Mercurial > hg > truffle
changeset 11925:fe71a5ed24c2
Add object location identity class.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
---|---|
date | Mon, 07 Oct 2013 01:25:49 +0200 |
parents | ba829878000c |
children | e04a86167368 |
files | graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/ObjectLocationIdentity.java |
diffstat | 1 files changed, 56 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graal/com.oracle.graal.api.meta/src/com/oracle/graal/api/meta/ObjectLocationIdentity.java Mon Oct 07 01:25:49 2013 +0200 @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2013, 2013, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.oracle.graal.api.meta; + +/** + * A {@link LocationIdentity} warpping an object. + */ +public class ObjectLocationIdentity implements LocationIdentity { + + private Object object; + + public ObjectLocationIdentity(Object object) { + this.object = object; + } + + @Override + public boolean equals(Object other) { + if (other == this) { + return true; + } else if (other instanceof ObjectLocationIdentity) { + ObjectLocationIdentity objectLocationIdentity = (ObjectLocationIdentity) other; + return objectLocationIdentity.object == object; + } + return false; + } + + @Override + public int hashCode() { + return object.hashCode(); + } + + @Override + public String toString() { + return "Identity(" + object + ")"; + } +}