cascading.pattern.model.tree.predicate
Class IsMissingPredicate

java.lang.Object
  cascading.pattern.model.tree.predicate.Predicate
      cascading.pattern.model.tree.predicate.SimplePredicate
          cascading.pattern.model.tree.predicate.IsMissingPredicate

All Implemented Interfaces:

Serializable

public class IsMissingPredicate
extends SimplePredicate

Class IsMissingPredicate returns true if the given field has a null value.

See Also:

Serialized Form

Constructor Summary

IsMissingPredicate(String field)

Method Summary

Boolean

evaluate(Object argument)

Methods inherited from class cascading.pattern.model.tree.predicate.SimplePredicate

getArgumentField, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

IsMissingPredicate

public IsMissingPredicate(String field)

Method Detail

evaluate

public Boolean evaluate(Object argument)

Specified by:

evaluate in class SimplePredicate