org.eclipse.viatra.query.runtime.rete.construction.plancompiler

Class CompilerHelper.JoinHelper

java.lang.Object

org.eclipse.viatra.query.runtime.rete.construction.plancompiler.CompilerHelper.JoinHelper

Enclosing class:

CompilerHelper

public static class CompilerHelper.JoinHelper
extends java.lang.Object

Calculated index mappings for a join, based on the common variables of the two parent subplans.

Constructor Summary

Constructors

Constructor and Description
JoinHelper(SubPlan planToCompile, PlanningTrace primaryCompiled, PlanningTrace callTrace)

Method Summary

Modifier and Type	Method and Description
TupleMask	getComplementerMask()
JoinRecipe	getNaturalJoinRecipe()
java.util.List<PVariable>	getNaturalJoinVariablesTuple()
RecipeTraceInfo	getPrimaryIndexer()
TupleMask	getPrimaryMask()
RecipeTraceInfo	getSecondaryIndexer()
TupleMask	getSecondaryMask()

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinHelper

public JoinHelper(SubPlan planToCompile,
                  PlanningTrace primaryCompiled,
                  PlanningTrace callTrace)

Method Detail

getPrimaryMask

public TupleMask getPrimaryMask()

getSecondaryMask

public TupleMask getSecondaryMask()

getComplementerMask

public TupleMask getComplementerMask()

getPrimaryIndexer

public RecipeTraceInfo getPrimaryIndexer()

getSecondaryIndexer

public RecipeTraceInfo getSecondaryIndexer()

getNaturalJoinRecipe

public JoinRecipe getNaturalJoinRecipe()

getNaturalJoinVariablesTuple

public java.util.List<PVariable> getNaturalJoinVariablesTuple()