
||||
return website;
|
||||
}
|
||||
|
||||
public void setWebsite(String website) {
|
||||
this.website = website;
|
||||
}
|
||||
|
||||
public File getMainDirectory() {
|
||||
return mainDirectory;
|
||||
}
|
||||
|
||||
public void setMainDirectory(File mainDirectory) {
|
||||
this.mainDirectory = mainDirectory;
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,25 @@
|
||||
package com.baeldung.bval.validation;
|
||||
|
||||
import java.lang.annotation.Retention;
|
||||
import java.lang.annotation.RetentionPolicy;
|
||||
import java.lang.annotation.Target;
|
||||
|
||||
import javax.validation.Constraint;
|
||||
import javax.validation.Payload;
|
||||
|
||||
import static java.lang.annotation.ElementType.*;
|
||||
|
||||
@Constraint(validatedBy = { PasswordValidator.class })
|
||||
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
|
||||
@Retention(RetentionPolicy.RUNTIME)
|
||||
public @interface Password {
|
||||
String message() default "Invalid password";
|
||||
|
||||
Class<?>[] groups() default {};
|
||||
|
||||
Class<? extends Payload>[] payload() default {};
|
||||
|
||||
int length() default 6;
|
||||
|
||||
int nonAlpha() default 1;
|
||||
}
|
||||
@@ -0,0 +1,35 @@
|
||||
package com.baeldung.bval.validation;
|
||||
|
||||
import javax.validation.ConstraintValidator;
|
||||
import javax.validation.ConstraintValidatorContext;
|
||||
|
||||
public class PasswordValidator implements ConstraintValidator<Password, String> {
|
||||
|
||||
private int length;
|
||||
private int nonAlpha;
|
||||
|
||||
@Override
|
||||
public void initialize(Password password) {
|
||||
this.length = password.length();
|
||||
this.nonAlpha = password.nonAlpha();
|
||||
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isValid(String value, ConstraintValidatorContext context) {
|
||||
if (value.length() < length) {
|
||||
return false;
|
||||
}
|
||||
int nonAlphaNr = 0;
|
||||
for (int i = 0; i < value.length(); i++) {
|
||||
if (!Character.isLetterOrDigit(value.charAt(i))) {
|
||||
nonAlphaNr++;
|
||||
}
|
||||
}
|
||||
if (nonAlphaNr < nonAlpha) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,78 @@
|
||||
package com.baeldung.geode;
|
||||
|
||||
import java.io.Serializable;
|
||||
import java.util.Objects;
|
||||
|
||||
public class Customer implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = -7482516011038799900L;
|
||||
|
||||
private CustomerKey key;
|
||||
private String firstName;
|
||||
private String lastName;
|
||||
private Integer age;
|
||||
|
||||
public Customer() {
|
||||
}
|
||||
|
||||
public Customer(String firstName, String lastName, int age) {
|
||||
this.firstName = firstName;
|
||||
this.lastName = lastName;
|
||||
this.age = age;
|
||||
}
|
||||
|
||||
public Customer(CustomerKey key, String firstName, String lastName, int age) {
|
||||
this(firstName, lastName, age);
|
||||
this.key = key;
|
||||
}
|
||||
|
||||
// setters and getters
|
||||
|
||||
public static long getSerialVersionUID() {
|
||||
return serialVersionUID;
|
||||
}
|
||||
|
||||
public String getFirstName() {
|
||||
return firstName;
|
||||
}
|
||||
|
||||
public void setFirstName(String firstName) {
|
||||
this.firstName = firstName;
|
||||
}
|
||||
|
||||
public String getLastName() {
|
||||
return lastName;
|
||||
}
|
||||
|
||||
public void setLastName(String lastName) {
|
||||
this.lastName = lastName;
