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    1   /**
    2    * Licensed to the Apache Software Foundation (ASF) under one or more
    3    * contributor license agreements.  See the NOTICE file distributed with
    4    * this work for additional information regarding copyright ownership.
    5    * The ASF licenses this file to You under the Apache License, Version 2.0
    6    * (the "License"); you may not use this file except in compliance with
    7    * the License.  You may obtain a copy of the License at
    8    *
    9    *      http://www.apache.org/licenses/LICENSE-2.0
   10    *
   11    * Unless required by applicable law or agreed to in writing, software
   12    * distributed under the License is distributed on an "AS IS" BASIS,
   13    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   14    * See the License for the specific language governing permissions and
   15    * limitations under the License.
   16    */
   17   package org.apache.kahadb.util;
   18   
   19   /**
   20    * Convenience base class for Marshaller implementations which do not deepCopy and
   21    * which use variable size encodings.
   22    * 
   23    * @author chirino
   24    * @param <T>
   25    */
   26   abstract public class VariableMarshaller<T> implements Marshaller<T> {
   27   
   28       public int getFixedSize() {
   29           return -1;
   30       }
   31   
   32       public boolean isDeepCopySupported() {
   33           return false;
   34       }
   35   
   36       public T deepCopy(T source) {
   37           throw new UnsupportedOperationException();
   38       }
   39   
   40   }

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