Class LogicalTypeFilterExpression
- java.lang.Object
-
- com.apple.foundationdb.record.query.plan.temp.expressions.LogicalTypeFilterExpression
-
- All Implemented Interfaces:
Bindable
,Correlated<RelationalExpression>
,PlannerGraphRewritable
,RelationalExpressionWithChildren
,TypeFilterExpression
,RelationalExpression
@API(EXPERIMENTAL) public class LogicalTypeFilterExpression extends Object implements TypeFilterExpression, PlannerGraphRewritable
A relational planner expression that represents an unimplemented type filter on the records produced by its inner relational planner expression.- See Also:
for the fallback implementation
-
-
Constructor Summary
Constructors Constructor Description LogicalTypeFilterExpression(Set<String> recordTypes, Quantifier inner)
LogicalTypeFilterExpression(Set<String> recordTypes, RelationalExpression inner)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
equals(Object other)
List<? extends Quantifier>
getQuantifiers()
Return an iterator of references to the children of this planner expression.Set<String>
getRecordTypes()
int
getRelationalChildCount()
int
hashCode()
LogicalTypeFilterExpression
rebase(AliasMap translationMap)
Rebases this and all other objects this objects is composed of using a given translation map.LogicalTypeFilterExpression
rebaseWithRebasedQuantifiers(AliasMap translationMap, List<Quantifier> rebasedQuantifiers)
PlannerGraph
rewritePlannerGraph(List<? extends PlannerGraph> childGraphs)
Method to rewrite the planner graph.-
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
-
Methods inherited from interface com.apple.foundationdb.record.query.plan.temp.RelationalExpression
acceptPropertyVisitor, bindTo, canCorrelate, semanticEquals, semanticEquals, semanticHashCode, show
-
Methods inherited from interface com.apple.foundationdb.record.query.plan.temp.expressions.RelationalExpressionWithChildren
getCorrelatedTo
-
Methods inherited from interface com.apple.foundationdb.record.query.plan.temp.expressions.TypeFilterExpression
equalsWithoutChildren, getCorrelatedToWithoutChildren, hashCodeWithoutChildren
-
-
-
-
Constructor Detail
-
LogicalTypeFilterExpression
public LogicalTypeFilterExpression(@Nonnull Set<String> recordTypes, @Nonnull RelationalExpression inner)
-
LogicalTypeFilterExpression
public LogicalTypeFilterExpression(@Nonnull Set<String> recordTypes, @Nonnull Quantifier inner)
-
-
Method Detail
-
getQuantifiers
@Nonnull public List<? extends Quantifier> getQuantifiers()
Description copied from interface:RelationalExpression
Return an iterator of references to the children of this planner expression. The iterators returned by different calls are guaranteed to be independent (i.e., advancing one will not advance another). However, they might point to the same object, as whenCollections.emptyIterator()
is returned. The returned iterator should be treated as an immutable object and may throw an exception ifIterator.remove()
is called. The iterator must return its elements in a consistent order.- Specified by:
getQuantifiers
in interfaceRelationalExpression
- Returns:
- an iterator of references to the children of this planner expression
-
getRecordTypes
@Nonnull public Set<String> getRecordTypes()
- Specified by:
getRecordTypes
in interfaceTypeFilterExpression
-
getRelationalChildCount
public int getRelationalChildCount()
- Specified by:
getRelationalChildCount
in interfaceRelationalExpressionWithChildren
-
rebase
@Nonnull public LogicalTypeFilterExpression rebase(@Nonnull AliasMap translationMap)
Description copied from interface:Correlated
Rebases this and all other objects this objects is composed of using a given translation map.- Specified by:
rebase
in interfaceCorrelated<RelationalExpression>
- Specified by:
rebase
in interfaceRelationalExpressionWithChildren
- Specified by:
rebase
in interfaceTypeFilterExpression
- Parameters:
translationMap
- a map defining a translation fromCorrelationIdentifier
sids
toCorrelationIdentifier
sids'
. After the rebase, every correlation to anid
containedids
that is contained or referred to directly or indirectly bythis
must have been transformed to use the mapped counterpart ofid
id'
inids'
. IDs not contained in the translation map must remain unmodified by the rebase operation.- Returns:
- a new entity that has been rebased
-
rebaseWithRebasedQuantifiers
@Nonnull public LogicalTypeFilterExpression rebaseWithRebasedQuantifiers(@Nonnull AliasMap translationMap, @Nonnull List<Quantifier> rebasedQuantifiers)
- Specified by:
rebaseWithRebasedQuantifiers
in interfaceRelationalExpressionWithChildren
-
rewritePlannerGraph
@Nonnull public PlannerGraph rewritePlannerGraph(@Nonnull List<? extends PlannerGraph> childGraphs)
Description copied from interface:PlannerGraphRewritable
Method to rewrite the planner graph.- Specified by:
rewritePlannerGraph
in interfacePlannerGraphRewritable
- Parameters:
childGraphs
- planner graphs of children expression that already have been computed- Returns:
- a new planner graph that can combine the
childGraph
s in a meaningful way. Note that there is no obligation to use thechildGraph
s at all, this method can create a new independent planner graph completely from scratch.
-
-