group and cleanup (#3027)

* move security content from spring-security-rest-full * swagger update * move query language to new module * rename spring-security-rest-full to spring-rest-full * group persistence modules * group testing modules * try fix conflict * cleanup * group and cleanup
2017-11-13 17:45:26 +02:00
parent 2a85b9c96e
commit 2e5531edd0
198 changed files with 20 additions and 15 deletions
@@ -0,0 +1,27 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.util.concurrent.AtomicLongMap;
+
+public class AtomicLongMapTutorials {
+
+    private AtomicLongMap<String> atomicLongMap;
+
+    public AtomicLongMapTutorials() {
+        atomicLongMap = AtomicLongMap.create();
+    }
+
+    public void addKeys() {
+        atomicLongMap.addAndGet("apple", 250);
+        atomicLongMap.addAndGet("bat", 350);
+        atomicLongMap.addAndGet("cat", 450);
+        atomicLongMap.addAndGet("dog", 550);
+    }
+
+    public static void main(String[] args) {
+        AtomicLongMapTutorials atomicLongMapTutorials = new AtomicLongMapTutorials();
+        atomicLongMapTutorials.addKeys();
+
+        System.out.println(atomicLongMapTutorials.atomicLongMap.get("2"));
+    }
+
+}
@@ -0,0 +1,25 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.Comparators;
+
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+
+public class ComparatorsExamples {
+
+    public static void main(String[] args) {
+
+        List<Integer> integers = Arrays.asList(1, 2, 3, 4, 4, 6, 7, 8, 9, 10);
+        boolean isInAscendingOrder = Comparators.isInOrder(integers, new AscedingOrderComparator());
+        System.out.println(isInAscendingOrder);
+
+    }
+
+    private static class AscedingOrderComparator implements Comparator<Integer> {
+        @Override
+        public int compare(Integer o1, Integer o2) {
+            return o1.compareTo(o2);
+        }
+    }
+}
@@ -0,0 +1,11 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.Streams;
+
+import java.util.stream.Stream;
+
+public class ConcatStreams {
+    public static Stream concatStreams(Stream stream1, Stream stream2, Stream stream3) {
+        return Streams.concat(stream1, stream2, stream3);
+    }
+}
@@ -0,0 +1,15 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.Interner;
+import com.google.common.collect.Interners;
+
+public class InternerBuilderExample {
+
+    public static void main(String[] args) {
+        Interner<Integer> interners = Interners.<Integer> newBuilder()
+          .concurrencyLevel(2)
+          .strong().<Integer> build();
+
+    }
+
+}
@@ -0,0 +1,27 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.util.concurrent.Monitor;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MonitorExample {
+    private List<String> students = new ArrayList<String>();
+    private static final int MAX_SIZE = 100;
+
+    private Monitor monitor = new Monitor();
+
+    public void addToCourse(String item) throws InterruptedException {
+        Monitor.Guard studentsBelowCapacity = monitor.newGuard(this::isStudentsCapacityUptoLimit);
+        monitor.enterWhen(studentsBelowCapacity);
+        try {
+            students.add(item);
+        } finally {
+            monitor.leave();
+        }
+    }
+
+    public Boolean isStudentsCapacityUptoLimit() {
+        return students.size() > MAX_SIZE;
+    }
+}
@@ -0,0 +1,18 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.MoreCollectors;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
+public class MoreCollectorsExample {
+
+    public static void main(String[] args) {
+        List<Integer> numbers = Arrays.asList(1);
+        Optional<Integer> number = numbers
+          .stream()
+          .map(e -> e * 2)
+          .collect(MoreCollectors.toOptional());
+    }
+}
@@ -0,0 +1,39 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.Streams;
+
+import java.util.*;
+import java.util.stream.DoubleStream;
+import java.util.stream.IntStream;
+import java.util.stream.LongStream;
+import java.util.stream.Stream;
+
+public class StreamsUtility {
+
+    public static void main(String[] args) {
+
+        List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20);
+        //Using Collection
+        Stream<Integer> streamFromCollection = Streams.stream(numbers);
+        //Using Iterator
+        Stream<Integer> streamFromIterator = Streams.stream(numbers.iterator());
