org.qi4j.api.query.grammar
Class ComparisonSpecification<T>

java.lang.Object
  org.qi4j.api.query.grammar.ExpressionSpecification
      org.qi4j.api.query.grammar.ComparisonSpecification<T>

All Implemented Interfaces:

Specification<Composite>

Direct Known Subclasses:

EqSpecification, GeSpecification, GtSpecification, LeSpecification, LtSpecification, NeSpecification

public abstract class ComparisonSpecification<T>
extends ExpressionSpecification

Base comparison Specification.

Field Summary

protected PropertyFunction<T>	property
protected T	value

Constructor Summary

ComparisonSpecification(PropertyFunction<T> property, T value)

Method Summary

protected abstract boolean	compare(T value)
PropertyFunction<T>	property()
boolean	satisfiedBy(Composite item) Test whether an item matches the given specification
T	value()

Methods inherited from class org.qi4j.api.query.grammar.ExpressionSpecification

and, or

Methods inherited from class java.lang.Object

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

Field Detail

property

protected final PropertyFunction<T> property

value

protected final T value

Constructor Detail

ComparisonSpecification

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

Method Detail

property

public PropertyFunction<T> property()

satisfiedBy

public final boolean satisfiedBy(Composite item)

Description copied from interface: Specification

Test whether an item matches the given specification

Parameters:

item - the item to be tested

Returns:

true if the item matches, false otherwise

compare

protected abstract boolean compare(T value)

value

public T value()