it.unibz.inf.ontop.iq.executor

Class InternalCompositeExecutor<P extends QueryOptimizationProposal<R>,R extends ProposalResults>

java.lang.Object

it.unibz.inf.ontop.iq.executor.InternalCompositeExecutor<P,R>

All Implemented Interfaces:

ProposalExecutor<P,R>

Direct Known Subclasses:

NodeCentricCompositeExecutor

public abstract class InternalCompositeExecutor<P extends QueryOptimizationProposal<R>,R extends ProposalResults>
extends Object
implements ProposalExecutor<P,R>

TODO: explain

Constructor Summary

Constructors

Constructor and Description
InternalCompositeExecutor()

Method Summary

Modifier and Type	Method and Description
R	apply(P initialProposal, IntermediateQuery query, QueryTreeComponent treeComponent)
protected abstract Optional<P>	createNewProposal(R results)
protected abstract com.google.common.collect.ImmutableList<? extends ProposalExecutor<P,R>>	getExecutors()

Methods inherited from class java.lang.Object

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

Constructor Detail

InternalCompositeExecutor

public InternalCompositeExecutor()

Method Detail

apply

public R apply(P initialProposal,
               IntermediateQuery query,
               QueryTreeComponent treeComponent)
        throws InvalidQueryOptimizationProposalException,
               EmptyQueryException

Specified by:

apply in interface ProposalExecutor<P extends QueryOptimizationProposal<R>,R extends ProposalResults>

Throws:

InvalidQueryOptimizationProposalException

EmptyQueryException

createNewProposal

protected abstract Optional<P> createNewProposal(R results)

getExecutors

protected abstract com.google.common.collect.ImmutableList<? extends ProposalExecutor<P,R>> getExecutors()