+        //Using Iterable
+        Stream<Integer> streamFromIterable = Streams.stream((Iterable<Integer>) numbers);
+        //Using Optional
+        Stream<Integer> streamFromOptional = Streams.stream(Optional.of(1));
+        //Using OptionalLong to LongStream
+        LongStream streamFromOptionalLong = Streams.stream(OptionalLong.of(1));
+        //Using OptionalInt to IntStream
+        IntStream streamFromOptionalInt = Streams.stream(OptionalInt.of(1));
+        //Using OptionalDouble to DoubleStream
+        DoubleStream streamFromOptionalDouble = Streams.stream(OptionalDouble.of(1.0));
+
+        Stream<Integer> concatenatedStreams = Streams.concat(streamFromCollection, streamFromIterable, streamFromIterator);
+
+        List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
+        //This will return 10
+        Optional<Integer> lastItem = Streams.findLast(integers.stream());
+
+        Streams.zip(Stream.of("candy", "chocolate", "bar"), Stream.of("$1", "$2", "$3"), (arg1, arg2) -> arg1 + ":" + arg2);
+    }
+}
@@ -0,0 +1,85 @@
+package com.baeldung.guava.zip;
+
+import com.google.common.collect.Streams;
+import org.jooq.lambda.Seq;
+import org.jooq.lambda.tuple.Tuple2;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.IntStream;
+
+import static org.junit.Assert.assertEquals;
+
+public class ZipCollectionTest {
+
+    private List<String> names;
+    private List<Integer> ages;
+    private List<String> expectedOutput;
+
+    @Before
+    public void setUp() throws Exception {
+        names = Arrays.asList("John", "Jane", "Jack", "Dennis");
+        ages = Arrays.asList(24, 25, 27);
+        expectedOutput = Arrays.asList("John:24", "Jane:25", "Jack:27");
+    }
+
+    @Test
+    public void zipCollectionUsingGuava21() {
+        List<String> output = Streams
+          .zip(names.stream(), ages.stream(), (name, age) -> name + ":" + age)
+          .collect(Collectors.toList());
+
+        assertEquals(output, expectedOutput);
+    }
+
+    @Test
+    public void zipCollectionUsingIntStream() {
+        List<String> output = IntStream
+          .range(0, Math.min(names.size(), ages.size()))
+          .mapToObj(i -> names.get(i) + ":" + ages.get(i))
+          .collect(Collectors.toList());
+
+        assertEquals(output, expectedOutput);
+    }
+
+    @Test
+    public void zipCollectionUsingJool() {
+        Seq<String> output = Seq
+          .of("John", "Jane", "Jack")
+          .zip(Seq.of(24, 25, 27), (x, y) -> x + ":" + y);
+
+        assertEquals(output.toList(), expectedOutput);
+    }
+
+    @Test
+    public void zipCollectionUsingJoolTuple() {
+        Seq<Tuple2<String, Integer>> output = Seq
+          .of("John", "Jane", "Dennis")
+          .zip(Seq.of(24, 25, 27));
+
+        Tuple2<String, Integer> element1 = new Tuple2<String, Integer>("John", 24);
+        Tuple2<String, Integer> element2 = new Tuple2<String, Integer>("Jane", 25);
+        Tuple2<String, Integer> element3 = new Tuple2<String, Integer>("Dennis", 27);
+
+        List<Tuple2> expectedOutput = Arrays.asList(element1, element2, element3);
+        assertEquals(output.collect(Collectors.toList()), expectedOutput);
+    }
+
+    @Test
+    public void zipCollectionUsingJoolWithIndex() {
+        Seq<Tuple2<String, Long>> output = Seq
+          .of("John", "Jane", "Dennis")
+          .zipWithIndex();
+
+        Tuple2<String, Long> element1 = new Tuple2<>("John", 0L);
+        Tuple2<String, Long> element2 = new Tuple2<>("Jane", 1L);
+        Tuple2<String, Long> element3 = new Tuple2<>("Dennis", 2L);
+
+        List<Tuple2> expectedOutput = Arrays.asList(element1, element2, element3);
+        assertEquals(output.collect(Collectors.toList()), expectedOutput);
+    }
+
+}
@@ -0,0 +1,56 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.util.concurrent.AtomicLongMap;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class AtomicLongMapIntegrationTest {
+
+    private static final String SPRING_COURSE_KEY = "Spring";
+    private static final String HIBERNATE_COURSE_KEY = "hibernate";
+    private static final String GUAVA_COURSE_KEY = "Guava";
+
+    AtomicLongMap<String> courses = AtomicLongMap.create();
+
+    public void setUp() {
+        courses.put(SPRING_COURSE_KEY, 1056);
+        courses.put(HIBERNATE_COURSE_KEY, 259);
+        courses.put(GUAVA_COURSE_KEY, 78);
+    }
+
