public final Class UniquePredicate<T>

Class Inheritance

extends Object
implements Predicate<T>, Serializable

All Implemented Interfaces

Imports

Predicate implementation that returns true the first time an object is passed into the predicate.

Field Summary

Modifier and Type	Field and Description
private final Set<T>	iSet The set of previously seen objects
private static final long	serialVersionUID Serial version UID

Access	Constructor and Description
public	UniquePredicate() Constructor that performs no validation.

Modifier and Type	Method and Description
public boolean	Returns: true if this is the first time the object is seen evaluate(final T the input object object) Implements org.apache.commons.collections4.Predicate.evaluate. Evaluates the predicate returning true if the input object hasn't been received yet.
public static < the type that the predicate queries T> Predicate<T>	Returns: the predicate uniquePredicate() Factory to create the predicate.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

iSet	back to summary
private final Set<T> iSet The set of previously seen objects

serialVersionUID	back to summary
private static final long serialVersionUID Serial version UID

UniquePredicate	back to summary
public UniquePredicate() Constructor that performs no validation. Use `uniquePredicate` if you want that.

evaluate	back to summary
public boolean evaluate(final T object) Implements org.apache.commons.collections4.Predicate.evaluate. Evaluates the predicate returning true if the input object hasn't been received yet. Parameters object:T the input object Returns:boolean true if this is the first time the object is seen Annotations @Override

evaluate

public boolean evaluate(final T object)

Evaluates the predicate returning true if the input object hasn't been received yet.

Parameters

Returns:boolean

true if this is the first time the object is seen

Annotations

uniquePredicate	back to summary
public static <T> Predicate<T> uniquePredicate() Factory to create the predicate. Parameters <T> the type that the predicate queries Returns:Predicate<T> the predicate Exceptions IllegalArgumentException: if the predicate is null

uniquePredicate

public static <T> Predicate<T> uniquePredicate()

Factory to create the predicate.

Parameters

Returns:Predicate<T>

the predicate

Exceptions