Package com.apple.foundationdb.record.query.plan.temp

Class ExpressionRefTraversal.FullyTraversableExpressionRef<T extends RelationalExpression>

java.lang.Object

com.apple.foundationdb.record.query.plan.temp.ExpressionRefDelegate<T>

com.apple.foundationdb.record.query.plan.temp.ExpressionRefTraversal.FullyTraversableExpressionRef<T>

Type Parameters:

T - type

All Implemented Interfaces:

Bindable, Correlated<ExpressionRef<T>>, ExpressionRef<T>

Enclosing class:

ExpressionRefTraversal

public class ExpressionRefTraversal.FullyTraversableExpressionRef<T extends RelationalExpression>
extends ExpressionRefDelegate<T>

Expression reference that provides some additional functionality to navigate to parents, leaves, etc.

Nested Class Summary

Nested classes/interfaces inherited from interface com.apple.foundationdb.record.query.plan.temp.ExpressionRef

ExpressionRef.UngettableReferenceException

Constructor Summary

Constructors

Constructor	Description
FullyTraversableExpressionRef(ExpressionRef<T> delegate)

Method Summary

Modifier and Type	Method	Description
Set<ExpressionRefTraversal.FullyTraversableExpressionRef<? extends RelationalExpression>>	getParentRefs()	Return all expression references (as ExpressionRefTraversal.FullyTraversableExpressionRefs) that contain a path from parent -> expression -> quantifier -> this reference

Methods inherited from class com.apple.foundationdb.record.query.plan.temp.ExpressionRefDelegate

acceptPropertyVisitor, bindWithin, containsAllInMemo, flatMapNullable, get, getCorrelatedTo, getDelegate, getMembers, getNewRefWith, insert, map, rebase, semanticEquals, semanticHashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.apple.foundationdb.record.query.plan.temp.ExpressionRef

bindTo

Constructor Detail

FullyTraversableExpressionRef

public FullyTraversableExpressionRef(ExpressionRef<T> delegate)

Method Detail

getParentRefs

@Nonnull
public Set<ExpressionRefTraversal.FullyTraversableExpressionRef<? extends RelationalExpression>> getParentRefs()

Return all expression references (as ExpressionRefTraversal.FullyTraversableExpressionRefs) that contain a path from parent -> expression -> quantifier -> this reference

Returns:

the set of references that are considered parents of this reference.