+    @Test
+    public void accumulateAndGet_withLongBinaryOperator_thenSuccessful() {
+        long noOfStudents = 56;
+        long oldValue = courses.get(SPRING_COURSE_KEY);
+
+        long totalNotesRequired = courses.accumulateAndGet("Guava", noOfStudents, (x, y) -> (x * y));
+
+        assertEquals(totalNotesRequired, oldValue * noOfStudents);
+    }
+
+    @Test
+    public void getAndAccumulate_withLongBinaryOperator_thenSuccessful() {
+        long noOfStudents = 56;
+        long beforeUpdate = courses.get(SPRING_COURSE_KEY);
+
+        long onUpdate = courses.accumulateAndGet("Guava", noOfStudents, (x, y) -> (x * y));
+
+        long afterUpdate = courses.get(SPRING_COURSE_KEY);
+
+        assertEquals(onUpdate, afterUpdate);
+        assertEquals(afterUpdate, beforeUpdate * noOfStudents);
+    }
+
+    @Test
+    public void updateAndGet_withLongUnaryOperator_thenSuccessful() {
+        long beforeUpdate = courses.get(SPRING_COURSE_KEY);
+
+        long onUpdate = courses.updateAndGet("Guava", (x) -> (x / 2));
+
+        long afterUpdate = courses.get(SPRING_COURSE_KEY);
+
+        assertEquals(onUpdate, afterUpdate);
+        assertEquals(afterUpdate, beforeUpdate / 2);
+    }
+}
@@ -0,0 +1,79 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.Comparators;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.List;
+import java.util.function.Function;
+import java.util.function.ToDoubleFunction;
+import java.util.function.ToIntFunction;
+import java.util.function.ToLongFunction;
+
+public class ComparatorsUnitTest {
+
+    @Test
+    public void isInOrderTest() {
+
+        List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 4, 6, 7, 8, 9, 10);
+
+        boolean isInAscendingOrder = Comparators.isInOrder(numbers, new AscendingOrderComparator<Number>());
+
+        Assert.assertTrue(isInAscendingOrder);
+    }
+
+    @Test
+    public void isInStrictOrderTest() {
+
+        List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 3, 6, 7, 8, 9, 10);
+
+        boolean isInAscendingOrder = Comparators.isInOrder(numbers, new AscendingOrderComparator<Number>());
+
+        Assert.assertFalse(isInAscendingOrder);
+    }
+
+    private class AscendingOrderComparator<I extends Number> implements Comparator<Integer> {
+
+        @Override
+        public int compare(Integer o1, Integer o2) {
+            return o1.compareTo(o2);
+        }
+
+        @Override
+        public Comparator<Integer> reversed() {
+            return null;
+        }
+
+        @Override
+        public Comparator<Integer> thenComparing(Comparator<? super Integer> other) {
+            return null;
+        }
+
+        @Override
+        public <U> Comparator<Integer> thenComparing(Function<? super Integer, ? extends U> keyExtractor, Comparator<? super U> keyComparator) {
+            return null;
+        }
+
+        @Override
+        public <U extends Comparable<? super U>> Comparator<Integer> thenComparing(Function<? super Integer, ? extends U> keyExtractor) {
+            return null;
+        }
+
+        @Override
+        public Comparator<Integer> thenComparingInt(ToIntFunction<? super Integer> keyExtractor) {
+            return null;
+        }
+
+        @Override
+        public Comparator<Integer> thenComparingLong(ToLongFunction<? super Integer> keyExtractor) {
+            return null;
+        }
+
+        @Override
+        public Comparator<Integer> thenComparingDouble(ToDoubleFunction<? super Integer> keyExtractor) {
+            return null;
+        }
+    }
+}
@@ -0,0 +1,161 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.Streams;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Optional;
+import java.util.OptionalDouble;
+import java.util.OptionalInt;
+import java.util.OptionalLong;
+import java.util.stream.Collectors;
+import java.util.stream.DoubleStream;
+import java.util.stream.IntStream;
+import java.util.stream.LongStream;
+import java.util.stream.Stream;
+
+import static com.baeldung.guava.tutorial.StreamUtility.assertStreamEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+public class GuavaStreamsUnitTest {
+
+    private List<Integer> numbers;
+
+    @Before
+    public void setUp() {
+        numbers = IntStream.rangeClosed(1, 20).boxed().collect(Collectors.toList());
+    }
+
+    @Test
+    public void createStreamsWithCollection() {
