2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
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
9 package org.opendaylight.controller.cluster.datastore.modification;
11 import com.google.common.base.Preconditions;
12 import java.io.IOException;
13 import java.io.ObjectInput;
14 import java.io.ObjectOutput;
15 import java.util.ArrayList;
16 import java.util.List;
17 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
18 import org.opendaylight.controller.cluster.datastore.messages.VersionedExternalizableMessage;
19 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputOutput;
20 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputStreamReader;
21 import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
22 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
23 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
26 * MutableCompositeModification is just a mutable version of a CompositeModification.
28 public class MutableCompositeModification extends VersionedExternalizableMessage implements CompositeModification {
29 private static final long serialVersionUID = 1L;
31 private final List<Modification> modifications = new ArrayList<>();
33 public MutableCompositeModification() {
34 this(DataStoreVersions.CURRENT_VERSION);
37 public MutableCompositeModification(short version) {
42 public void apply(DOMStoreWriteTransaction transaction) {
43 for (Modification modification : modifications) {
44 modification.apply(transaction);
49 public void apply(DataTreeModification transaction) {
50 for (Modification modification : modifications) {
51 modification.apply(transaction);
56 public byte getType() {
61 * Add a new Modification to the list of Modifications represented by this composite.
63 * @param modification the modification to add.
65 public void addModification(Modification modification) {
66 modifications.add(modification);
70 public List<Modification> getModifications() {
75 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
76 super.readExternal(in);
78 int size = in.readInt();
81 SerializationUtils.REUSABLE_READER_TL.set(new NormalizedNodeInputStreamReader(in));
85 for (int i = 0; i < size; i++) {
86 byte type = in.readByte();
88 case Modification.WRITE:
89 modifications.add(WriteModification.fromStream(in, getVersion()));
92 case Modification.MERGE:
93 modifications.add(MergeModification.fromStream(in, getVersion()));
96 case Modification.DELETE:
97 modifications.add(DeleteModification.fromStream(in, getVersion()));
104 SerializationUtils.REUSABLE_READER_TL.remove();
109 public void writeExternal(ObjectOutput out) throws IOException {
110 super.writeExternal(out);
112 out.writeInt(modifications.size());
114 if (modifications.size() > 1) {
115 SerializationUtils.REUSABLE_WRITER_TL.set(NormalizedNodeInputOutput.newDataOutput(out));
119 for (Modification mod: modifications) {
120 out.writeByte(mod.getType());
121 mod.writeExternal(out);
124 SerializationUtils.REUSABLE_WRITER_TL.remove();
128 public static MutableCompositeModification fromSerializable(Object serializable) {
129 Preconditions.checkArgument(serializable instanceof MutableCompositeModification);
130 return (MutableCompositeModification)serializable;