package org.opendaylight.controller.cluster.datastore.persisted;
import com.google.common.base.Verify;
-import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
-import java.io.DataOutputStream;
import java.io.IOException;
+import java.io.ObjectInput;
import java.io.ObjectInputStream;
-import java.io.ObjectOutputStream;
+import java.io.ObjectOutput;
import java.util.Optional;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
private static final Logger LOG = LoggerFactory.getLogger(AbstractVersionedShardDataTreeSnapshot.class);
@SuppressWarnings("checkstyle:FallThrough")
- static ShardDataTreeSnapshot deserialize(final DataInputStream is) throws IOException {
+ @Deprecated
+ static ShardDataTreeSnapshot deserializePreCarbon(final DataInputStream is) throws IOException {
final PayloadVersion version = PayloadVersion.readFrom(is);
switch (version) {
case BORON:
// Boron snapshots use Java Serialization
- try (final ObjectInputStream ois = new ObjectInputStream(is)) {
+ try (ObjectInputStream ois = new ObjectInputStream(is)) {
return (ShardDataTreeSnapshot) ois.readObject();
} catch (ClassNotFoundException e) {
LOG.error("Failed to serialize data tree snapshot", e);
throw new IOException("Encountered unhandled version" + version);
}
+ @SuppressWarnings("checkstyle:FallThrough")
+ static ShardDataTreeSnapshot versionedDeserialize(final ObjectInput in) throws IOException {
+ final PayloadVersion version = PayloadVersion.readFrom(in);
+ switch (version) {
+ case BORON:
+ // Boron snapshots use Java Serialization
+ try {
+ return (ShardDataTreeSnapshot) in.readObject();
+ } catch (ClassNotFoundException e) {
+ LOG.error("Failed to serialize data tree snapshot", e);
+ throw new IOException("Snapshot failed to deserialize", e);
+ }
+ case TEST_FUTURE_VERSION:
+ case TEST_PAST_VERSION:
+ // These versions are never returned and this code is effectively dead
+ break;
+ default:
+ throw new IOException("Invalid payload version in snapshot");
+ }
+
+ // Not included as default in above switch to ensure we get warnings when new versions are added
+ throw new IOException("Encountered unhandled version" + version);
+ }
+
@Override
public final Optional<NormalizedNode<?, ?>> getRootNode() {
return Optional.of(Verify.verifyNotNull(rootNode(), "Snapshot %s returned non-present root node", getClass()));
@Nonnull
abstract PayloadVersion version();
- private void versionedSerialize(final DataOutputStream dos, final PayloadVersion version) throws IOException {
+ private void versionedSerialize(final ObjectOutput out, final PayloadVersion version) throws IOException {
switch (version) {
case BORON:
// Boron snapshots use Java Serialization
- try (ObjectOutputStream oos = new ObjectOutputStream(dos)) {
- oos.writeObject(this);
- }
+ out.writeObject(this);
return;
case TEST_FUTURE_VERSION:
case TEST_PAST_VERSION:
}
@Override
- public final byte[] serialize() throws IOException {
- try (final ByteArrayOutputStream bos = new ByteArrayOutputStream()) {
- try (final DataOutputStream dos = new DataOutputStream(bos)) {
- final PayloadVersion version = version();
- version.writeTo(dos);
- versionedSerialize(dos, version);
- }
-
- return bos.toByteArray();
- }
+ public void serialize(final ObjectOutput out) throws IOException {
+ final PayloadVersion version = version();
+ version.writeTo(out);
+ versionedSerialize(out, version);
}
}