|
||||
}
|
||||
|
||||
public Integer getAge() {
|
||||
return age;
|
||||
}
|
||||
|
||||
public void setAge(Integer age) {
|
||||
this.age = age;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return "Customer{" + "firstName='" + firstName + '\'' + ", lastName='" + lastName + '\'' + ", age=" + age + '}';
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object o) {
|
||||
if (this == o)
|
||||
return true;
|
||||
if (o == null || getClass() != o.getClass())
|
||||
return false;
|
||||
Customer customer = (Customer) o;
|
||||
return Objects.equals(firstName, customer.firstName) && Objects.equals(lastName, customer.lastName) && Objects.equals(age, customer.age);
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
return Objects.hash(firstName, lastName, age);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,57 @@
|
||||
package com.baeldung.geode;
|
||||
|
||||
import java.io.Serializable;
|
||||
|
||||
public class CustomerKey implements Serializable {
|
||||
|
||||
private static final long serialVersionUID = -3529253035303792458L;
|
||||
private long id;
|
||||
private String country;
|
||||
|
||||
public CustomerKey(long id) {
|
||||
this.id = id;
|
||||
this.country = "USA";
|
||||
}
|
||||
|
||||
public CustomerKey(long id, String country) {
|
||||
this.id = id;
|
||||
this.country = country;
|
||||
}
|
||||
|
||||
public long getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
public void setId(long id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getCountry() {
|
||||
return country;
|
||||
}
|
||||
|
||||
public void setCountry(String country) {
|
||||
this.country = country;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean equals(Object o) {
|
||||
if (this == o)
|
||||
return true;
|
||||
if (o == null || getClass() != o.getClass())
|
||||
return false;
|
||||
|
||||
CustomerKey that = (CustomerKey) o;
|
||||
|
||||
if (id != that.id)
|
||||
return false;
|
||||
return country != null ? country.equals(that.country) : that.country == null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public int hashCode() {
|
||||
int result = (int) (id ^ (id >>> 32));
|
||||
result = 31 * result + (country != null ? country.hashCode() : 0);
|
||||
return result;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,34 @@
|
||||
package com.baeldung.geode.functions;
|
||||
|
||||
import com.baeldung.geode.Customer;
|
||||
import com.baeldung.geode.CustomerKey;
|
||||
import org.apache.geode.cache.Region;
|
||||
import org.apache.geode.cache.execute.Function;
|
||||
import org.apache.geode.cache.execute.FunctionContext;
|
||||
import org.apache.geode.cache.execute.RegionFunctionContext;
|
||||
|
||||
import java.util.Map;
|
||||
|
||||
public class UpperCaseNames implements Function<Boolean> {
|
||||
private static final long serialVersionUID = -8946294032165677602L;
|
||||
|
||||
@Override
|
||||
public void execute(FunctionContext<Boolean> context) {
|
||||
RegionFunctionContext regionContext = (RegionFunctionContext) context;
|
||||
Region<CustomerKey, Customer> region = regionContext.getDataSet();
|
||||
|
||||
for (Map.Entry<CustomerKey, Customer> entry : region.entrySet()) {
|
||||
Customer customer = entry.getValue();
|
||||
customer.setFirstName(customer.getFirstName()
|
||||
.toUpperCase());
|
||||
}
|
||||
|
||||
context.getResultSender()
|
||||
.lastResult(true);
