org.eiichiro.acidhouse

Class ComparableFilter<T extends Comparable<T>>

java.lang.Object

org.eiichiro.acidhouse.ComparableFilter<T>

All Implemented Interfaces:

Filter<T>

public class ComparableFilter<T extends Comparable<T>>
extends Object
implements Filter<T>

ComparableFilter is a Filter implementation to do filtering comparable property values (Make sure these property value types implements Comparable).

Author:

Eiichiro Uchiumi

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ComparableFilter.Operator Operator represents the type of property comparison operator.

Constructor Summary

Constructors

Constructor and Description
ComparableFilter(ComparableProperty<?,T> property, T value, ComparableFilter.Operator operator) Constructs a new ComparableFilter instance with the specified ComparableProperty, property value and operator type.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	matches(Object entity) Indicates the specified entity instance matches to this ComparableFilter.
ComparableFilter.Operator	operator() Returns the operator type this ComparableFilter does filtering.
Property<?,T>	property() Returns the property that this ComparableFilter does filtering.
String	toString() Returns the String representation of this instance.
T	value() Returns the value this ComparableFilter does filtering.

Methods inherited from class java.lang.Object

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

Constructor Detail

ComparableFilter

public ComparableFilter(ComparableProperty<?,T> property,
                T value,
                ComparableFilter.Operator operator)

Constructs a new ComparableFilter instance with the specified ComparableProperty, property value and operator type. This constructor is called by ComparableProperty's filtering methods.

Parameters:

property - The ComparableProperty instance

value - The property value

operator - The operator type.

Method Detail

property

public Property<?,T> property()

Returns the property that this ComparableFilter does filtering.

Specified by:

property in interface Filter<T extends Comparable<T>>

Returns:

The metamodel Property this Filter is applied to.

matches

public boolean matches(Object entity)

Indicates the specified entity instance matches to this ComparableFilter.

Specified by:

matches in interface Filter<T extends Comparable<T>>

Parameters:

entity - The entity to be filtered.

Returns:

Whether the specified entity matches to this Filter or not.

toString

public String toString()

Returns the String representation of this instance.

Overrides:

toString in class Object

operator

public ComparableFilter.Operator operator()

Returns the operator type this ComparableFilter does filtering.

value

public T value()

Returns the value this ComparableFilter does filtering.