org.openrdf.sail.optimistic.helpers
Class DeltaMerger

java.lang.Object
  org.openrdf.query.algebra.helpers.QueryModelVisitorBase<RuntimeException>
      org.openrdf.sail.optimistic.helpers.DeltaMerger

All Implemented Interfaces:

QueryOptimizer, QueryModelVisitor<RuntimeException>

public class DeltaMerger
extends QueryModelVisitorBase<RuntimeException>
implements QueryOptimizer

Move delta changes into the query model.

Author:

James Leigh

Constructor Summary

DeltaMerger(Model added, BindingSet additional)

DeltaMerger(Model added, Model removed)

Method Summary

boolean	isModified()
void	meet(StatementPattern sp)
void	optimize(TupleExpr query, Dataset dataset, BindingSet bindings)

Methods inherited from class org.openrdf.query.algebra.helpers.QueryModelVisitorBase

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, meetNode, meetOther, meetSubQueryValueOperator, meetUnaryTupleOperator, meetUnaryValueOperator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DeltaMerger

public DeltaMerger(Model added,
                   Model removed)

DeltaMerger

public DeltaMerger(Model added,
                   BindingSet additional)

Method Detail

isModified

public boolean isModified()

optimize

public void optimize(TupleExpr query,
                     Dataset dataset,
                     BindingSet bindings)

Specified by:

optimize in interface QueryOptimizer

meet

public void meet(StatementPattern sp)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException