Class LeftJoinQueryEvaluationStep
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.impl.evaluationsteps.LeftJoinQueryEvaluationStep
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- All Implemented Interfaces:
QueryEvaluationStep
public final class LeftJoinQueryEvaluationStep extends java.lang.Object implements QueryEvaluationStep
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Nested Class Summary
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Nested classes/interfaces inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryEvaluationStep
QueryEvaluationStep.DelayedEvaluationIteration
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Field Summary
Fields Modifier and Type Field Description private QueryValueEvaluationStep
condition
private QueryEvaluationStep
left
private LeftJoin
leftJoin
private java.util.Set<java.lang.String>
optionalVars
private QueryEvaluationStep
right
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Fields inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryEvaluationStep
EMPTY, EMPTY_ITERATION
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Constructor Summary
Constructors Constructor Description LeftJoinQueryEvaluationStep(QueryEvaluationStep right, QueryValueEvaluationStep condition, QueryEvaluationStep left, LeftJoin leftJoin, java.util.Set<java.lang.String> optionalVars)
LeftJoinQueryEvaluationStep(QueryEvaluationStep right, QueryValueEvaluationStep condition, QueryEvaluationStep left, LeftJoin leftJoin, VarNameCollector optionalVarCollector)
Deprecated, for removal: This API element is subject to removal in a future version.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description CloseableIteration<BindingSet,QueryEvaluationException>
evaluate(BindingSet bindings)
static QueryEvaluationStep
supply(EvaluationStrategy strategy, LeftJoin leftJoin, QueryEvaluationContext context)
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Field Detail
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right
private final QueryEvaluationStep right
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condition
private final QueryValueEvaluationStep condition
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left
private final QueryEvaluationStep left
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leftJoin
private final LeftJoin leftJoin
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optionalVars
private final java.util.Set<java.lang.String> optionalVars
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Constructor Detail
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LeftJoinQueryEvaluationStep
@Deprecated(forRemoval=true, since="4.1.0") public LeftJoinQueryEvaluationStep(QueryEvaluationStep right, QueryValueEvaluationStep condition, QueryEvaluationStep left, LeftJoin leftJoin, VarNameCollector optionalVarCollector)
Deprecated, for removal: This API element is subject to removal in a future version.
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LeftJoinQueryEvaluationStep
public LeftJoinQueryEvaluationStep(QueryEvaluationStep right, QueryValueEvaluationStep condition, QueryEvaluationStep left, LeftJoin leftJoin, java.util.Set<java.lang.String> optionalVars)
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Method Detail
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supply
public static QueryEvaluationStep supply(EvaluationStrategy strategy, LeftJoin leftJoin, QueryEvaluationContext context)
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evaluate
public CloseableIteration<BindingSet,QueryEvaluationException> evaluate(BindingSet bindings)
- Specified by:
evaluate
in interfaceQueryEvaluationStep
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