* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.controller.cluster.datastore.modification;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+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.mdsal.dom.spi.store.DOMStoreWriteTransaction;
+import org.opendaylight.yangtools.yang.data.api.schema.stream.ReusableStreamReceiver;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
+import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataInput;
+import org.opendaylight.yangtools.yang.data.codec.binfmt.NormalizedNodeDataOutput;
+import org.opendaylight.yangtools.yang.data.impl.schema.ReusableImmutableNormalizedNodeStreamWriter;
+
+/**
+ * MutableCompositeModification is just a mutable version of a CompositeModification.
+ */
+public class MutableCompositeModification extends VersionedExternalizableMessage implements CompositeModification {
+ private static final long serialVersionUID = 1L;
+
+ private final List<Modification> modifications = new ArrayList<>();
+ private List<Modification> immutableModifications = null;
+
+ public MutableCompositeModification() {
+ this(DataStoreVersions.CURRENT_VERSION);
+ }
+
+ public MutableCompositeModification(final short version) {
+ super(version);
+ }
-public class MutableCompositeModification implements CompositeModification {
- private final List<Modification> modifications = new ArrayList<>();
+ @Override
+ public void apply(final DOMStoreWriteTransaction transaction) {
+ for (Modification modification : modifications) {
+ modification.apply(transaction);
+ }
+ }
+
+ @Override
+ public void apply(final 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 the modification to add.
+ */
+ public void addModification(final Modification modification) {
+ modifications.add(requireNonNull(modification));
+ }
- @Override
- public void apply(DOMStoreWriteTransaction transaction) {
- for(Modification modification : modifications){
- modification.apply(transaction);
+ public void addModifications(final Iterable<Modification> newMods) {
+ for (Modification mod : newMods) {
+ addModification(mod);
+ }
}
- }
- public void addModification(Modification modification){
- modifications.add(modification);
- }
+ @Override
+ public List<Modification> getModifications() {
+ if (immutableModifications == null) {
+ immutableModifications = Collections.unmodifiableList(modifications);
+ }
- public List<Modification> getModifications(){
- return Collections.unmodifiableList(modifications);
- }
+ return immutableModifications;
+ }
+ @Override
+ public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
+ super.readExternal(in);
+ final int size = in.readInt();
+ if (size > 0) {
+ if (getVersion() >= DataStoreVersions.PHOSPHORUS_VERSION) {
+ readExternalModern(NormalizedNodeDataInput.newDataInput(in), size);
+ } else {
+ readExternalLegacy(in, size);
+ }
+ }
+ }
+
+ @Override
+ public void writeExternal(final ObjectOutput out) throws IOException {
+ super.writeExternal(out);
+ final int size = modifications.size();
+ out.writeInt(size);
+ if (size > 0) {
+ if (getVersion() >= DataStoreVersions.PHOSPHORUS_VERSION) {
+ writeExternalModern(out);
+ } else {
+ writeExternalLegacy(out);
+ }
+ }
+ }
+
+ private void readExternalLegacy(final ObjectInput in, final int size) throws IOException {
+ final NormalizedNodeDataInput input = NormalizedNodeDataInput.newDataInputWithoutValidation(in);
+ final ReusableStreamReceiver receiver = ReusableImmutableNormalizedNodeStreamWriter.create();
+ for (int i = 0; i < size; i++) {
+ final byte type = in.readByte();
+ switch (type) {
+ case Modification.WRITE:
+ modifications.add(WriteModification.fromStream(input, getVersion(), receiver));
+ break;
+ case Modification.MERGE:
+ modifications.add(MergeModification.fromStream(input, getVersion(), receiver));
+ break;
+ case Modification.DELETE:
+ modifications.add(DeleteModification.fromStream(input, getVersion()));
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ private void writeExternalLegacy(final ObjectOutput out) throws IOException {
+ try (NormalizedNodeDataOutput stream = getStreamVersion().newDataOutput(out)) {
+ for (Modification mod : modifications) {
+ out.writeByte(mod.getType());
+ mod.writeTo(stream);
+ }
+ }
+ }
+
+ private void readExternalModern(final NormalizedNodeDataInput in, final int size) throws IOException {
+ final ReusableStreamReceiver receiver = ReusableImmutableNormalizedNodeStreamWriter.create();
+ for (int i = 0; i < size; i++) {
+ final byte type = in.readByte();
+ switch (type) {
+ case Modification.WRITE:
+ modifications.add(WriteModification.fromStream(in, getVersion(), receiver));
+ break;
+ case Modification.MERGE:
+ modifications.add(MergeModification.fromStream(in, getVersion(), receiver));
+ break;
+ case Modification.DELETE:
+ modifications.add(DeleteModification.fromStream(in, getVersion()));
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ private void writeExternalModern(final ObjectOutput out) throws IOException {
+ try (NormalizedNodeDataOutput stream = getStreamVersion().newDataOutput(out)) {
+ for (Modification mod : modifications) {
+ stream.writeByte(mod.getType());
+ mod.writeTo(stream);
+ }
+ }
+ }
+
+ public static MutableCompositeModification fromSerializable(final Object serializable) {
+ checkArgument(serializable instanceof MutableCompositeModification);
+ return (MutableCompositeModification)serializable;
+ }
+
+ @Override
+ public void writeTo(final NormalizedNodeDataOutput out) throws IOException {
+ throw new UnsupportedOperationException();
+ }
}
Code Review / controller.git / blobdiff