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, java.util.function.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 void
meet(LeftJoin node)
Deprecated.void
meet(Union node)
Deprecated.void
meetMultiJoin(NaryJoin node)
Deprecated.void
meetOther(QueryModelNode node)
Deprecated.protected void
meetUnaryTupleOperator(UnaryTupleOperator node)
Deprecated.Method called by all meet methods with aUnaryTupleOperator
node as argument.void
optimize(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, java.util.function.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:
optimize
in interfaceQueryOptimizer
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meetOther
public void meetOther(QueryModelNode node) throws RepositoryException
Deprecated.- Specified by:
meetOther
in interfaceQueryModelVisitor<RepositoryException>
- Overrides:
meetOther
in 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:
meet
in interfaceQueryModelVisitor<RepositoryException>
- Overrides:
meet
in classAbstractQueryModelVisitor<RepositoryException>
- Throws:
RepositoryException
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meet
public void meet(Union node) throws RepositoryException
Deprecated.- Specified by:
meet
in interfaceQueryModelVisitor<RepositoryException>
- Overrides:
meet
in classAbstractQueryModelVisitor<RepositoryException>
- Throws:
RepositoryException
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meetUnaryTupleOperator
protected void meetUnaryTupleOperator(UnaryTupleOperator node) throws RepositoryException
Deprecated.Description copied from class:AbstractQueryModelVisitor
Method called by all meet methods with aUnaryTupleOperator
node as argument. Forwards the call toAbstractQueryModelVisitor.meetNode(org.eclipse.rdf4j.query.algebra.QueryModelNode)
by default.- Overrides:
meetUnaryTupleOperator
in classAbstractQueryModelVisitor<RepositoryException>
- Parameters:
node
- The node that is being visited.- Throws:
RepositoryException
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