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getId() {
|
||||
return getClass().getName();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,30 @@
|
||||
package com.baeldung.meecrowave;
|
||||
|
||||
public class Article {
|
||||
private String name;
|
||||
private String author;
|
||||
|
||||
public Article() {
|
||||
}
|
||||
|
||||
public Article(String name, String author) {
|
||||
this.author = author;
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public String getAuthor() {
|
||||
return author;
|
||||
}
|
||||
|
||||
public void setAuthor(String author) {
|
||||
this.author = author;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,32 @@
|
||||
package com.baeldung.meecrowave;
|
||||
|
||||
import javax.enterprise.context.RequestScoped;
|
||||
import javax.inject.Inject;
|
||||
import javax.ws.rs.GET;
|
||||
import javax.ws.rs.POST;
|
||||
import javax.ws.rs.Path;
|
||||
import javax.ws.rs.core.Response;
|
||||
import javax.ws.rs.core.Response.Status;
|
||||
|
||||
@RequestScoped
|
||||
@Path("article")
|
||||
public class ArticleEndpoints {
|
||||
|
||||
@Inject
|
||||
ArticleService articleService;
|
||||
|
||||
@GET
|
||||
public Response getArticle() {
|
||||
return Response.ok()
|
||||
.entity(new Article("name", "author"))
|
||||
.build();
|
||||
|
||||
}
|
||||
|
||||
@POST
|
||||
public Response createArticle(Article article) {
|
||||
return Response.status(Status.CREATED)
|
||||
.entity(articleService.createArticle(article))
|
||||
.build();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,10 @@
|
||||
package com.baeldung.meecrowave;
|
||||
|
||||
import javax.enterprise.context.ApplicationScoped;
|
||||
|
||||
@ApplicationScoped
|
||||
public class ArticleService {
|
||||
public Article createArticle(Article article) {
|
||||
return article;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,16 @@
|
||||
package com.baeldung.meecrowave;
|
||||
|
||||
import org.apache.meecrowave.Meecrowave;
|
||||
|
||||
public class Server {
|
||||
public static void main(String[] args) {
|
||||
final Meecrowave.Builder builder = new Meecrowave.Builder();
|
||||
builder.setScanningPackageIncludes("com.baeldung.meecrowave");
|
||||
builder.setJaxrsMapping("/api/*");
|
||||
builder.setJsonpPrettify(true);
|
||||
|
||||
try (Meecrowave meecrowave = new Meecrowave(builder)) {
|
||||
meecrowave.bake().await();
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,48 @@
|
||||
package com.baeldung.pulsar;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.pulsar.client.api.Consumer;
|
||||
import org.apache.pulsar.client.api.Message;
|
||||
import org.apache.pulsar.client.api.PulsarClient;
|
||||
import org.apache.pulsar.client.api.SubscriptionType;
|
||||
|
||||
public class ConsumerUnitTest {
|
||||
|
||||
private static final String SERVICE_URL = "pulsar://localhost:6650";
|
||||
private static final String TOPIC_NAME = "test-topic";
|
||||
private static final String SUBSCRIPTION_NAME = "test-subscription";
|
||||
|
||||
public static void main(String[] args) throws IOException {
|
||||
// Create a Pulsar client instance. A single instance can be shared across many
|
||||
// producers and consumer within the same application
|
||||
PulsarClient client = PulsarClient.builder()
|
||||
.serviceUrl(SERVICE_URL)
|
||||
.build();
|
||||
|
||||
//Configure consumer specific settings.
