@Test
public void testWithMessageHistory() throws Exception {
GemfireMessageStore store = new GemfireMessageStore(this.cache);
store.afterPropertiesSet();
store.getMessageGroup(1);
Message<?> message = new GenericMessage<String>("Hello");
DirectChannel fooChannel = new DirectChannel();
fooChannel.setBeanName("fooChannel");
DirectChannel barChannel = new DirectChannel();
barChannel.setBeanName("barChannel");
message = MessageHistory.write(message, fooChannel);
message = MessageHistory.write(message, barChannel);
store.addMessageToGroup(1, message);
message = store.getMessageGroup(1).getMessages().iterator().next();
MessageHistory messageHistory = MessageHistory.read(message);
assertNotNull(messageHistory);
assertEquals(2, messageHistory.size());
Properties fooChannelHistory = messageHistory.get(0);
assertEquals("fooChannel", fooChannelHistory.get("name"));
assertEquals("channel", fooChannelHistory.get("type"));
}
/**
* @param history a message history
* @param componentName the name of a component to scan for
* @param startingIndex the index to start scanning
* @return the properties provided by the named component or null if none available
*/
public static Properties locateComponentInHistory(
MessageHistory history, String componentName, int startingIndex) {
Assert.notNull(history, "'history' must not be null");
Assert.isTrue(StringUtils.hasText(componentName), "'componentName' must be provided");
Assert.isTrue(
startingIndex < history.size(), "'startingIndex' can not be greater then size of history");
Properties component = null;
for (int i = startingIndex; i < history.size(); i++) {
Properties properties = history.get(i);
if (componentName.equals(properties.get("name"))) {
component = properties;
break;
}
}
return component;
}