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 java.io.IOException;
12 import java.io.ObjectInput;
13 import java.io.ObjectOutput;
14 import java.util.ArrayList;
15 import java.util.List;
16 import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
17 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputStreamReader;
18 import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeOutputStreamWriter;
19 import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
20 import org.opendaylight.controller.protobuff.messages.persistent.PersistentMessages;
21 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
22 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
25 * MutableCompositeModification is just a mutable version of a
26 * CompositeModification {@link org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification#addModification(Modification)}
28 public class MutableCompositeModification implements CompositeModification {
29 private static final long serialVersionUID = 1L;
31 private final List<Modification> modifications = new ArrayList<>();
32 private short version;
34 public MutableCompositeModification() {
35 this(DataStoreVersions.CURRENT_VERSION);
38 public MutableCompositeModification(short version) {
39 this.version = version;
43 public void apply(DOMStoreWriteTransaction transaction) {
44 for (Modification modification : modifications) {
45 modification.apply(transaction);
50 public void apply(DataTreeModification transaction) {
51 for (Modification modification : modifications) {
52 modification.apply(transaction);
57 public byte getType() {
61 public short getVersion() {
65 public void setVersion(short version) {
66 this.version = version;
70 * Add a new Modification to the list of Modifications represented by this
75 public void addModification(Modification modification) {
76 modifications.add(modification);
80 public List<Modification> getModifications() {
85 public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
86 version = in.readShort();
88 int size = in.readInt();
91 SerializationUtils.REUSABLE_READER_TL.set(new NormalizedNodeInputStreamReader(in));
95 for(int i = 0; i < size; i++) {
96 byte type = in.readByte();
98 case Modification.WRITE:
99 modifications.add(WriteModification.fromStream(in, version));
102 case Modification.MERGE:
103 modifications.add(MergeModification.fromStream(in, version));
106 case Modification.DELETE:
107 modifications.add(DeleteModification.fromStream(in, version));
112 SerializationUtils.REUSABLE_READER_TL.remove();
117 public void writeExternal(ObjectOutput out) throws IOException {
118 out.writeShort(version);
120 out.writeInt(modifications.size());
122 if(modifications.size() > 1) {
123 SerializationUtils.REUSABLE_WRITER_TL.set(new NormalizedNodeOutputStreamWriter(out));
127 for(Modification mod: modifications) {
128 out.writeByte(mod.getType());
129 mod.writeExternal(out);
132 SerializationUtils.REUSABLE_WRITER_TL.remove();
138 public Object toSerializable() {
139 PersistentMessages.CompositeModification.Builder builder =
140 PersistentMessages.CompositeModification.newBuilder();
142 builder.setTimeStamp(System.nanoTime());
144 for (Modification m : modifications) {
145 builder.addModification((PersistentMessages.Modification) m.toSerializable());
148 return builder.build();
151 public static MutableCompositeModification fromSerializable(Object serializable) {
152 if(serializable instanceof MutableCompositeModification) {
153 return (MutableCompositeModification)serializable;
155 return fromLegacySerializable(serializable);
159 private static MutableCompositeModification fromLegacySerializable(Object serializable) {
160 PersistentMessages.CompositeModification o = (PersistentMessages.CompositeModification) serializable;
161 MutableCompositeModification compositeModification = new MutableCompositeModification();
163 for(PersistentMessages.Modification m : o.getModificationList()){
164 if(m.getType().equals(DeleteModification.class.toString())){
165 compositeModification.addModification(DeleteModification.fromSerializable(m));
166 } else if(m.getType().equals(WriteModification.class.toString())){
167 compositeModification.addModification(WriteModification.fromSerializable(m));
168 } else if(m.getType().equals(MergeModification.class.toString())){
169 compositeModification.addModification(MergeModification.fromSerializable(m));
173 return compositeModification;