|
||||
Consumer<byte[]> consumer = client.newConsumer()
|
||||
.topic(TOPIC_NAME)
|
||||
// Allow multiple consumers to attach to the same subscription
|
||||
// and get messages dispatched as a queue
|
||||
.subscriptionType(SubscriptionType.Shared)
|
||||
.subscriptionName(SUBSCRIPTION_NAME)
|
||||
.subscribe();
|
||||
|
||||
|
||||
// Once the consumer is created, it can be used for the entire application lifecycle
|
||||
System.out.println("Created consumer for the topic "+ TOPIC_NAME);
|
||||
|
||||
do {
|
||||
// Wait until a message is available
|
||||
Message<byte[]> msg = consumer.receive();
|
||||
|
||||
// Extract the message as a printable string and then log
|
||||
String content = new String(msg.getData());
|
||||
System.out.println("Received message '"+content+"' with ID "+msg.getMessageId());
|
||||
|
||||
// Acknowledge processing of the message so that it can be deleted
|
||||
consumer.acknowledge(msg);
|
||||
} while (true);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,58 @@
|
||||
package com.baeldung.pulsar;
|
||||
|
||||
import org.apache.pulsar.client.api.CompressionType;
|
||||
import org.apache.pulsar.client.api.Message;
|
||||
import org.apache.pulsar.client.api.MessageBuilder;
|
||||
import org.apache.pulsar.client.api.MessageId;
|
||||
import org.apache.pulsar.client.api.Producer;
|
||||
import org.apache.pulsar.client.api.PulsarClient;
|
||||
import org.apache.pulsar.client.api.PulsarClientException;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
public class ProducerUnitTest {
|
||||
|
||||
private static final String SERVICE_URL = "pulsar://localhost:6650";
|
||||
private static final String TOPIC_NAME = "test-topic";
|
||||
|
||||
public static void main(String[] args) throws IOException {
|
||||
// Create a Pulsar client instance. A single instance can be shared across many
|
||||
// producers and consumer within the same application
|
||||
PulsarClient client = PulsarClient.builder()
|
||||
.serviceUrl(SERVICE_URL)
|
||||
.build();
|
||||
|
||||
// Configure producer specific settings
|
||||
Producer<byte[]> producer = client.newProducer()
|
||||
// Set the topic
|
||||
.topic(TOPIC_NAME)
|
||||
// Enable compression
|
||||
.compressionType(CompressionType.LZ4)
|
||||
.create();
|
||||
|
||||
// Once the producer is created, it can be used for the entire application life-cycle
|
||||
System.out.println("Created producer for the topic "+TOPIC_NAME);
|
||||
|
||||
// Send 5 test messages
|
||||
IntStream.range(1, 5).forEach(i -> {
|
||||
String content = String.format("hi-pulsar-%d", i);
|
||||
|
||||
// Build a message object
|
||||
Message<byte[]> msg = MessageBuilder.create()
|
||||
.setContent(content.getBytes())
|
||||
.build();
|
||||
|
||||
// Send each message and log message content and ID when successfully received
|
||||
try {
|
||||
MessageId msgId = producer.send(msg);
|
||||
|
||||
System.out.println("Published message '"+content+"' with the ID "+msgId);
|
||||
} catch (PulsarClientException e) {
|
||||
System.out.println(e.getMessage());
|
||||
}
|
||||
});
|
||||
|
||||
client.close();
|
||||
}
|
||||
}
|
||||
+59
@@ -0,0 +1,59 @@
|
||||
package com.baeldung.pulsar.subscriptions;
|
||||
|
||||
import org.apache.pulsar.client.api.ConsumerBuilder;
|
||||
import org.apache.pulsar.client.api.Message;
|
||||
import org.apache.pulsar.client.api.MessageBuilder;
|
||||
import org.apache.pulsar.client.api.Producer;
|
||||
import org.apache.pulsar.client.api.PulsarClient;
|
||||
import org.apache.pulsar.client.api.PulsarClientException;
|
||||
import org.apache.pulsar.client.api.SubscriptionType;
|
||||