+        //Deprecated API to create stream from collection
+        Stream streamFromCollection = Streams.stream(numbers);
+
+        //Assert.assertNotNull(streamFromCollection);
+        assertStreamEquals(streamFromCollection, numbers.stream());
+    }
+
+    @Test
+    public void createStreamsWithIterable() {
+        Iterable<Integer> numbersIterable = numbers;
+
+        Stream streamFromIterable = Streams.stream(numbersIterable);
+
+        assertNotNull(streamFromIterable);
+        assertStreamEquals(streamFromIterable, numbers.stream());
+    }
+
+    @Test
+    public void createStreamsWithIterator() {
+        Iterator<Integer> numbersIterator = numbers.iterator();
+
+        Stream streamFromIterator = Streams.stream(numbersIterator);
+
+        assertNotNull(streamFromIterator);
+        assertStreamEquals(streamFromIterator, numbers.stream());
+    }
+
+    @Test
+    public void createStreamsWithOptional() {
+
+        Stream streamFromOptional = Streams.stream(Optional.of(1));
+
+        assertNotNull(streamFromOptional);
+        assertEquals(streamFromOptional.count(), 1);
+    }
+
+    @Test
+    public void createStreamsWithOptionalLong() {
+
+        LongStream streamFromOptionalLong = Streams.stream(OptionalLong.of(1));
+
+        assertNotNull(streamFromOptionalLong);
+        assertEquals(streamFromOptionalLong.count(), 1);
+    }
+
+    @Test
+    public void createStreamsWithOptionalInt() {
+
+        IntStream streamFromOptionalInt = Streams.stream(OptionalInt.of(1));
+
+        //Assert.assertNotNull(streamFromOptionalInt);
+        assertEquals(streamFromOptionalInt.count(), 1);
+    }
+
+    @Test
+    public void createStreamsWithOptionalDouble() {
+
+        DoubleStream streamFromOptionalDouble = Streams.stream(OptionalDouble.of(1.0));
+
+        //Assert.assertNotNull(streamFromOptionalDouble);
+        assertEquals(streamFromOptionalDouble.count(), 1);
+
+    }
+
+    @Test
+    public void concatStreamsOfSameType() {
+        List<Integer> oddNumbers = Arrays
+          .asList(1, 3, 5, 7, 9, 11, 13, 15, 17, 19);
+        List<Integer> evenNumbers = Arrays
+          .asList(2, 4, 6, 8, 10, 12, 14, 16, 18, 20);
+
+        Stream<Integer> combinedStreams = Streams.concat(oddNumbers.stream(), evenNumbers.stream());
+
+        //Assert.assertNotNull(combinedStreams);
+        assertStreamEquals(combinedStreams, Stream.concat(oddNumbers.stream(), evenNumbers.stream()));
+    }
+
+    @Test
+    public void concatStreamsOfTypeLongStream() {
+        LongStream combinedStreams = Streams.concat(LongStream.range(1, 21), LongStream.range(21, 40));
+
+        assertNotNull(combinedStreams);
+        assertStreamEquals(combinedStreams, LongStream.range(1, 40));
+    }
+
+    @Test
+    public void concatStreamsOfTypeIntStream() {
+        IntStream combinedStreams = Streams.concat(IntStream.range(1, 20), IntStream.range(21, 40));
+
+        assertNotNull(combinedStreams);
+        assertStreamEquals(combinedStreams, IntStream.concat(IntStream.range(1, 20), IntStream.range(21, 40)));
+    }
+
+    @Test
+    public void findLastOfStream() {
+        Optional<Integer> lastElement = Streams.findLast(numbers.stream());
+
+        assertEquals(lastElement.get(), numbers.get(19));
+    }
+
+    @Test
+    public void mapWithIndexTest() {
+        Stream<String> stringStream = Stream.of("a", "b", "c");
+
+        Stream<String> mappedStream = Streams.mapWithIndex(stringStream, (str, index) -> str + ":" + index);
+
+        //Assert.assertNotNull(mappedStream);
+        assertEquals(mappedStream
+          .findFirst()
+          .get(), "a:0");
+
+    }
+
+    @Test
+    public void streamsZipTest() {
+        Stream<String> stringSream = Stream.of("a", "b", "c");
+        Stream<Integer> intStream = Stream.of(1, 2, 3);
+        Stream<String> mappedStream = Streams.zip(stringSream, intStream, (str, index) -> str + ":" + index);
+
+        //Assert.assertNotNull(mappedStream);
+        assertEquals(mappedStream
+          .findFirst()
+          .get(), "a:1");
+
+    }
+
+}
@@ -0,0 +1,20 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.Interner;
+import com.google.common.collect.Interners;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class InternBuilderUnitTest {
+
+    @Test
+    public void interBuilderTest() {
+
