org.apache.polygene.api.query.grammar

Class ComparisonPredicate<T>

java.lang.Object

org.apache.polygene.api.query.grammar.ExpressionPredicate

org.apache.polygene.api.query.grammar.ComparisonPredicate<T>

All Implemented Interfaces:

Predicate<Composite>

Direct Known Subclasses:

EqPredicate, GePredicate, GtPredicate, LePredicate, LtPredicate, NePredicate

public abstract class ComparisonPredicate<T>
extends ExpressionPredicate

Base comparison Specification.

Field Summary

Fields

Modifier and Type	Field and Description
protected PropertyFunction<T>	property
protected T	value

Constructor Summary

Constructors

Constructor and Description
ComparisonPredicate(PropertyFunction<T> property, T value)

Method Summary

Modifier and Type	Method and Description
protected abstract boolean	compare(T value)
PropertyFunction<T>	property()
boolean	test(Composite item)
T	value()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.function.Predicate

and, isEqual, negate, or

Field Detail

property

protected final PropertyFunction<T> property

value

protected final T value

Constructor Detail

ComparisonPredicate

public ComparisonPredicate(PropertyFunction<T> property,
                           T value)

Method Detail

property

public PropertyFunction<T> property()

test

public final boolean test(Composite item)

compare

protected abstract boolean compare(T value)

value

public T value()