Examples of org.drools.concurrent.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.

            endOperation();
        }
    }


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

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    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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            endOperation();
        }
    }


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

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    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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            endOperation();
        }
    }


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

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    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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            endOperation();
        }
    }


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

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    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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            endOperation();
        }
    }


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

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    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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Related Classes of org.drools.concurrent.ExternalExecutorService

org.drools.common.AbstractWorkingMemory

org.drools.reteoo.PartitionTaskManagerTest

java.util.ArrayList

java.util.Collection

java.util.concurrent.locks.ReentrantLock

java.util.concurrent.ExecutorService

java.util.concurrent.RejectedExecutionException

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