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//note, or whatever user should be sending the messages
grouperSession = GrouperSession.startRootSession();
//send message to queue
GrouperMessagingEngine.send(new GrouperMessageSendParam().assignGrouperMessageSystemName(GrouperBuiltinMessagingSystem.BUILTIN_NAME).assignQueueType(GrouperMessageQueueType.queue).assignQueueOrTopicName("queueName").addMessageBody("Some message body"));
//send message to topic
GrouperMessagingEngine.send(new GrouperMessageSendParam().assignGrouperMessageSystemName(GrouperBuiltinMessagingSystem.BUILTIN_NAME).assignQueueType(GrouperMessageQueueType.topic).assignQueueOrTopicName("queueName").addMessageBody("Some message body"));
//receive messages
GrouperMessageReceiveResult grouperMessageReceiveResult = GrouperMessagingEngine.receive(new GrouperMessageReceiveParam().assignGrouperMessageSystemName(GrouperBuiltinMessagingSystem.BUILTIN_NAME).assignQueueName(queueName));
Collection<GrouperMessage> grouperMessages = grouperMessageReceiveResult.getGrouperMessages();
//acknowledge message as processed
GrouperMessagingEngine.acknowledge(new GrouperMessageAcknowledgeParam().assignAcknowledgeType(GrouperMessageAcknowledgeType.mark_as_processed).assignQueueName("abc").addGrouperMessage(grouperMessage).assignGrouperMessageSystemName(GrouperBuiltinMessagingSystem.BUILTIN_NAME));
//acknowledge message as return to queue (receive next time ask for messages)
GrouperMessagingEngine.acknowledge(new GrouperMessageAcknowledgeParam().assignAcknowledgeType(GrouperMessageAcknowledgeType.return_to_queue).assignQueueName("abc").addGrouperMessage(grouperMessage).assignGrouperMessageSystemName(GrouperBuiltinMessagingSystem.BUILTIN_NAME));
//acknowledge message as return to queue (receive after other messages on the queue)
GrouperMessagingEngine.acknowledge(new GrouperMessageAcknowledgeParam().assignAcknowledgeType(GrouperMessageAcknowledgeType.return_to_end_of_queue).assignQueueName("abc").addGrouperMessage(grouperMessage).assignGrouperMessageSystemName(GrouperBuiltinMessagingSystem.BUILTIN_NAME));
//acknowledge message send to another queue or topic (e.g. dead letter queue, dlq)
GrouperMessagingEngine.acknowledge(new GrouperMessageAcknowledgeParam().assignAcknowledgeType(GrouperMessageAcknowledgeType.send_to_another_queue).assignQueueName("abc").addGrouperMessage(grouperMessage).assignGrouperMessageSystemName(GrouperBuiltinMessagingSystem.BUILTIN_NAME).assignAnotherQueueParam(new GrouperMessageQueueParam().assignQueueOrTopicName("dlq").assignQueueType(GrouperMessageQueueType.queue));
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Expression language testing
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Set this in log4j.properties
log4j.logger.edu.internet2.middleware.grouper.util.GrouperUtil = DEBUG
Run GSH:
gsh 0% GrouperSession grouperSession = GrouperSession.startRootSession();
gsh 1% Group group = GroupFinder.findByName(grouperSession, "apps:loader");
gsh 2% Map variableMap = new HashMap();
gsh 3% variableMap.put("theGroup", group);
gsh 4% String result = GrouperUtil.substituteExpressionLanguage("Name: ${theGroup.name}", variableMap);
gsh 5% result
Name: apps:loader
This is the log entry:
2018-06-04 22:32:58,197: [main] DEBUG GrouperUtil.substituteExpressionLanguage(9416) - - Subsituting EL: 'Name: ${theGroup.name}', and with env vars: theGroup, grouperUtil with result: 'Name: apps:loader'
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