uk.gov.gchq.gaffer.function

Class IsA

java.lang.Object

uk.gov.gchq.gaffer.function.ConsumerFunction

uk.gov.gchq.gaffer.function.FilterFunction

uk.gov.gchq.gaffer.function.SimpleFilterFunction<Object>

uk.gov.gchq.gaffer.function.IsA

All Implemented Interfaces:

Function

public class IsA
extends SimpleFilterFunction<Object>

An IsA FilterFunction tests whether an input Object is an instance of some control Class.

Constructor Summary

Constructors

Constructor and Description
IsA() Default constructor - used for serialisation.
IsA(Class<?> type) Create an IsA filter that tests for instances of a given control Class.
IsA(String type) Create an IsA filter that tests for instances of a given control class name.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
String	getType()
int	hashCode()
boolean	isValid(Object input) Tests whether the argument supplied to this method is an instance of the control class.
void	setType(String type)
IsA	statelessClone() Create a new IsA filter with the same control class as this one.
String	toString()

Methods inherited from class uk.gov.gchq.gaffer.function.SimpleFilterFunction

isValid

Methods inherited from class uk.gov.gchq.gaffer.function.ConsumerFunction

getInputClasses

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

IsA

public IsA()

Default constructor - used for serialisation.

IsA

public IsA(Class<?> type)

Create an IsA filter that tests for instances of a given control Class.

Parameters:

type - Control class.

IsA

public IsA(String type)

Create an IsA filter that tests for instances of a given control class name.

Parameters:

type - Name of the control class.

Method Detail

setType

public void setType(String type)

Parameters:

type - Name of the control class.

getType

public String getType()

Returns:

Name of the control class.

statelessClone

public IsA statelessClone()

Create a new IsA filter with the same control class as this one.

Specified by:

statelessClone in interface Function

Specified by:

statelessClone in class FilterFunction

Returns:

New IsA filter.

isValid

public boolean isValid(Object input)

Tests whether the argument supplied to this method is an instance of the control class.

Parameters:

input - Object to test.

Returns:

true iff there is a single, non-null input object that can be cast to the control class, otherwise false.

equals

public boolean equals(Object o)

Overrides:

equals in class ConsumerFunction

hashCode

public int hashCode()

Overrides:

hashCode in class ConsumerFunction

toString

public String toString()

Overrides:

toString in class ConsumerFunction