Class StatementSourcePattern
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.AbstractQueryModelNode
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- org.eclipse.rdf4j.query.algebra.StatementPattern
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- org.eclipse.rdf4j.federated.algebra.FedXStatementPattern
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- org.eclipse.rdf4j.federated.algebra.StatementSourcePattern
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- All Implemented Interfaces:
Serializable
,Cloneable
,BoundJoinTupleExpr
,FedXTupleExpr
,FilterTuple
,QueryRef
,StatementTupleExpr
,VariableExpr
,GraphPatternGroupable
,QueryModelNode
,TupleExpr
,VariableScopeChange
public class StatementSourcePattern extends FedXStatementPattern
Represents statements that can produce results at a some particular endpoints, the statement sources.- Author:
- Andreas Schwarte
- See Also:
StatementSource
, Serialized Form
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Nested Class Summary
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Nested classes/interfaces inherited from class org.eclipse.rdf4j.query.algebra.StatementPattern
StatementPattern.Scope
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Field Summary
Fields Modifier and Type Field Description protected FederationContext
federationContext
protected boolean
usePreparedQuery
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Fields inherited from class org.eclipse.rdf4j.federated.algebra.FedXStatementPattern
boundFilters, filterExpr, freeVars, id, queryInfo, statementSources, upperLimit
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Fields inherited from class org.eclipse.rdf4j.query.algebra.StatementPattern
CARDINALITY_NOT_SET
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Constructor Summary
Constructors Constructor Description StatementSourcePattern(StatementPattern node, QueryInfo queryInfo)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addStatementSource(StatementSource statementSource)
CloseableIteration<BindingSet,QueryEvaluationException>
evaluate(BindingSet bindings)
Evaluate this expression using the provided bindingsprotected CloseableIteration<BindingSet,QueryEvaluationException>
handleStatementSourcePatternCheck(BindingSet bindings)
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Methods inherited from class org.eclipse.rdf4j.federated.algebra.FedXStatementPattern
addBoundFilter, addFilterExpr, getBoundFilters, getFilterExpr, getFreeVarCount, getFreeVars, getId, getQueryInfo, getSourceCount, getStatementSources, getUpperLimit, hasFilter, hasFreeVarsFor, initFreeVars, setUpperLimit, visit, visitChildren
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Methods inherited from class org.eclipse.rdf4j.query.algebra.StatementPattern
clone, equals, getAssuredBindingNames, getBindingNames, getContextVar, getObjectVar, getPredicateVar, getScope, getSignature, getSubjectVar, getVarList, getVars, hashCode, replaceChildNode, setContextVar, setObjectVar, setPredicateVar, setScope, setSubjectVar, shouldCacheCardinality
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Methods inherited from class org.eclipse.rdf4j.query.algebra.AbstractQueryModelNode
getCardinality, getCostEstimate, getParentNode, getResultSizeActual, getResultSizeEstimate, getTotalTimeNanosActual, isCardinalitySet, isGraphPatternGroup, isVariableScopeChange, nullEquals, replaceNodeInList, replaceWith, resetCardinality, setCardinality, setCostEstimate, setGraphPatternGroup, setParentNode, setResultSizeActual, setResultSizeEstimate, setTotalTimeNanosActual, setVariableScopeChange, toString
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Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.eclipse.rdf4j.query.algebra.QueryModelNode
equals, getCostEstimate, getParentNode, getResultSizeActual, getResultSizeEstimate, getSignature, getTotalTimeNanosActual, replaceChildNode, replaceWith, setCostEstimate, setParentNode, setResultSizeActual, setResultSizeEstimate, setTotalTimeNanosActual, toString
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Methods inherited from interface org.eclipse.rdf4j.query.algebra.TupleExpr
clone, getAssuredBindingNames, getBindingNames
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Field Detail
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usePreparedQuery
protected boolean usePreparedQuery
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federationContext
protected final FederationContext federationContext
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Constructor Detail
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StatementSourcePattern
public StatementSourcePattern(StatementPattern node, QueryInfo queryInfo)
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Method Detail
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addStatementSource
public void addStatementSource(StatementSource statementSource)
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evaluate
public CloseableIteration<BindingSet,QueryEvaluationException> evaluate(BindingSet bindings) throws QueryEvaluationException
Description copied from interface:StatementTupleExpr
Evaluate this expression using the provided bindings- Returns:
- the result iteration
- Throws:
QueryEvaluationException
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handleStatementSourcePatternCheck
protected CloseableIteration<BindingSet,QueryEvaluationException> handleStatementSourcePatternCheck(BindingSet bindings) throws RepositoryException, MalformedQueryException, QueryEvaluationException
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