Package org.apache.qpid.server.query.engine.parsing.expression

Interface Expression<T,R>

Type Parameters:

T - Input parameter type

R - Return parameter type

All Superinterfaces:

java.util.function.Function<T,R>

All Known Subinterfaces:

ExpressionNode<T,R>, SetExpression<T,R>

All Known Implementing Classes:

AbsExpression, AbstractAggregationExpression, AbstractArithmeticExpression, AbstractComparisonExpression, AbstractExpressionNode, AbstractFunctionExpression, AbstractSetExpression, AndExpression, AvgExpression, BetweenExpression, CaseExpression, ChainedObjectAccessor, CoalesceExpression, CollectionObjectAccessor, ConcatExpression, ConfiguredObjectAccessorExpression, ConstantExpression, CountExpression, CurrentTimestampExpression, DateAddExpression, DateDiffExpression, DateExpression, DelegatingCollectionAccessorExpression, DelegatingObjectAccessor, DivideExpression, EmptySetExpression, EqualExpression, ExpressionWrapperExpression, ExtractExpression, FalseLiteralExpression, FromExpression, GreaterThanExpression, GreaterThanOrEqualExpression, HavingExpression, InExpression, IntersectExpression, IsNullExpression, LeftTrimExpression, LengthExpression, LessThanExpression, LessThanOrEqualExpression, LikeExpression, LowerExpression, MapObjectAccessor, MaxExpression, MinExpression, MinusExpression, MinusExpression, ModExpression, MultiplyExpression, NotExpression, NullLiteralExpression, NumberLiteralExpression, ObjectAccessorExpression, OrExpression, PlusExpression, PositionExpression, PredicateWrapperExpression, ProjectionExpression, QueryExpression, ReplaceExpression, RightTrimExpression, RoundExpression, SelectExpression, StringLiteralExpression, SubstringExpression, SumExpression, TrimExpression, TrueLiteralExpression, TruncExpression, UnionExpression, UpperExpression

public interface Expression<T,R>
extends java.util.function.Function<T,R>

Function extension on which most expression are based on

Method Summary

Modifier and Type	Method	Description
default <V> Expression<T,V>	andThen(Expression<? super R,? extends V> after)
R	apply(T value)

Methods inherited from interface java.util.function.Function

andThen, compose

Method Detail

apply

R apply(T value)

Specified by:

apply in interface java.util.function.Function<T,R>

andThen

default <V> Expression<T,V> andThen(Expression<? super R,? extends V> after)