package org.opendaylight.controller.cluster.datastore.utils;
import com.google.common.base.Preconditions;
+import com.google.protobuf.InvalidProtocolBufferException;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
import java.io.DataInput;
+import java.io.DataInputStream;
import java.io.DataOutput;
+import java.io.DataOutputStream;
import java.io.IOException;
+import org.opendaylight.controller.cluster.datastore.node.NormalizedNodeToNodeCodec;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.InvalidNormalizedNodeStreamException;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataInput;
+import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeDataOutput;
+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.node.utils.stream.NormalizedNodeOutputStreamWriter;
+import org.opendaylight.controller.protobuff.messages.common.NormalizedNodeMessages;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
/**
* Provides various utility methods for serialization and de-serialization.
* @author Thomas Pantelis
*/
public final class SerializationUtils {
+ public static final ThreadLocal<NormalizedNodeDataOutput> REUSABLE_WRITER_TL = new ThreadLocal<>();
+ public static final ThreadLocal<NormalizedNodeDataInput> REUSABLE_READER_TL = new ThreadLocal<>();
- public static interface Applier<T> {
+ public interface Applier<T> {
void apply(T instance, YangInstanceIdentifier path, NormalizedNode<?, ?> node);
}
+ private static NormalizedNodeDataOutput streamWriter(DataOutput out) throws IOException {
+ NormalizedNodeDataOutput streamWriter = REUSABLE_WRITER_TL.get();
+ if (streamWriter == null) {
+ streamWriter = NormalizedNodeInputOutput.newDataOutput(out);
+ }
+
+ return streamWriter;
+ }
+
+ private static NormalizedNodeDataInput streamReader(DataInput in) throws IOException {
+ NormalizedNodeDataInput streamReader = REUSABLE_READER_TL.get();
+ if (streamReader == null) {
+ streamReader = new NormalizedNodeInputStreamReader(in);
+ }
+
+ return streamReader;
+ }
+
public static void serializePathAndNode(YangInstanceIdentifier path, NormalizedNode<?, ?> node,
DataOutput out) {
Preconditions.checkNotNull(path);
Preconditions.checkNotNull(node);
try {
- NormalizedNodeOutputStreamWriter streamWriter = new NormalizedNodeOutputStreamWriter(out);
- NormalizedNodeWriter.forStreamWriter(streamWriter).write(node);
+ NormalizedNodeDataOutput streamWriter = streamWriter(out);
+ streamWriter.writeNormalizedNode(node);
streamWriter.writeYangInstanceIdentifier(path);
} catch (IOException e) {
- throw new IllegalArgumentException(String.format("Error serializing path {} and Node {}",
+ throw new IllegalArgumentException(String.format("Error serializing path %s and Node %s",
path, node), e);
}
}
public static <T> void deserializePathAndNode(DataInput in, T instance, Applier<T> applier) {
try {
- NormalizedNodeInputStreamReader streamReader = new NormalizedNodeInputStreamReader(in);
+ NormalizedNodeDataInput streamReader = streamReader(in);
NormalizedNode<?, ?> node = streamReader.readNormalizedNode();
YangInstanceIdentifier path = streamReader.readYangInstanceIdentifier();
applier.apply(instance, path, node);
}
}
- public static void serializeNormalizedNode(NormalizedNode<?, ?> node, DataOutput out) {
+ private static NormalizedNode<?, ?> tryDeserializeNormalizedNode(DataInput in) throws IOException {
+ boolean present = in.readBoolean();
+ if (present) {
+ NormalizedNodeDataInput streamReader = streamReader(in);
+ return streamReader.readNormalizedNode();
+ }
+
+ return null;
+ }
+
+ public static NormalizedNode<?, ?> deserializeNormalizedNode(DataInput in) {
try {
- out.writeBoolean(node != null);
- if(node != null) {
- NormalizedNodeOutputStreamWriter streamWriter = new NormalizedNodeOutputStreamWriter(out);
- NormalizedNodeWriter.forStreamWriter(streamWriter).write(node);
- }
+ return tryDeserializeNormalizedNode(in);
} catch (IOException e) {
- throw new IllegalArgumentException(String.format("Error serializing NormalizedNode {}",
- node), e);
+ throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
}
}
- public static NormalizedNode<?, ?> deserializeNormalizedNode(DataInput in) {
+ public static NormalizedNode<?, ?> deserializeNormalizedNode(byte [] bytes) {
+ try {
+ return tryDeserializeNormalizedNode(new DataInputStream(new ByteArrayInputStream(bytes)));
+ } catch (InvalidNormalizedNodeStreamException e) {
+ // Probably from legacy protobuf serialization - try that.
try {
- boolean present = in.readBoolean();
- if(present) {
- NormalizedNodeInputStreamReader streamReader = new NormalizedNodeInputStreamReader(in);
- return streamReader.readNormalizedNode();
- }
- } catch (IOException e) {
+ NormalizedNodeMessages.Node serializedNode = NormalizedNodeMessages.Node.parseFrom(bytes);
+ return new NormalizedNodeToNodeCodec(null).decode(serializedNode);
+ } catch (InvalidProtocolBufferException e2) {
throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
}
+ } catch (IOException e) {
+ throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
+ }
+ }
- return null;
+ public static void serializeNormalizedNode(NormalizedNode<?, ?> node, DataOutput out) {
+ try {
+ out.writeBoolean(node != null);
+ if (node != null) {
+ NormalizedNodeDataOutput streamWriter = streamWriter(out);
+ streamWriter.writeNormalizedNode(node);
+ }
+ } catch (IOException e) {
+ throw new IllegalArgumentException(String.format("Error serializing NormalizedNode %s",
+ node), e);
+ }
+ }
+
+ public static byte [] serializeNormalizedNode(NormalizedNode<?, ?> node) {
+ ByteArrayOutputStream bos = new ByteArrayOutputStream();
+ serializeNormalizedNode(node, new DataOutputStream(bos));
+ return bos.toByteArray();
}
public static void serializePath(YangInstanceIdentifier path, DataOutput out) {
Preconditions.checkNotNull(path);
try {
- NormalizedNodeOutputStreamWriter streamWriter = new NormalizedNodeOutputStreamWriter(out);
+ NormalizedNodeDataOutput streamWriter = streamWriter(out);
streamWriter.writeYangInstanceIdentifier(path);
} catch (IOException e) {
- throw new IllegalArgumentException(String.format("Error serializing path {}", path), e);
+ throw new IllegalArgumentException(String.format("Error serializing path %s", path), e);
}
}
public static YangInstanceIdentifier deserializePath(DataInput in) {
try {
- NormalizedNodeInputStreamReader streamReader = new NormalizedNodeInputStreamReader(in);
+ NormalizedNodeDataInput streamReader = streamReader(in);
return streamReader.readYangInstanceIdentifier();
} catch (IOException e) {
throw new IllegalArgumentException("Error deserializing path", e);