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
public class ExclusiveSubscriptionUnitTest {
|
||||
private static final String SERVICE_URL = "pulsar://localhost:6650";
|
||||
private static final String TOPIC_NAME = "test-topic";
|
||||
private static final String SUBSCRIPTION_NAME = "test-subscription";
|
||||
private static final SubscriptionType SUBSCRIPTION_TYPE = SubscriptionType.Exclusive;
|
||||
|
||||
public static void main(String[] args) throws PulsarClientException {
|
||||
PulsarClient client = PulsarClient.builder()
|
||||
.serviceUrl(SERVICE_URL)
|
||||
.build();
|
||||
|
||||
Producer<byte[]> producer = client.newProducer()
|
||||
.topic(TOPIC_NAME)
|
||||
.create();
|
||||
|
||||
ConsumerBuilder<byte[]> consumer1 = client.newConsumer()
|
||||
.topic(TOPIC_NAME)
|
||||
.subscriptionName(SUBSCRIPTION_NAME)
|
||||
.subscriptionType(SUBSCRIPTION_TYPE);
|
||||
|
||||
ConsumerBuilder<byte[]> consumer2 = client.newConsumer()
|
||||
.topic(TOPIC_NAME)
|
||||
.subscriptionName(SUBSCRIPTION_NAME)
|
||||
.subscriptionType(SUBSCRIPTION_TYPE);
|
||||
|
||||
IntStream.range(0, 999).forEach(i -> {
|
||||
Message<byte[]> msg = MessageBuilder.create()
|
||||
.setContent(String.format("message-%d", i).getBytes())
|
||||
.build();
|
||||
try {
|
||||
producer.send(msg);
|
||||
} catch (PulsarClientException e) {
|
||||
System.out.println(e.getMessage());
|
||||
}
|
||||
});
|
||||
|
||||
// Consumer 1 can subscribe to the topic
|
||||
consumer1.subscribe();
|
||||
|
||||
// Consumer 2 cannot due to the exclusive subscription held by consumer 1
|
||||
consumer2.subscribeAsync()
|
||||
.handle((consumer, exception) -> {
|
||||
System.out.println(exception.getMessage());
|
||||
return null;
|
||||
});
|
||||
}
|
||||
}
|
||||
+76
@@ -0,0 +1,76 @@
|
||||
package com.baeldung.pulsar.subscriptions;
|
||||
|
||||
import org.apache.pulsar.client.api.Consumer;
|
||||
import org.apache.pulsar.client.api.ConsumerBuilder;
|
||||
import org.apache.pulsar.client.api.Message;
|
||||
import org.apache.pulsar.client.api.MessageBuilder;
|
||||
import org.apache.pulsar.client.api.Producer;
|
||||
import org.apache.pulsar.client.api.PulsarClient;
|
||||
import org.apache.pulsar.client.api.PulsarClientException;
|
||||
import org.apache.pulsar.client.api.SubscriptionType;
|
||||
|
||||
import java.util.stream.IntStream;
|
||||
|
||||
public class FailoverSubscriptionUnitTest {
|
||||
private static final String SERVICE_URL = "pulsar://localhost:6650";
|
||||
private static final String TOPIC_NAME = "failover-subscription-test-topic";
|
||||
private static final String SUBSCRIPTION_NAME = "test-subscription";
|
||||
private static final SubscriptionType SUBSCRIPTION_TYPE = SubscriptionType.Failover;
|
||||
private static final int NUM_MSGS = 10;
|
||||
|
||||
public static void main(String[] args) throws PulsarClientException {
|
||||
PulsarClient client = PulsarClient.builder()
|
||||
.serviceUrl(SERVICE_URL)
|
||||
.build();
|
||||
|
||||
Producer<byte[]> producer = client.newProducer()
|
||||
.topic(TOPIC_NAME)
|
||||
.create();
|
||||
|
||||
ConsumerBuilder<byte[]> consumerBuilder = client.newConsumer()
|
||||
.topic(TOPIC_NAME)
|
||||
.subscriptionName(SUBSCRIPTION_NAME)
|
||||
.subscriptionType(SUBSCRIPTION_TYPE);
|
||||
|
||||
Consumer<byte[]> mainConsumer = consumerBuilder
|
||||
.consumerName("consumer-a")
|
||||
.messageListener((consumer, msg) -> {
|
||||
System.out.println("Message received by main consumer");
|
||||
|
||||
try {
|
||||
consumer.acknowledge(msg);
|
||||
} catch (PulsarClientException e) {
|
||||
System.out.println(e.getMessage());
|
||||
}
|
||||
})
|
||||
.subscribe();
|
||||
|
||||
