package org.opendaylight.controller.cluster.datastore.modification;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
-
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
import java.util.ArrayList;
-import java.util.Collections;
import java.util.List;
+import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
+import org.opendaylight.controller.cluster.datastore.messages.VersionedExternalizableMessage;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputOutput;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputStreamReader;
+import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils;
+import org.opendaylight.controller.protobuff.messages.persistent.PersistentMessages;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+
+/**
+ * MutableCompositeModification is just a mutable version of a
+ * CompositeModification {@link org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification#addModification(Modification)}
+ */
+public class MutableCompositeModification extends VersionedExternalizableMessage implements CompositeModification {
+ private static final long serialVersionUID = 1L;
-public class MutableCompositeModification implements CompositeModification {
- private final List<Modification> modifications = new ArrayList<>();
+ private final List<Modification> modifications = new ArrayList<>();
- @Override
- public void apply(DOMStoreWriteTransaction transaction) {
- for(Modification modification : modifications){
- modification.apply(transaction);
+ public MutableCompositeModification() {
+ this(DataStoreVersions.CURRENT_VERSION);
}
- }
- public void addModification(Modification modification){
- modifications.add(modification);
- }
+ public MutableCompositeModification(short version) {
+ super(version);
+ }
+
+ @Override
+ public void apply(DOMStoreWriteTransaction transaction) {
+ for (Modification modification : modifications) {
+ modification.apply(transaction);
+ }
+ }
+
+ @Override
+ public void apply(DataTreeModification transaction) {
+ for (Modification modification : modifications) {
+ modification.apply(transaction);
+ }
+ }
+
+ @Override
+ public byte getType() {
+ return COMPOSITE;
+ }
+
+ /**
+ * Add a new Modification to the list of Modifications represented by this
+ * composite
+ *
+ * @param modification
+ */
+ public void addModification(Modification modification) {
+ modifications.add(modification);
+ }
+
+ @Override
+ public List<Modification> getModifications() {
+ return modifications;
+ }
+
+ @Override
+ public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+ super.readExternal(in);
+
+ int size = in.readInt();
+
+ if(size > 1) {
+ SerializationUtils.REUSABLE_READER_TL.set(new NormalizedNodeInputStreamReader(in));
+ }
- public List<Modification> getModifications(){
- return Collections.unmodifiableList(modifications);
- }
+ try {
+ for(int i = 0; i < size; i++) {
+ byte type = in.readByte();
+ switch(type) {
+ case Modification.WRITE:
+ modifications.add(WriteModification.fromStream(in, getVersion()));
+ break;
+ case Modification.MERGE:
+ modifications.add(MergeModification.fromStream(in, getVersion()));
+ break;
+
+ case Modification.DELETE:
+ modifications.add(DeleteModification.fromStream(in, getVersion()));
+ break;
+ }
+ }
+ } finally {
+ SerializationUtils.REUSABLE_READER_TL.remove();
+ }
+ }
+
+ @Override
+ public void writeExternal(ObjectOutput out) throws IOException {
+ super.writeExternal(out);
+
+ out.writeInt(modifications.size());
+
+ if(modifications.size() > 1) {
+ SerializationUtils.REUSABLE_WRITER_TL.set(NormalizedNodeInputOutput.newDataOutput(out));
+ }
+
+ try {
+ for(Modification mod: modifications) {
+ out.writeByte(mod.getType());
+ mod.writeExternal(out);
+ }
+ } finally {
+ SerializationUtils.REUSABLE_WRITER_TL.remove();
+ }
+ }
+
+ @Override
+ @Deprecated
+ protected Object newLegacySerializedInstance() {
+ if(getVersion() >= DataStoreVersions.LITHIUM_VERSION) {
+ return this;
+ } else {
+ PersistentMessages.CompositeModification.Builder builder =
+ PersistentMessages.CompositeModification.newBuilder();
+
+ builder.setTimeStamp(System.nanoTime());
+
+ for (Modification m : modifications) {
+ builder.addModification((PersistentMessages.Modification) m.toSerializable());
+ }
+
+ return builder.build();
+ }
+ }
+
+ public static MutableCompositeModification fromSerializable(Object serializable) {
+ if(serializable instanceof MutableCompositeModification) {
+ return (MutableCompositeModification)serializable;
+ } else {
+ return fromLegacySerializable(serializable);
+ }
+ }
+
+ @Deprecated
+ private static MutableCompositeModification fromLegacySerializable(Object serializable) {
+ PersistentMessages.CompositeModification o = (PersistentMessages.CompositeModification) serializable;
+ MutableCompositeModification compositeModification = new MutableCompositeModification();
+
+ for(PersistentMessages.Modification m : o.getModificationList()){
+ if(m.getType().equals(DeleteModification.class.toString())){
+ compositeModification.addModification(DeleteModification.fromSerializable(m));
+ } else if(m.getType().equals(WriteModification.class.toString())){
+ compositeModification.addModification(WriteModification.fromSerializable(m));
+ } else if(m.getType().equals(MergeModification.class.toString())){
+ compositeModification.addModification(MergeModification.fromSerializable(m));
+ }
+ }
+
+ return compositeModification;
+ }
}
Code Review / controller.git / blobdiff