se.lth.cs.nlp.nlputils.core
Class Predicate<T>

java.lang.Object
  se.lth.cs.nlp.nlputils.core.Predicate<T>

public abstract class Predicate<T>
extends Object

A callable one-argument predicate.

Author:

Richard Johansson (richard@cs.lth.se)

Field Summary

static Predicate	FALSE A predicate that always returns false.
protected Object	in Initiation parameter.
static Predicate	TRUE A predicate that always returns true.

Constructor Summary

Predicate()
Initiates the predicate.

Predicate(Object in)
Initiates the predicate with a parameter.

Method Summary

abstract boolean

apply(T o) Calls this predicate.

Methods inherited from class java.lang.Object

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

Field Detail

TRUE

public static final Predicate TRUE

A predicate that always returns true.

FALSE

public static final Predicate FALSE

A predicate that always returns false.

in

protected Object in

Initiation parameter.

Constructor Detail

Predicate

public Predicate()

Initiates the predicate.

Predicate

public Predicate(Object in)

Initiates the predicate with a parameter.

Parameters:

in - an initiation parameter.

Method Detail

apply

public abstract boolean apply(T o)

Calls this predicate.

Parameters:

o - the object to test.

Returns:

the value of the predicate on the object o.