+        Interner<Integer> interners = Interners.<Integer> newBuilder()
+          .concurrencyLevel(2)
+          .strong().<Integer> build();
+
+        Assert.assertNotNull(interners);
+    }
+
+}
@@ -0,0 +1,55 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.util.concurrent.Monitor;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class MonitorUnitTest {
+
+    @Test
+    public void whenGaurdConditionIsTrue_IsSuccessful() {
+        Monitor monitor = new Monitor();
+        boolean enteredInCriticalSection = false;
+
+        Monitor.Guard gaurdCondition = monitor.newGuard(this::returnTrue);
+
+        if (monitor.enterIf(gaurdCondition)) {
+            try {
+                System.out.println("Entered in critical section");
+                enteredInCriticalSection = true;
+            } finally {
+                monitor.leave();
+            }
+        }
+
+        Assert.assertTrue(enteredInCriticalSection);
+
+    }
+
+    @Test
+    public void whenGaurdConditionIsFalse_IsSuccessful() {
+        Monitor monitor = new Monitor();
+        boolean enteredInCriticalSection = false;
+
+        Monitor.Guard gaurdCondition = monitor.newGuard(this::returnFalse);
+
+        if (monitor.enterIf(gaurdCondition)) {
+            try {
+                System.out.println("Entered in critical section");
+                enteredInCriticalSection = true;
+            } finally {
+                monitor.leave();
+            }
+        }
+
+        Assert.assertFalse(enteredInCriticalSection);
+    }
+
+    private boolean returnTrue() {
+        return true;
+    }
+
+    private boolean returnFalse() {
+        return false;
+    }
+}
@@ -0,0 +1,38 @@
+package com.baeldung.guava.tutorial;
+
+import com.google.common.collect.MoreCollectors;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Optional;
+
+public class MoreCollectorsUnitTest {
+
+    @Test
+    public void toOptionalTest() {
+
+        List<Integer> numbers = Arrays.asList(1);
+
+        Optional<Integer> number = numbers
+          .stream()
+          .map(e -> e * 2)
+          .collect(MoreCollectors.toOptional());
+
+        Assert.assertEquals(number.get(), new Integer(2));
+    }
+
+    @Test
+    public void onlyElementTest() {
+        List<Integer> numbers = Arrays.asList(1);
+
+        Integer number = numbers
+          .stream()
+          .map(e -> e * 2)
+          .collect(MoreCollectors.onlyElement());
+
+        Assert.assertEquals(number, new Integer(2));
+    }
+
+}
@@ -0,0 +1,68 @@
+package com.baeldung.guava.tutorial;
+
+import org.junit.Assert;
+
+import java.util.Iterator;
+import java.util.stream.DoubleStream;
+import java.util.stream.IntStream;
+import java.util.stream.LongStream;
+import java.util.stream.Stream;
+
+public class StreamUtility {
+
+    public static <T> boolean assertStreamEquals(Stream<T> stream1, Stream<T> stream2) {
+
+        Iterator<T> iterator1 = stream1.iterator();
+        Iterator<T> iterator2 = stream2.iterator();
+
+        while (iterator1.hasNext()) {
+            Assert.assertEquals(iterator1.next(), iterator2.next());
+        }
+
+        Assert.assertFalse(iterator2.hasNext());
+
+        return true;
+    }
+
+    public static boolean assertStreamEquals(LongStream stream1, LongStream stream2) {
+
+        Iterator iterator1 = stream1.iterator();
+        Iterator iterator2 = stream2.iterator();
+
+        while (iterator1.hasNext()) {
+            Assert.assertEquals(iterator1.next(), iterator2.next());
+        }
+
+        Assert.assertFalse(iterator2.hasNext());
+
+        return true;
+    }
+
+    public static boolean assertStreamEquals(DoubleStream stream1, DoubleStream stream2) {
+
+        Iterator iterator1 = stream1.iterator();
+        Iterator iterator2 = stream2.iterator();
+
+        while (iterator1.hasNext()) {
+            Assert.assertEquals(iterator1.next(), iterator2.next());
+        }
+
+        Assert.assertFalse(iterator2.hasNext());
+
+        return true;
+    }
+
+    public static boolean assertStreamEquals(IntStream stream1, IntStream stream2) {
+
+        Iterator iterator1 = stream1.iterator();
+        Iterator iterator2 = stream2.iterator();
+
+        while (iterator1.hasNext()) {
+            Assert.assertEquals(iterator1.next(), iterator2.next());
+        }
+
+        Assert.assertFalse(iterator2.hasNext());
+
+        return true;
+    }
+}