Class QueryOptimizerList
- java.lang.Object
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- org.eclipse.rdf4j.query.algebra.evaluation.util.QueryOptimizerList
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- All Implemented Interfaces:
QueryOptimizer
public class QueryOptimizerList extends Object implements QueryOptimizer
A query optimizer that contains a list of other query optimizers, which are called consecutively when the list'soptimize(TupleExpr, Dataset, BindingSet)
method is called.- Author:
- Arjohn Kampman
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Field Summary
Fields Modifier and Type Field Description protected List<QueryOptimizer>
optimizers
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Constructor Summary
Constructors Constructor Description QueryOptimizerList()
QueryOptimizerList(List<QueryOptimizer> optimizers)
QueryOptimizerList(QueryOptimizer... optimizers)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
add(QueryOptimizer optimizer)
void
optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)
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Field Detail
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optimizers
protected List<QueryOptimizer> optimizers
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Constructor Detail
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QueryOptimizerList
public QueryOptimizerList()
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QueryOptimizerList
public QueryOptimizerList(List<QueryOptimizer> optimizers)
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QueryOptimizerList
public QueryOptimizerList(QueryOptimizer... optimizers)
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Method Detail
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add
public void add(QueryOptimizer optimizer)
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optimize
public void optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)
- Specified by:
optimize
in interfaceQueryOptimizer
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