it.unibz.inf.ontop.iq.optimizer.impl

Class BasicLeftJoinMutableOptimizer

java.lang.Object

it.unibz.inf.ontop.iq.optimizer.impl.NodeCentricDepthFirstOptimizer<LeftJoinOptimizationProposal>

it.unibz.inf.ontop.iq.optimizer.impl.BasicLeftJoinMutableOptimizer

All Implemented Interfaces:

IntermediateQueryOptimizer, LeftJoinMutableOptimizer

public class BasicLeftJoinMutableOptimizer
extends NodeCentricDepthFirstOptimizer<LeftJoinOptimizationProposal>
implements LeftJoinMutableOptimizer

Method Summary

Modifier and Type	Method and Description
protected Optional<LeftJoinOptimizationProposal>	evaluateNode(QueryNode node, IntermediateQuery query)

Methods inherited from class it.unibz.inf.ontop.iq.optimizer.impl.NodeCentricDepthFirstOptimizer

optimize, optimizeQuery

Methods inherited from class java.lang.Object

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

Methods inherited from interface it.unibz.inf.ontop.iq.optimizer.IntermediateQueryOptimizer

optimize

Method Detail

evaluateNode

protected Optional<LeftJoinOptimizationProposal> evaluateNode(QueryNode node,
                                                              IntermediateQuery query)

Specified by:

evaluateNode in class NodeCentricDepthFirstOptimizer<LeftJoinOptimizationProposal>