Class OrderIterator
java.lang.Object
org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration<BindingSet,QueryEvaluationException>
org.eclipse.rdf4j.common.iteration.DelayedIteration<BindingSet,QueryEvaluationException>
org.eclipse.rdf4j.query.algebra.evaluation.iterator.OrderIterator
- All Implemented Interfaces:
AutoCloseable
,CloseableIteration<BindingSet,
,QueryEvaluationException> Iteration<BindingSet,
QueryEvaluationException>
@Deprecated(since="4.1.0")
public class OrderIterator
extends DelayedIteration<BindingSet,QueryEvaluationException>
Deprecated.
Sorts the input and optionally applies limit and distinct.
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionprivate static class
OrderIterator.SerializedQueue<E extends Serializable>
Deprecated.private static class
Deprecated. -
Field Summary
FieldsModifier and TypeFieldDescriptionprivate final Comparator
<BindingSet> Deprecated.private final boolean
Deprecated.private final CloseableIteration
<BindingSet, QueryEvaluationException> Deprecated.private final long
Deprecated.Number of items cached before internal collection is synced to disk.private final long
Deprecated.private final List
<OrderIterator.SerializedQueue<BindingSet>> Deprecated. -
Constructor Summary
ConstructorsConstructorDescriptionOrderIterator
(CloseableIteration<BindingSet, QueryEvaluationException> iter, Comparator<BindingSet> comparator) Deprecated.OrderIterator
(CloseableIteration<BindingSet, QueryEvaluationException> iter, Comparator<BindingSet> comparator, long limit, boolean distinct) Deprecated.OrderIterator
(CloseableIteration<BindingSet, QueryEvaluationException> iter, Comparator<BindingSet> comparator, long limit, boolean distinct, long iterationSyncThreshold) Deprecated. -
Method Summary
Modifier and TypeMethodDescriptionprotected Iteration
<BindingSet, QueryEvaluationException> Deprecated.Creates the iteration that should be iterated over.protected void
decrement
(int amount) Deprecated.protected void
Deprecated.Closes this iteration as well as the underlying iteration if it has already been created and happens to be aCloseableIteration
.protected void
Deprecated.void
remove()
Deprecated.Calls the remove method of the underlying iteration.private Stream
<BindingSet> sort
(Collection<BindingSet> collection) Deprecated.Methods inherited from class org.eclipse.rdf4j.common.iteration.DelayedIteration
hasNext, next
Methods inherited from class org.eclipse.rdf4j.common.iteration.AbstractCloseableIteration
close, isClosed
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.eclipse.rdf4j.common.iteration.CloseableIteration
stream
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Field Details
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iter
Deprecated. -
comparator
Deprecated. -
limit
private final long limitDeprecated. -
distinct
private final boolean distinctDeprecated. -
serialized
Deprecated. -
iterationSyncThreshold
private final long iterationSyncThresholdDeprecated.Number of items cached before internal collection is synced to disk. If set to 0, no disk-syncing is done and all internal caching is kept in memory.
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Constructor Details
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OrderIterator
public OrderIterator(CloseableIteration<BindingSet, QueryEvaluationException> iter, Comparator<BindingSet> comparator) Deprecated. -
OrderIterator
public OrderIterator(CloseableIteration<BindingSet, QueryEvaluationException> iter, Comparator<BindingSet> comparator, long limit, boolean distinct) Deprecated. -
OrderIterator
public OrderIterator(CloseableIteration<BindingSet, QueryEvaluationException> iter, Comparator<BindingSet> comparator, long limit, boolean distinct, long iterationSyncThreshold) Deprecated.
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Method Details
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createIteration
protected Iteration<BindingSet,QueryEvaluationException> createIteration() throws QueryEvaluationExceptionDeprecated.Description copied from class:DelayedIteration
Creates the iteration that should be iterated over. This method is called only once, when the iteration is first needed.- Specified by:
createIteration
in classDelayedIteration<BindingSet,
QueryEvaluationException> - Throws:
QueryEvaluationException
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increment
Deprecated.- Throws:
QueryEvaluationException
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decrement
Deprecated.- Throws:
QueryEvaluationException
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sort
Deprecated. -
remove
Deprecated.Description copied from class:DelayedIteration
Calls the remove method of the underlying iteration.- Specified by:
remove
in interfaceIteration<BindingSet,
QueryEvaluationException> - Overrides:
remove
in classDelayedIteration<BindingSet,
QueryEvaluationException> - Throws:
QueryEvaluationException
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handleClose
Deprecated.Description copied from class:DelayedIteration
Closes this iteration as well as the underlying iteration if it has already been created and happens to be aCloseableIteration
.- Overrides:
handleClose
in classDelayedIteration<BindingSet,
QueryEvaluationException> - Throws:
QueryEvaluationException
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