Class FederationJoinOptimizer
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.helpers.AbstractQueryModelVisitor<RepositoryException>
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- org.eclipse.rdf4j.sail.federation.optimizers.FederationJoinOptimizer
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- All Implemented Interfaces:
QueryOptimizer,QueryModelVisitor<RepositoryException>
@Deprecated public class FederationJoinOptimizer extends AbstractQueryModelVisitor<RepositoryException> implements QueryOptimizer
Deprecated.since 3.1.0. This module will be replaced by the new FedX federation module.Search for Join, LeftJoin, and Union arguments that can be evaluated in a single member.- Author:
- James Leigh
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Constructor Summary
Constructors Constructor Description FederationJoinOptimizer(Collection<? extends RepositoryConnection> members, boolean distinct, PrefixHashSet localSpace)Deprecated.FederationJoinOptimizer(Collection<? extends RepositoryConnection> members, boolean distinct, PrefixHashSet localSpace, Function<? super Repository,? extends RepositoryBloomFilter> bloomFilters)Deprecated.
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Method Summary
All Methods Instance Methods Concrete Methods Deprecated Methods Modifier and Type Method Description voidmeet(LeftJoin node)Deprecated.voidmeet(Union node)Deprecated.voidmeetMultiJoin(NaryJoin node)Deprecated.voidmeetOther(QueryModelNode node)Deprecated.protected voidmeetUnaryTupleOperator(UnaryTupleOperator node)Deprecated.Method called by all meet methods with aUnaryTupleOperatornode as argument.voidoptimize(TupleExpr query, Dataset dataset, BindingSet bindings)Deprecated.-
Methods inherited from class org.eclipse.rdf4j.query.algebra.helpers.AbstractQueryModelVisitor
meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meetBinaryTupleOperator, meetBinaryValueOperator, meetCompareSubQueryValueOperator, meetNAryValueOperator, meetNode, meetSubQueryValueOperator, meetUnaryValueOperator, meetUpdateExpr
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Constructor Detail
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FederationJoinOptimizer
public FederationJoinOptimizer(Collection<? extends RepositoryConnection> members, boolean distinct, PrefixHashSet localSpace)
Deprecated.
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FederationJoinOptimizer
public FederationJoinOptimizer(Collection<? extends RepositoryConnection> members, boolean distinct, PrefixHashSet localSpace, Function<? super Repository,? extends RepositoryBloomFilter> bloomFilters)
Deprecated.
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Method Detail
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optimize
public void optimize(TupleExpr query, Dataset dataset, BindingSet bindings)
Deprecated.- Specified by:
optimizein interfaceQueryOptimizer
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meetOther
public void meetOther(QueryModelNode node) throws RepositoryException
Deprecated.- Specified by:
meetOtherin interfaceQueryModelVisitor<RepositoryException>- Overrides:
meetOtherin classAbstractQueryModelVisitor<RepositoryException>- Throws:
RepositoryException
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meetMultiJoin
public void meetMultiJoin(NaryJoin node) throws RepositoryException
Deprecated.- Throws:
RepositoryException
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meet
public void meet(LeftJoin node) throws RepositoryException
Deprecated.- Specified by:
meetin interfaceQueryModelVisitor<RepositoryException>- Overrides:
meetin classAbstractQueryModelVisitor<RepositoryException>- Throws:
RepositoryException
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meet
public void meet(Union node) throws RepositoryException
Deprecated.- Specified by:
meetin interfaceQueryModelVisitor<RepositoryException>- Overrides:
meetin classAbstractQueryModelVisitor<RepositoryException>- Throws:
RepositoryException
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meetUnaryTupleOperator
protected void meetUnaryTupleOperator(UnaryTupleOperator node) throws RepositoryException
Deprecated.Description copied from class:AbstractQueryModelVisitorMethod called by all meet methods with aUnaryTupleOperatornode as argument. Forwards the call toAbstractQueryModelVisitor.meetNode(org.eclipse.rdf4j.query.algebra.QueryModelNode)by default.- Overrides:
meetUnaryTupleOperatorin classAbstractQueryModelVisitor<RepositoryException>- Parameters:
node- The node that is being visited.- Throws:
RepositoryException
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