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

Class PostProcessableFunctionLifterImpl.LiftState

java.lang.Object

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

Enclosing class:

PostProcessableFunctionLifterImpl

public static class PostProcessableFunctionLifterImpl.LiftState
extends Object

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LiftState(com.google.common.collect.ImmutableList<IQTree> children, com.google.common.collect.ImmutableSet<Variable> unionVariables, com.google.common.collect.ImmutableList<ConstructionNode> ancestors, Variable childIdVariable, VariableGenerator variableGenerator, CoreSingletons coreSingletons)
	LiftState(com.google.common.collect.ImmutableList<IQTree> children, com.google.common.collect.ImmutableSet<Variable> unionVariables, VariableGenerator variableGenerator, CoreSingletons coreSingletons) Initial constructor

Method Summary

Modifier and Type	Method and Description
protected Optional<DBTermType>	extractType(Variable variable, com.google.common.collect.ImmutableList<PostProcessableFunctionLifterImpl.ChildDefinitionLift> childDefinitionLifts)
IQTree	generateTree(IntermediateQueryFactory iqFactory)
com.google.common.collect.ImmutableList<IQTree>	getChildren()
com.google.common.collect.ImmutableSet<Variable>	getUnionVariables()
protected PostProcessableFunctionLifterImpl.ChildDefinitionLift	liftDefinition(IQTree childTree, int position, Variable variable, com.google.common.collect.ImmutableSet<Variable> unionVariables, Variable idVariable)
PostProcessableFunctionLifterImpl.LiftState	liftVariable(Variable variable)
protected ImmutableFunctionalTerm	mergeDefinitions(Variable idVariable, com.google.common.collect.ImmutableList<PostProcessableFunctionLifterImpl.ChildDefinitionLift> childDefinitionLifts)
protected IQTree	padChild(IQTree partiallyPaddedChild, com.google.common.collect.ImmutableMap<Variable,Optional<DBTermType>> newVarTypeMap)

Methods inherited from class java.lang.Object

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

Constructor Detail

LiftState

public LiftState(com.google.common.collect.ImmutableList<IQTree> children,
                 com.google.common.collect.ImmutableSet<Variable> unionVariables,
                 VariableGenerator variableGenerator,
                 CoreSingletons coreSingletons)

Initial constructor

LiftState

protected LiftState(com.google.common.collect.ImmutableList<IQTree> children,
                    com.google.common.collect.ImmutableSet<Variable> unionVariables,
                    com.google.common.collect.ImmutableList<ConstructionNode> ancestors,
                    @Nullable
                    Variable childIdVariable,
                    VariableGenerator variableGenerator,
                    CoreSingletons coreSingletons)

Method Detail

generateTree

public IQTree generateTree(IntermediateQueryFactory iqFactory)

getUnionVariables

public com.google.common.collect.ImmutableSet<Variable> getUnionVariables()

getChildren

public com.google.common.collect.ImmutableList<IQTree> getChildren()

liftVariable

public PostProcessableFunctionLifterImpl.LiftState liftVariable(Variable variable)

liftDefinition

protected PostProcessableFunctionLifterImpl.ChildDefinitionLift liftDefinition(IQTree childTree,
                                                                               int position,
                                                                               Variable variable,
                                                                               com.google.common.collect.ImmutableSet<Variable> unionVariables,
                                                                               Variable idVariable)

mergeDefinitions

protected ImmutableFunctionalTerm mergeDefinitions(Variable idVariable,
                                                   com.google.common.collect.ImmutableList<PostProcessableFunctionLifterImpl.ChildDefinitionLift> childDefinitionLifts)

extractType

protected Optional<DBTermType> extractType(Variable variable,
                                           com.google.common.collect.ImmutableList<PostProcessableFunctionLifterImpl.ChildDefinitionLift> childDefinitionLifts)

padChild

protected IQTree padChild(IQTree partiallyPaddedChild,
                          com.google.common.collect.ImmutableMap<Variable,Optional<DBTermType>> newVarTypeMap)