Examples of org.apache.activemq.memory.UsageManager

org.apache.activemq.memory.UsageManager
Used to keep track of how much of something is being used so that a productive working set usage can be controlled. Main use case is manage memory usage. @org.apache.xbean.XBean @version $Revision: 1.3 $

                    ((TimedSubscriptionRecoveryPolicy)subsPolicy).getRecoverDuration());
            log.info("Success");


            // Check usage manager
//            System.out.print("Checking memory manager configurations... ");
            UsageManager memMgr = broker.getMemoryManager();
            assertTrue("Should have a memory manager", memMgr != null);
            assertEquals("UsageManager Config Error (limit)", 200000, memMgr.getLimit());
            assertEquals("UsageManager Config Error (percentUsageMinDelta)", 20, memMgr.getPercentUsageMinDelta());
            log.info("Success");


            log.info("Success");
        } finally {
            if (broker != null) {

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    public Topic(ActiveMQDestination destination, TopicMessageStore store, UsageManager memoryManager, DestinationStatistics parentStats,
            TaskRunnerFactory taskFactory) {


        this.destination = destination;
        this.store = store; //this could be NULL! (If an advsiory)
        this.usageManager = new UsageManager(memoryManager);
        this.usageManager.setLimit(Long.MAX_VALUE);
        
        // Let the store know what usage manager we are using so that he can flush messages to disk
        // when usage gets high.
        if( store!=null ) {

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    private MessageGroupMapFactory messageGroupMapFactory = new MessageGroupHashBucketFactory();


    public Queue(ActiveMQDestination destination, final UsageManager memoryManager, MessageStore store, DestinationStatistics parentStats,
            TaskRunnerFactory taskFactory) throws Exception {
        this.destination = destination;
        this.usageManager = new UsageManager(memoryManager);
        this.usageManager.setLimit(Long.MAX_VALUE);
        this.store = store;


        // Let the store know what usage manager we are using so that he can
        // flush messages to disk

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        this.populateJMSXUserID = populateJMSXUserID;
    }


    public UsageManager getMemoryManager() {
        if (memoryManager == null) {
            memoryManager = new UsageManager();
            memoryManager.setLimit(1024 * 1024 * 20); // Default to 20 Meg
            // limit
        }
        return memoryManager;
    }

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    brokerService.setBrokerName(brokerName);
    brokerService.setPersistent(false);
    brokerService.setUseJmx(true);


    final UsageManager memoryManager = new UsageManager();
    memoryManager.setLimit(5000000);
    brokerService.setMemoryManager(memoryManager);


    final ArrayList policyEntries = new ArrayList();


    final PolicyEntry entry = new PolicyEntry();

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    brokerService.setBrokerName(brokerName);
    brokerService.setPersistent(false);
    brokerService.setUseJmx(true);


    final UsageManager memoryManager = new UsageManager();
    memoryManager.setLimit(5000000);
    brokerService.setMemoryManager(memoryManager);


    final ArrayList policyEntries = new ArrayList();


    final PolicyEntry entry = new PolicyEntry();

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        this.populateJMSXUserID = populateJMSXUserID;
    }


    public UsageManager getMemoryManager() {
        if (memoryManager == null) {
            memoryManager = new UsageManager();
            memoryManager.setLimit(1024 * 1024 * 20); // Default to 20 Meg
            // limit
        }
        return memoryManager;
    }

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    public Topic(ActiveMQDestination destination, TopicMessageStore store, UsageManager memoryManager, DestinationStatistics parentStats,
            TaskRunnerFactory taskFactory) {


        this.destination = destination;
        this.store = store; //this could be NULL! (If an advsiory)
        this.usageManager = new UsageManager(memoryManager);
        this.usageManager.setLimit(Long.MAX_VALUE);
        
        // Let the store know what usage manager we are using so that he can flush messages to disk
        // when usage gets high.
        if( store!=null ) {

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    private MessageGroupMapFactory messageGroupMapFactory = new MessageGroupHashBucketFactory();


    public Queue(ActiveMQDestination destination, final UsageManager memoryManager, MessageStore store, DestinationStatistics parentStats,
            TaskRunnerFactory taskFactory) throws Exception {
        this.destination = destination;
        this.usageManager = new UsageManager(memoryManager);
        this.usageManager.setLimit(Long.MAX_VALUE);
        this.store = store;


        // Let the store know what usage manager we are using so that he can
        // flush messages to disk

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Related Classes of org.apache.activemq.memory.UsageManager

org.apache.activemq.AMQDeadlockTest3

org.apache.activemq.broker.BrokerService

org.apache.activemq.broker.region.Queue

org.apache.activemq.broker.region.Topic

org.apache.activemq.config.ConfigTest

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