Examples of org.mokai.persist.jdbc.JdbcMessageStore

org.mokai.persist.jdbc.JdbcMessageStore

An implementation of a {@link MessageStore} used to persist messagesin a relational database. It uses a {@link MessageHandler} to abstractthe way messages are inserted, updated, etc., allowing customization in the way in which messages are persisted (one table per message, multiple tables per message, one big table, etc.).
@author German Escobar

    MessageHandler handler = mock(MessageHandler.class);
    when(handler.listMessages(any(Connection.class), any(MessageCriteria.class)))
      .thenReturn(Collections.singleton(new Message()));


    DataSource dataSource = mockDataSource();
    JdbcMessageStore messageStore = createMessageStore(dataSource, handler);


    Collection<Message> messages = messageStore.list(new MessageCriteria());


    Assert.assertEquals(1, messages.size());
  }

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    MessageHandler handler = mock(MessageHandler.class);
    when(handler.listMessages(any(Connection.class), any(MessageCriteria.class)))
      .thenReturn(Collections.singleton(new Message()));


    DataSource dataSource = mockDataSource();
    JdbcMessageStore messageStore = createMessageStore(dataSource, handler);


    Collection<Message> messages = messageStore.list(null);


    Assert.assertEquals(1, messages.size());
  }

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    when(handler.supportsDirection(any(Direction.class))).thenReturn(true);
    when(handler.listMessages(any(Connection.class), any(MessageCriteria.class)))
      .thenReturn(Collections.singleton(new Message()));


    DataSource dataSource = mockDataSource();
    JdbcMessageStore messageStore = createMessageStore(dataSource, handler);


    MessageCriteria criteria = new MessageCriteria()
      .direction(Direction.TO_APPLICATIONS);
    Collection<Message> messages = messageStore.list(criteria);


    Assert.assertEquals(1, messages.size());
  }

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    MessageHandler handler = mock(MessageHandler.class);
    when(handler.listMessages(any(Connection.class), any(MessageCriteria.class)))
      .thenReturn(null);


    DataSource dataSource = mockDataSource();
    JdbcMessageStore messageStore = createMessageStore(dataSource, handler);


    Collection<Message> messages = messageStore.list(new MessageCriteria());


    Assert.assertNotNull(messages);
    Assert.assertEquals(0, messages.size());


    verify(handler).listMessages(any(Connection.class), any(MessageCriteria.class));

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  public void testListWithNotSupportedDirectionCriteria() throws Exception {
    MessageHandler handler = mock(MessageHandler.class);
    when(handler.supportsDirection(any(Direction.class))).thenReturn(false);


    DataSource dataSource = mockDataSource();
    JdbcMessageStore messageStore = createMessageStore(dataSource, handler);


    MessageCriteria criteria = new MessageCriteria()
      .direction(Direction.TO_APPLICATIONS);
    Collection<Message> messages = messageStore.list(criteria);
    Assert.assertNotNull(messages);
    Assert.assertEquals(0, messages.size());


    verify(handler, never()).listMessages(any(Connection.class), any(MessageCriteria.class));
  }

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    verify(handler, never()).listMessages(any(Connection.class), any(MessageCriteria.class));
  }


  @Test(expectedExceptions=IllegalStateException.class)
  public void shouldFailSaveOrUpdateWithNullDataSource() throws Exception {
    JdbcMessageStore messageStore = createMessageStoreNoDataSource();
    messageStore.saveOrUpdate(new Message());
  }

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    messageStore.saveOrUpdate(new Message());
  }


  @Test(expectedExceptions=IllegalStateException.class)
  public void shouldFailUpdateStatusWithNullDataSource() throws Exception {
    JdbcMessageStore messageStore = createMessageStoreNoDataSource();
    messageStore.updateStatus(new MessageCriteria(), Message.STATUS_CREATED);
  }

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    messageStore.updateStatus(new MessageCriteria(), Message.STATUS_CREATED);
  }


  @Test(expectedExceptions=IllegalStateException.class)
  public void shouldFailListWithNullDataSource() throws Exception {
    JdbcMessageStore messageStore = createMessageStoreNoDataSource();
    messageStore.list(new MessageCriteria());
  }

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    return dataSource;
  }


  private JdbcMessageStore createMessageStore(DataSource dataSource, MessageHandler handler) {
    JdbcMessageStore messageStore = new JdbcMessageStore();
    messageStore.setDataSource(dataSource);
    messageStore.setMessageHandler(handler);


    return messageStore;
  }

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    return messageStore;
  }


  private JdbcMessageStore createMessageStoreNoDataSource() {
    MessageHandler handler = mock(MessageHandler.class);
    JdbcMessageStore messageStore = new JdbcMessageStore();
    messageStore.setMessageHandler(handler);


    return messageStore;
  }

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