org.eclipse.incquery.runtime.localsearch.planner

Class POperationCompiler

java.lang.Object

org.eclipse.incquery.runtime.localsearch.planner.POperationCompiler

public class POperationCompiler
extends java.lang.Object

An EMF specific plan compiler for the local search-based pattern matcher

Author:

Marton Bur

Constructor Summary

Constructors

Constructor and Description
POperationCompiler(IQueryRuntimeContext runtimeContext, IQueryBackend backend)
POperationCompiler(IQueryRuntimeContext runtimeContext, IQueryBackend backend, boolean baseIndexAvailable)

Method Summary

Modifier and Type	Method and Description
java.util.List<ISearchOperation>	compile(SubPlan plan, java.util.Set<java.lang.Integer> boundVariableIndexes) Compiles a plan of POperations to a list of type List<ISearchOperation>
java.util.Set<MatcherReference>	getDependencies()
java.util.Map<PVariable,java.lang.Integer>	getVariableMappings()

Methods inherited from class java.lang.Object

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

Constructor Detail

POperationCompiler

public POperationCompiler(IQueryRuntimeContext runtimeContext,
                          IQueryBackend backend)

POperationCompiler

public POperationCompiler(IQueryRuntimeContext runtimeContext,
                          IQueryBackend backend,
                          boolean baseIndexAvailable)

Method Detail

compile

public java.util.List<ISearchOperation> compile(SubPlan plan,
                                                java.util.Set<java.lang.Integer> boundVariableIndexes)
                                         throws QueryProcessingException

Compiles a plan of POperations to a list of type List<ISearchOperation>

Parameters:

plan -

boundVariableIndexes -

Returns:

an ordered list of POperations that make up the compiled search plan

Throws:

QueryProcessingException

getDependencies

public java.util.Set<MatcherReference> getDependencies()

getVariableMappings

public java.util.Map<PVariable,java.lang.Integer> getVariableMappings()

Returns:

the cached variable bindings for the previously created plan