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

Class BetweenExpression<T,R>

java.lang.Object

org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode<T,R>

org.apache.qpid.server.query.engine.parsing.expression.comparison.AbstractComparisonExpression<T,java.lang.Boolean>

org.apache.qpid.server.query.engine.parsing.expression.comparison.BetweenExpression<T,R>

Type Parameters:

T - Input parameter type

R - Output parameter type

All Implemented Interfaces:

java.util.function.Function<T,java.lang.Boolean>, java.util.function.Predicate<T>, Expression<T,java.lang.Boolean>, ExpressionNode<T,java.lang.Boolean>

public class BetweenExpression<T,R>
extends AbstractComparisonExpression<T,java.lang.Boolean>

Comparison BETWEEN operation. Evaluates given value against low and high parameters (inclusive).

Field Summary

Fields inherited from class org.apache.qpid.server.query.engine.parsing.expression.comparison.AbstractComparisonExpression

_operator

Fields inherited from class org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode

_metadata

Constructor Summary

Constructors

Constructor	Description
BetweenExpression(java.lang.String alias, ExpressionNode<T,?> left, ExpressionNode<T,?> low, ExpressionNode<T,?> high)	Constructor initializes children expression list

Method Summary

Modifier and Type	Method	Description
java.lang.Boolean	apply(T value)	Performs BETWEEN comparison using parameters and the value supplied

Methods inherited from class org.apache.qpid.server.query.engine.parsing.expression.comparison.AbstractComparisonExpression

getAlias, test

Methods inherited from class org.apache.qpid.server.query.engine.parsing.expression.AbstractExpressionNode

containsAggregation, ctx, evaluateChild, getAggregations, getChild, getChildren, getParent, isAccessor, isInstantlyEvaluable, setAlias, setParent, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.qpid.server.query.engine.parsing.expression.Expression

andThen

Methods inherited from interface java.util.function.Function

andThen, compose

Methods inherited from interface java.util.function.Predicate

and, negate, or

Constructor Detail

BetweenExpression

public BetweenExpression(java.lang.String alias,
                         ExpressionNode<T,?> left,
                         ExpressionNode<T,?> low,
                         ExpressionNode<T,?> high)

Constructor initializes children expression list

Parameters:

alias - Expression alias

left - Left child expression

low - Low child expression

high - High child expression

Method Detail

apply

public java.lang.Boolean apply(T value)

Performs BETWEEN comparison using parameters and the value supplied

Parameters:

value - Object to handle

Returns:

Boolean result of value evaluation