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.NormalizedNodeDataInput;
  16 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataOutput;
  17 import org.opendaylight.controller.cluster.datastore.node.utils.stream.SerializationUtils;
  18 import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
  19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  20 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
  21
  22 /**
  23  * DeleteModification store all the parameters required to delete a path from the data tree.
  24  */
  25 public class DeleteModification extends AbstractModification {
  26     private static final long serialVersionUID = 1L;
  27
  28     public DeleteModification() {
  29         this(DataStoreVersions.CURRENT_VERSION);
  30     }
  31
  32     public DeleteModification(final short version) {
  33         super(version);
  34     }
  35
  36     public DeleteModification(final YangInstanceIdentifier path) {
  37         super(path);
  38     }
  39
  40     DeleteModification(final short version, final YangInstanceIdentifier path) {
  41         super(version, path);
  42     }
  43
  44     @Override
  45     public void apply(final DOMStoreWriteTransaction transaction) {
  46         transaction.delete(getPath());
  47     }
  48
  49     @Override
  50     public void apply(final DataTreeModification transaction) {
  51         transaction.delete(getPath());
  52     }
  53
  54     @Override
  55     public byte getType() {
  56         return DELETE;
  57     }
  58
  59     @Override
  60     public void readExternal(final ObjectInput in) {
  61         setPath(SerializationUtils.deserializePath(in));
  62     }
  63
  64     @Override
  65     public void writeExternal(final ObjectOutput out) {
  66         SerializationUtils.serializePath(getPath(), out);
  67     }
  68
  69     @Override
  70     public void writeTo(final NormalizedNodeDataOutput out) throws IOException {
  71         out.writeYangInstanceIdentifier(getPath());
  72     }
  73
  74     public static DeleteModification fromStream(final NormalizedNodeDataInput in, final short version)
  75             throws IOException {
  76         return new DeleteModification(version, in.readYangInstanceIdentifier());
  77     }
  78 }