Examples of org.springframework.integration.voldemort.store.VoldemortMessageStore

Package org.springframework.integration.voldemort.store

Examples of org.springframework.integration.voldemort.store.VoldemortMessageStore

org.springframework.integration.voldemort.store.VoldemortMessageStore
Voldemort implementation of the key-value style {@link MessageStore} and {@link MessageGroupStore}. Implementation note: message identifiers are persisted as {@link String}s. @author Lukasz Antoniak @since 1.0

    createdTimestamp = messageGroup.getTimestamp();
    updatedTimestamp = messageGroup.getLastModified();
    Assert.assertTrue( updatedTimestamp > createdTimestamp );


    // use another message store instance
    VoldemortMessageStore newStore = createNewStoreClient();


    messageGroup = newStore.getMessageGroup( 1 );
    Assert.assertEquals( 2, messageGroup.size() );
  }

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    Message<?> message = new GenericMessage<String>( "Hello" );
    messageGroup = store.addMessageToGroup( 1, message );
    Assert.assertEquals( 1, messageGroup.size() );


    // use another message store instance
    VoldemortMessageStore newStore = createNewStoreClient();


    messageGroup = newStore.getMessageGroup( 1 );
    Assert.assertEquals( 1, messageGroup.size() );
  }

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    Assert.assertNotSame( messageGroup, messageGroupA );
    Assert.assertEquals( 0, messageGroupA.getMessages().size() );
    Assert.assertEquals( 0, messageGroupA.size() );


    // use another message store instance
    VoldemortMessageStore newStore = createNewStoreClient();


    messageGroup = newStore.getMessageGroup( 1 );


    Assert.assertEquals( 0, messageGroup.getMessages().size() );
    Assert.assertEquals( 0, messageGroup.size() );
  }

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    messageGroup = store.removeMessageFromGroup( 1, message );
    Assert.assertEquals( 2, messageGroup.size() );


    // use another message store instance
    VoldemortMessageStore newStore = createNewStoreClient();


    messageGroup = newStore.getMessageGroup( 1 );
    Assert.assertEquals( 2, messageGroup.size() );
  }

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    store.removeMessageFromGroup( 1, new GenericMessage<String>( "2" ) );
  }


  @Test
  public void testMultipleInstancesOfGroupStore() {
    VoldemortMessageStore store1 = createNewStoreClient();
    VoldemortMessageStore store2 = createNewStoreClient();


    Message<?> message = new GenericMessage<String>( "1" );
    store1.addMessageToGroup( 1, message );
    MessageGroup messageGroup = store2.addMessageToGroup( 1, new GenericMessage<String>( "2" ) );
    Assert.assertEquals( 2, messageGroup.getMessages().size() );


    VoldemortMessageStore store3 = createNewStoreClient();
    messageGroup = store3.removeMessageFromGroup( 1, message );
    Assert.assertEquals( 1, messageGroup.getMessages().size() );
  }

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    Assert.assertEquals( 1, messageGroup.getMessages().size() );
  }


  @Test
  public void testIteratorOfMessageGroups() {
    VoldemortMessageStore store1 = createNewStoreClient();
    VoldemortMessageStore store2 = createNewStoreClient();


    store1.addMessageToGroup( 1, new GenericMessage<String>( "1" ) );
    store2.addMessageToGroup( 2, new GenericMessage<String>( "2" ) );
    store1.addMessageToGroup( 3, new GenericMessage<String>( "3" ) );
    store2.addMessageToGroup( 3, new GenericMessage<String>( "3A" ) );


    Iterator<MessageGroup> messageGroups = store1.iterator();
    int counter = 0;
    while ( messageGroups.hasNext() ) {
      final MessageGroup group = messageGroups.next();
      final String groupId = (String) group.getGroupId();
      if ( "1".equals( groupId ) ) {
        Assert.assertEquals( 1, group.getMessages().size() );
      }
      else if ( "2".equals( groupId ) ) {
        Assert.assertEquals( 1, group.getMessages().size() );
      }
      else if ( "3".equals( groupId ) ) {
        Assert.assertEquals( 2, group.getMessages().size() );
      }
      ++counter;
    }
    Assert.assertEquals( 3, counter );


    store2.removeMessageGroup( 3 );


    messageGroups = store1.iterator();
    counter = 0;
    while ( messageGroups.hasNext() ) {
      messageGroups.next();

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    Assert.assertEquals( 2, counter );
  }


  @Test
  public void testConcurrentModifications() throws InterruptedException {
    final VoldemortMessageStore store1 = createNewStoreClient();
    final VoldemortMessageStore store2 = createNewStoreClient();


    final ExecutorService executor = Executors.newCachedThreadPool();
    final Counter errorCounter = new Counter();
    final Random randomGenerator = new Random();
    for ( int i = 0; i < 10; ++i ) {
      executor.execute( new Runnable() {
        public void run() {
          try {
            final Message<?> message = new GenericMessage<Object>( UUID.randomUUID() );
            MessageGroup group = store1.addMessageToGroup( 1, message );


            Thread.sleep( randomGenerator.nextInt( 100 ) );


            group = store2.removeMessageFromGroup( 1, message );
          }
          catch ( Exception e ) {
            errorCounter.increment();
          }
        }

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Related Classes of org.springframework.integration.voldemort.store.VoldemortMessageStore

org.springframework.integration.voldemort.test.store.VoldemortMessageGroupStoreTest

voldemort.versioning.Versioned

java.util.concurrent.locks.Lock

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