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.ObjectInput;
  12 import java.io.ObjectOutput;
  13 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
  14 import org.opendaylight.controller.cluster.datastore.node.utils.stream.SerializationUtils;
  15 import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
  16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  17 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  18
  19 /**
  20  * DeleteModification store all the parameters required to delete a path from the data tree.
  21  */
  22 public class DeleteModification extends AbstractModification {
  23     private static final long serialVersionUID = 1L;
  24
  25     public DeleteModification() {
  26         this(DataStoreVersions.CURRENT_VERSION);
  27     }
  28
  29     public DeleteModification(short version) {
  30         super(version);
  31     }
  32
  33     public DeleteModification(YangInstanceIdentifier path) {
  34         super(path);
  35     }
  36
  37     @Override
  38     public void apply(DOMStoreWriteTransaction transaction) {
  39         transaction.delete(getPath());
  40     }
  41
  42     @Override
  43     public void apply(DataTreeModification transaction) {
  44         transaction.delete(getPath());
  45     }
  46
  47     @Override
  48     public byte getType() {
  49         return DELETE;
  50     }
  51
  52     @Override
  53     public void readExternal(ObjectInput in) {
  54         setPath(SerializationUtils.deserializePath(in));
  55     }
  56
  57     @Override
  58     public void writeExternal(ObjectOutput out) {
  59         SerializationUtils.serializePath(getPath(), out);
  60     }
  61
  62     public static DeleteModification fromStream(ObjectInput in, short version) {
  63         DeleteModification mod = new DeleteModification(version);
  64         mod.readExternal(in);
  65         return mod;
  66     }
  67 }