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From chir...@apache.org
Subject svn commit: r777216 - /activemq/trunk/kahadb/src/main/java/org/apache/kahadb/util/VariableMarshaller.java
Date Thu, 21 May 2009 18:43:22 GMT
Author: chirino
Date: Thu May 21 18:43:21 2009
New Revision: 777216

URL: http://svn.apache.org/viewvc?rev=777216&view=rev
Log:
Forgot this one in last commit

Added:
    activemq/trunk/kahadb/src/main/java/org/apache/kahadb/util/VariableMarshaller.java

Added: activemq/trunk/kahadb/src/main/java/org/apache/kahadb/util/VariableMarshaller.java
URL: http://svn.apache.org/viewvc/activemq/trunk/kahadb/src/main/java/org/apache/kahadb/util/VariableMarshaller.java?rev=777216&view=auto
==============================================================================
--- activemq/trunk/kahadb/src/main/java/org/apache/kahadb/util/VariableMarshaller.java (added)
+++ activemq/trunk/kahadb/src/main/java/org/apache/kahadb/util/VariableMarshaller.java Thu
May 21 18:43:21 2009
@@ -0,0 +1,40 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.kahadb.util;
+
+/**
+ * Convenience base class for Marshaller implementations which do not deepCopy and
+ * which use variable size encodings.
+ * 
+ * @author chirino
+ * @param <T>
+ */
+abstract public class VariableMarshaller<T> implements Marshaller<T> {
+
+    public int getFixedSize() {
+        return -1;
+    }
+
+    public boolean isDeepCopySupported() {
+        return false;
+    }
+
+    public T deepCopy(T source) {
+        throw new UnsupportedOperationException();
+    }
+
+}



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