opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/modification/DeleteModification.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.cluster.datastore.modification;
  10
  11 import java.io.IOException;
  12 import java.io.ObjectInput;
  13 import java.io.ObjectOutput;
  14 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
  15 import org.opendaylight.controller.cluster.datastore.node.utils.stream.SerializationUtils;
  16 import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  19
  20 /**
  21  * DeleteModification store all the parameters required to delete a path from the data tree.
  22  */
  23 public class DeleteModification extends AbstractModification {
  24     private static final long serialVersionUID = 1L;
  25
  26     public DeleteModification() {
  27         this(DataStoreVersions.CURRENT_VERSION);
  28     }
  29
  30     public DeleteModification(short version) {
  31         super(version);
  32     }
  33
  34     public DeleteModification(YangInstanceIdentifier path) {
  35         super(path);
  36     }
  37
  38     @Override
  39     public void apply(DOMStoreWriteTransaction transaction) {
  40         transaction.delete(getPath());
  41     }
  42
  43     @Override
  44     public void apply(DataTreeModification transaction) {
  45         transaction.delete(getPath());
  46     }
  47
  48     @Override
  49     public byte getType() {
  50         return DELETE;
  51     }
  52
  53     @Override
  54     public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
  55         setPath(SerializationUtils.deserializePath(in));
  56     }
  57
  58     @Override
  59     public void writeExternal(ObjectOutput out) throws IOException {
  60         SerializationUtils.serializePath(getPath(), out);
  61     }
  62
  63     public static DeleteModification fromStream(ObjectInput in, short version)
  64             throws ClassNotFoundException, IOException {
  65         DeleteModification mod = new DeleteModification(version);
  66         mod.readExternal(in);
  67         return mod;
  68     }
  69 }