Package org.eclipse.rdf4j.common.lang

Class ObjectUtil

java.lang.Object

org.eclipse.rdf4j.common.lang.ObjectUtil

public class ObjectUtil
extends Object

Generic utility methods related to objects.

Author:

Arjohn Kampman

Constructor Summary

Constructors

Constructor	Description
ObjectUtil()

Method Summary

Modifier and Type	Method	Description
static boolean	nullEquals(Object o1, Object o2)	Deprecated, for removal: This API element is subject to removal in a future version.
static int	nullHashCode(Object o)	Returns the hash code of the supplied object, or 0 if a null reference is supplied.

Methods inherited from class java.lang.Object

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

Constructor Details

ObjectUtil

public ObjectUtil()

Method Details

nullEquals

@Deprecated(since="4.0.0",
            forRemoval=true)
public static boolean nullEquals(Object o1,
 Object o2)

Deprecated, for removal: This API element is subject to removal in a future version.

Compares two objects or null references.

Parameters:

o1 - The first object.

o2 - The second object

Returns:

true if both objects are null, if the object references are identical, or if the objects are equal according to the Object.equals(java.lang.Object) method of the first object; false in all other situations.

nullHashCode

public static int nullHashCode(Object o)

Returns the hash code of the supplied object, or 0 if a null reference is supplied.

Parameters:

o - An object or null reference.

Returns:

The object's hash code, or 0 if the parameter is null.