Examples of ExternalExecutorService

org.drools.concurrent.ExternalExecutorService
This class wraps up an externally managed executor service, meaning that the life cycle of the service is not managed by Drools. So, we intercept calls to shutdown() and shutdownNow() to not shutdown the external pool. Also, we need to maintain a list of tasks submitted to the external pool, so that they can be properly cancelled on a shutdown.

Examples of org.drools.concurrent.ExternalExecutorService


    public void stopPartitionManagers() {
        startOperation();
        try {
            if ( this.ruleBase.getConfiguration().isMultithreadEvaluation() ) {
                ExternalExecutorService service = this.threadPool.get();
                if ( this.threadPool.compareAndSet( service,
                                                    null ) ) {
                    service.shutdown();
                    partitionManager.shutdown();
                }
            }
        } finally {
            endOperation();

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Examples of org.drools.concurrent.ExternalExecutorService

            endOperation();
        }
    }


    private ExternalExecutorService createExecutorService(final int maxThreads) {
        return new ExternalExecutorService( Executors.newFixedThreadPool( maxThreads ) );
    }

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Examples of org.drools.concurrent.ExternalExecutorService


    public void stopPartitionManagers() {
        startOperation();
        try {
            if ( this.ruleBase.getConfiguration().isMultithreadEvaluation() ) {
                ExternalExecutorService service = this.threadPool.get();
                if ( this.threadPool.compareAndSet( service,
                                                    null ) ) {
                    service.shutdown();
                    partitionManager.shutdown();
                }
            }
        } finally {
            endOperation();

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Examples of org.drools.concurrent.ExternalExecutorService

            endOperation();
        }
    }


    private ExternalExecutorService createExecutorService(final int maxThreads) {
        return new ExternalExecutorService( Executors.newFixedThreadPool( maxThreads ) );
    }

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Examples of org.drools.concurrent.ExternalExecutorService


    public void stopPartitionManagers() {
        startOperation();
        try {
            if ( this.ruleBase.getConfiguration().isMultithreadEvaluation() ) {
                ExternalExecutorService service = this.threadPool.get();
                if ( this.threadPool.compareAndSet( service,
                                                    null ) ) {
                    service.shutdown();
                    partitionManager.shutdown();
                }
            }
        } finally {
            endOperation();

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Examples of org.drools.concurrent.ExternalExecutorService

    public void testEnqueueBeforeSettingExecutor() throws InterruptedException {
        final PartitionTaskManager.Action action = mock( PartitionTaskManager.Action.class );


        taskManager.enqueue( action );


        ExternalExecutorService service = new ExternalExecutorService( Executors.newSingleThreadExecutor() );
        // set the pool
        manager.setPool( service );


        service.waitUntilEmpty();
        
        // check expectations
        verify( action ).execute(workingMemory);
    }

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Examples of org.drools.concurrent.ExternalExecutorService

    @Test
    public void testFireCorrectly() throws InterruptedException {
        // creates a mock action
        final PartitionTaskManager.Action action = mock( PartitionTaskManager.Action.class );
        
        ExternalExecutorService service = new ExternalExecutorService( Executors.newSingleThreadExecutor() );
        // set the pool
        manager.setPool( service );
        
        // fire scenario
        taskManager.enqueue( action );
        
        // executes all pending actions using current thread
        service.waitUntilEmpty();
        
        // check expectations
        verify( action ).execute(workingMemory);
    }

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Examples of org.drools.concurrent.ExternalExecutorService

        taskManager.enqueue( action );
        taskManager.enqueue( action );


        // TODO: implement a deterministic executor service for testing..
        ExecutorService pool = Executors.newSingleThreadExecutor();
        ExternalExecutorService service = new ExternalExecutorService( pool );
        // set the pool
        manager.setPool( service );
        
        // enqueue after setting the pool
        taskManager.enqueue( action );
        taskManager.enqueue( action );
        taskManager.enqueue( action );
        
        // executes all pending actions using current thread
        service.waitUntilEmpty();
        pool.shutdown();
        
        // check expectations
        verify( action, times(5) ).execute(workingMemory);
    }

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