1 files changed, 36 insertions, 0 deletions
diff --git a/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/_support/collections/withoutid/IdDeterminationWithHashCode.java b/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/_support/collections/withoutid/IdDeterminationWithHashCode.java
new file mode 100644
index 0000000..6b4e247
--- /dev/null
+++ b/winery/org.eclipse.winery.repository/src/main/java/org/eclipse/winery/repository/resources/_support/collections/withoutid/IdDeterminationWithHashCode.java
@@ -0,0 +1,36 @@
+/*******************************************************************************
+ * Copyright (c) 2012-2013 University of Stuttgart.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and the Apache License 2.0 which both accompany this distribution,
+ * and are available at http://www.eclipse.org/legal/epl-v10.html
+ * and http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Contributors:
+ *     Oliver Kopp - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.winery.repository.resources._support.collections.withoutid;
+
+import org.eclipse.winery.repository.Utils;
+import org.eclipse.winery.repository.resources._support.collections.IIdDetermination;
+
+public class IdDeterminationWithHashCode implements IIdDetermination<Object> {
+	
+	public static final IdDeterminationWithHashCode INSTANCE = new IdDeterminationWithHashCode();
+	
+	
+	@Override
+	public String getId(Object entity) {
+		// We assume that different Object serializations *always* have different hashCodes
+		int hash = Utils.getXMLAsString(entity).hashCode();
+		return Integer.toString(hash);
+	}
+	
+	/**
+	 * Static wrapper method for functions.tld
+	 */
+	public static String getIdStatically(Object entity) {
+		return IdDeterminationWithHashCode.INSTANCE.getId(entity);
+	}
+	
+}