water.udf.fp

Class Predicate<X>

java.lang.Object

water.udf.fp.Predicate<X>

All Implemented Interfaces:

java.io.Serializable, Function<X,java.lang.Boolean>

public abstract class Predicate<X>
extends java.lang.Object
implements Function<X,java.lang.Boolean>

Represents a single-argument function

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static Predicate<java.lang.Object>	NOT_NULL

Constructor Summary

Constructors

Constructor and Description
Predicate()

Method Summary

Methods

Modifier and Type	Method and Description
<Y extends X> java.util.List<Y>	filter(java.util.List<Y> xs)

Methods inherited from class java.lang.Object

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

Methods inherited from interface water.udf.fp.Function

apply

Field Detail

NOT_NULL

public static Predicate<java.lang.Object> NOT_NULL

Constructor Detail

Predicate

public Predicate()

Method Detail

filter

public <Y extends X> java.util.List<Y> filter(java.util.List<Y> xs)