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 package org.opendaylight.controller.cluster.datastore.modification;
   9
  10 import java.io.IOException;
  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 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataInput;
  19 import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataOutput;
  20
  21 /**
  22  * DeleteModification store all the parameters required to delete a path from the data tree.
  23  */
  24 public class DeleteModification extends AbstractModification {
  25     private static final long serialVersionUID = 1L;
  26
  27     public DeleteModification() {
  28         this(DataStoreVersions.CURRENT_VERSION);
  29     }
  30
  31     public DeleteModification(final short version) {
  32         super(version);
  33     }
  34
  35     public DeleteModification(final YangInstanceIdentifier path) {
  36         super(path);
  37     }
  38
  39     DeleteModification(final short version, final YangInstanceIdentifier path) {
  40         super(version, path);
  41     }
  42
  43     @Override
  44     public void apply(final DOMStoreWriteTransaction transaction) {
  45         transaction.delete(getPath());
  46     }
  47
  48     @Override
  49     public void apply(final DataTreeModification transaction) {
  50         transaction.delete(getPath());
  51     }
  52
  53     @Override
  54     public byte getType() {
  55         return DELETE;
  56     }
  57
  58     @Override
  59     public void readExternal(final ObjectInput in) throws IOException {
  60         setPath(SerializationUtils.readPath(in));
  61     }
  62
  63     @Override
  64     public void writeExternal(final ObjectOutput out) throws IOException {
  65         SerializationUtils.writePath(out, getPath());
  66     }
  67
  68     @Override
  69     public void writeTo(final NormalizedNodeDataOutput out) throws IOException {
  70         out.writeYangInstanceIdentifier(getPath());
  71     }
  72
  73     public static DeleteModification fromStream(final NormalizedNodeDataInput in, final short version)
  74             throws IOException {
  75         return new DeleteModification(version, in.readYangInstanceIdentifier());
  76     }
  77 }