Merge branch 'master' into BAEL-1711-move-code-snippets

libraries-data/src/main/java/com/baeldung/ignite/spring/IgniteApp.java

@@ -0,0 +1,53 @@
+package com.baeldung.ignite.spring;
+
+import com.baeldung.ignite.spring.config.SpringDataConfig;
+import com.baeldung.ignite.spring.dto.EmployeeDTO;
+import com.baeldung.ignite.spring.repository.EmployeeRepository;
+import org.apache.ignite.Ignite;
+import org.apache.ignite.IgniteCache;
+import org.apache.ignite.Ignition;
+import org.apache.ignite.cache.query.QueryCursor;
+import org.apache.ignite.cache.query.SqlFieldsQuery;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+import java.util.List;
+
+/**
+ * Created by Gebruiker on 4/12/2018.
+ */
+public class IgniteApp {
+
+    public static void main (String[] args) {
+        AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext();
+        context.register(SpringDataConfig.class);
+        context.refresh();
+
+        EmployeeRepository repository = context.getBean(EmployeeRepository.class);
+
+        EmployeeDTO employeeDTO = new EmployeeDTO();
+        employeeDTO.setId(1);
+        employeeDTO.setName("John");
+        employeeDTO.setEmployed(true);
+
+        repository.save(employeeDTO.getId(), employeeDTO);
+
+        EmployeeDTO employee = repository.getEmployeeDTOById(employeeDTO.getId());
+        System.out.println(employee);
+    }
+
+    private void getUsingTheCache(Integer employeeId) {
+
+        Ignite ignite = Ignition.ignite();
+
+        IgniteCache<Integer, EmployeeDTO> cache = ignite.cache("baeldungCache");
+
+        EmployeeDTO employeeDTO = cache.get(employeeId);
+
+        System.out.println(employeeDTO);
+
+        SqlFieldsQuery sql = new SqlFieldsQuery(
+                "select * from EmployeeDTO where isEmployed = 'true'");
+
+        QueryCursor<List<?>> cursor = cache.query(sql);
+    }
+}

libraries-data/src/main/java/com/baeldung/ignite/spring/config/SpringDataConfig.java

@@ -0,0 +1,29 @@
+package com.baeldung.ignite.spring.config;
+
+import com.baeldung.ignite.spring.dto.EmployeeDTO;
+import com.baeldung.ignite.spring.repository.EmployeeRepository;
+import org.apache.ignite.Ignite;
+import org.apache.ignite.Ignition;
+import org.apache.ignite.configuration.CacheConfiguration;
+import org.apache.ignite.configuration.IgniteConfiguration;
+import org.apache.ignite.springdata.repository.config.EnableIgniteRepositories;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableIgniteRepositories(basePackageClasses = EmployeeRepository.class)
+@ComponentScan(basePackages = "com.baeldung.ignite.spring.repository")
+public class SpringDataConfig {
+
+    @Bean
+    public Ignite igniteInstance() {
+        IgniteConfiguration config = new IgniteConfiguration();
+        
+        CacheConfiguration cache = new CacheConfiguration("baeldungCache");
+        
+        cache.setIndexedTypes(Integer.class, EmployeeDTO.class);
+        config.setCacheConfiguration(cache);
+        return Ignition.start(config);
+    }
+}

libraries-data/src/main/java/com/baeldung/ignite/spring/dto/EmployeeDTO.java

@@ -0,0 +1,48 @@
+package com.baeldung.ignite.spring.dto;
+
+import org.apache.ignite.cache.query.annotations.QuerySqlField;
+
+import java.io.Serializable;
+
+public class EmployeeDTO implements Serializable {
+
+    @QuerySqlField(index = true)
+    private Integer id;
+    @QuerySqlField(index = true)
+    private String name;
+    @QuerySqlField(index = true)
+    private boolean isEmployed;
+
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public boolean isEmployed() {
+        return isEmployed;
+    }
+
+    public void setEmployed(boolean employed) {
+        isEmployed = employed;
+    }
+
+    @Override
+    public String toString() {
+        return "EmployeeDTO{" +
+                "id=" + id +
+                ", name='" + name + '\'' +
+                ", isEmployed=" + isEmployed +
+                '}';
+    }
+}

libraries-data/src/main/java/com/baeldung/ignite/spring/repository/EmployeeRepository.java

@@ -0,0 +1,13 @@
+package com.baeldung.ignite.spring.repository;
+
+import com.baeldung.ignite.spring.dto.EmployeeDTO;
+import org.apache.ignite.springdata.repository.IgniteRepository;
+import org.apache.ignite.springdata.repository.config.RepositoryConfig;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RepositoryConfig(cacheName = "baeldungCache")
+public interface EmployeeRepository extends IgniteRepository<EmployeeDTO, Integer> {
+
+    EmployeeDTO getEmployeeDTOById(Integer id);
+}

libraries-data/src/main/java/com/baeldung/ignite/stream/IgniteStream.java

@@ -14,6 +14,8 @@ import java.nio.file.Paths;
 
 public class IgniteStream {
 
+    private static final Gson GSON = new Gson();
+
     public static void main(String[] args) throws Exception {
 
         Ignition.setClientMode(true);
@@ -29,16 +31,16 @@ public class IgniteStream {
             employee.setEmployed(true);
             e.setValue(employee);
 
-            return null;
+            return employee;
         }));
 
         Path path = Paths.get(IgniteStream.class.getResource("employees.txt").toURI());
 
         Files.lines(path)
-                .forEach(line -> {
-                    Employee employee = new Gson().fromJson(line, Employee.class);
-                    streamer.addData(employee.getId(), employee);
-                });
-
-    }
+          .forEach(line -> {
+              Employee employee = GSON.fromJson(line, Employee.class);
+              streamer.addData(employee.getId(), employee);
+          });
+    }    
+    
 }