Class WorkerUnionBase<T>
java.lang.Object
org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<E>
org.eclipse.rdf4j.common.iteration.LookAheadIteration<T>
org.eclipse.rdf4j.federated.evaluation.concurrent.ParallelExecutorBase<T>
org.eclipse.rdf4j.federated.evaluation.union.UnionExecutorBase<T>
org.eclipse.rdf4j.federated.evaluation.union.WorkerUnionBase<T>
- All Implemented Interfaces:
AutoCloseable,Runnable,Iterator<T>,CloseableIteration<T>,ParallelExecutor<T>
- Direct Known Subclasses:
ControlledWorkerUnion,SynchronousWorkerUnion
Base class for worker unions providing convenience functions to add tasks.
- Author:
- Andreas Schwarte
- See Also:
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Field Summary
FieldsFields inherited from class org.eclipse.rdf4j.federated.evaluation.concurrent.ParallelExecutorBase
evaluationThread, executorId, finished, log, NEXT_EXECUTOR_ID, queryInfo, rightIter, rightQueue, strategy -
Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionvoidaddTask(ParallelTask<T> task) Add a generic parallel task.voidCalled byAbstractCloseableIteration.close()when it is called for the first time.Methods inherited from class org.eclipse.rdf4j.federated.evaluation.union.UnionExecutorBase
getExecutorType, performExecution, unionMethods inherited from class org.eclipse.rdf4j.federated.evaluation.concurrent.ParallelExecutorBase
addResult, checkTimeout, done, getDisplayId, getId, getNextElement, getQueryInfo, isFinished, run, toss, toStringMethods inherited from class org.eclipse.rdf4j.common.iteration.LookAheadIteration
hasNext, next, removeMethods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
close, isClosedMethods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, waitMethods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration
streamMethods inherited from interface java.util.Iterator
forEachRemaining
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Field Details
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tasks
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Constructor Details
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WorkerUnionBase
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Method Details
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addTask
Add a generic parallel task. Note that it is required that the task has this instance as its control.- Parameters:
task-
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handleClose
Description copied from class:AbstractCloseableIterationCalled byAbstractCloseableIteration.close()when it is called for the first time. This method is only called once on each iteration. By default, this method does nothing.- Overrides:
handleClosein classParallelExecutorBase<T>- Throws:
QueryEvaluationException
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