Consumer<byte[]> failoverConsumer = consumerBuilder
|
||||
.consumerName("consumer-b")
|
||||
.messageListener((consumer, msg) -> {
|
||||
System.out.println("Message received by failover consumer");
|
||||
|
||||
try {
|
||||
consumer.acknowledge(msg);
|
||||
} catch (PulsarClientException e) {
|
||||
System.out.println(e.getMessage());
|
||||
}
|
||||
})
|
||||
.subscribe();
|
||||
|
||||
IntStream.range(0, NUM_MSGS).forEach(i -> {
|
||||
Message<byte[]> msg = MessageBuilder.create()
|
||||
.setContent(String.format("message-%d", i).getBytes())
|
||||
.build();
|
||||
try {
|
||||
producer.send(msg);
|
||||
|
||||
Thread.sleep(100);
|
||||
|
||||
if (i > 5) mainConsumer.close();
|
||||
} catch (InterruptedException | PulsarClientException e) {
|
||||
System.out.println(e.getMessage());
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,44 @@
|
||||
package com.baeldung.solrjava;
|
||||
|
||||
import org.apache.solr.client.solrj.beans.Field;
|
||||
|
||||
public class ProductBean {
|
||||
|
||||
String id;
|
||||
String name;
|
||||
String price;
|
||||
|
||||
public ProductBean(String id, String name, String price) {
|
||||
super();
|
||||
this.id = id;
|
||||
this.name = name;
|
||||
this.price = price;
|
||||
}
|
||||
|
||||
public String getId() {
|
||||
return id;
|
||||
}
|
||||
|
||||
@Field("id")
|
||||
protected void setId(String id) {
|
||||
this.id = id;
|
||||
}
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
@Field("name")
|
||||
protected void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public String getPrice() {
|
||||
return price;
|
||||
}
|
||||
|
||||
@Field("price")
|
||||
protected void setPrice(String price) {
|
||||
this.price = price;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,56 @@
|
||||
package com.baeldung.solrjava;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
import org.apache.solr.client.solrj.SolrServerException;
|
||||
import org.apache.solr.client.solrj.impl.HttpSolrClient;
|
||||
import org.apache.solr.client.solrj.impl.XMLResponseParser;
|
||||
import org.apache.solr.common.SolrInputDocument;
|
||||
|
||||
public class SolrJavaIntegration {
|
||||
|
||||
private HttpSolrClient solrClient;
|
||||
|
||||
public SolrJavaIntegration(String clientUrl) {
|
||||
|
||||
solrClient = new HttpSolrClient.Builder(clientUrl).build();
|
||||
solrClient.setParser(new XMLResponseParser());
|
||||
}
|
||||
|
||||
public void addProductBean(ProductBean pBean) throws IOException, SolrServerException {
|
||||
|
||||
solrClient.addBean(pBean);
|
||||
solrClient.commit();
|
||||
}
|
||||
|
||||
public void addSolrDocument(String documentId, String itemName, String itemPrice) throws SolrServerException, IOException {
|
||||
|
||||
SolrInputDocument document = new SolrInputDocument();
|
||||
document.addField("id", documentId);
|
||||
document.addField("name", itemName);
|
||||
document.addField("price", itemPrice);
|
||||
solrClient.add(document);
|
||||
solrClient.commit();
|
||||
}
|
||||
|
||||
public void deleteSolrDocumentById(String documentId) throws SolrServerException, IOException {
|
||||
|
||||
solrClient.deleteById(documentId);
|
||||
solrClient.commit();
|
||||
}
|
||||
|
||||
public void deleteSolrDocumentByQuery(String query) throws SolrServerException, IOException {
|
||||
|
||||
solrClient.deleteByQuery(query);
|
||||
solrClient.commit();
|
||||
}
|
||||
|
||||
protected HttpSolrClient getSolrClient() {
|
||||
return solrClient;
|
||||
}
|
||||
|
||||
protected void setSolrClient(HttpSolrClient solrClient) {
|
||||
this.solrClient = solrClient;
|
||||
}
|
||||
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user