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 + ")";
+    }
+}