*/
package org.opendaylight.controller.cluster.datastore.node.utils.stream;
-import com.google.common.base.Preconditions;
-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 java.util.Optional;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
* @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<>();
-
private SerializationUtils() {
+
}
+ @FunctionalInterface
public interface Applier<T> {
void apply(T instance, YangInstanceIdentifier path, NormalizedNode<?, ?> node);
}
- private static NormalizedNodeDataOutput streamWriter(DataOutput out) {
- NormalizedNodeDataOutput streamWriter = REUSABLE_WRITER_TL.get();
- if (streamWriter == null) {
- streamWriter = NormalizedNodeInputOutput.newDataOutput(out);
+ public static Optional<NormalizedNode<?, ?>> readNormalizedNode(final DataInput in) throws IOException {
+ if (!in.readBoolean()) {
+ return Optional.empty();
}
-
- return streamWriter;
+ return Optional.of(NormalizedNodeInputOutput.newDataInput(in).readNormalizedNode());
}
- private static NormalizedNodeDataInput streamReader(DataInput in) throws IOException {
- NormalizedNodeDataInput streamReader = REUSABLE_READER_TL.get();
- if (streamReader == null) {
- streamReader = NormalizedNodeInputOutput.newDataInput(in);
- }
-
- return streamReader;
- }
+ public static void writeNormalizedNode(final DataOutput out, final @Nullable NormalizedNode<?, ?> node)
+ throws IOException {
+ if (node != null) {
+ out.writeBoolean(true);
- public static void serializePathAndNode(YangInstanceIdentifier path, NormalizedNode<?, ?> node,
- DataOutput out) {
- Preconditions.checkNotNull(path);
- Preconditions.checkNotNull(node);
- try {
- NormalizedNodeDataOutput streamWriter = streamWriter(out);
- streamWriter.writeNormalizedNode(node);
- streamWriter.writeYangInstanceIdentifier(path);
- } catch (IOException e) {
- throw new IllegalArgumentException(String.format("Error serializing path %s and Node %s",
- path, node), e);
+ try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out)) {
+ stream.writeNormalizedNode(node);
+ }
+ } else {
+ out.writeBoolean(false);
}
}
- public static <T> void deserializePathAndNode(DataInput in, T instance, Applier<T> applier) {
- try {
- NormalizedNodeDataInput streamReader = streamReader(in);
- NormalizedNode<?, ?> node = streamReader.readNormalizedNode();
- YangInstanceIdentifier path = streamReader.readYangInstanceIdentifier();
- applier.apply(instance, path, node);
- } catch (IOException e) {
- throw new IllegalArgumentException("Error deserializing path and Node", e);
- }
- }
+ public static void writeNormalizedNode(final DataOutput out, final NormalizedNodeStreamVersion version,
+ final @Nullable NormalizedNode<?, ?> node) throws IOException {
+ if (node != null) {
+ out.writeBoolean(true);
- private static NormalizedNode<?, ?> tryDeserializeNormalizedNode(DataInput in) throws IOException {
- boolean present = in.readBoolean();
- if (present) {
- NormalizedNodeDataInput streamReader = streamReader(in);
- return streamReader.readNormalizedNode();
+ try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out, version)) {
+ stream.writeNormalizedNode(node);
+ }
+ } else {
+ out.writeBoolean(false);
}
-
- return null;
}
- public static NormalizedNode<?, ?> deserializeNormalizedNode(DataInput in) {
- try {
- return tryDeserializeNormalizedNode(in);
- } catch (IOException e) {
- throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
- }
+ public static YangInstanceIdentifier readPath(final DataInput in) throws IOException {
+ return NormalizedNodeInputOutput.newDataInput(in).readYangInstanceIdentifier();
}
- public static NormalizedNode<?, ?> deserializeNormalizedNode(byte [] bytes) {
- try {
- return tryDeserializeNormalizedNode(new DataInputStream(new ByteArrayInputStream(bytes)));
- } catch (IOException e) {
- throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
+ public static void writePath(final DataOutput out, final @NonNull YangInstanceIdentifier path)
+ throws IOException {
+ try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out)) {
+ stream.writeYangInstanceIdentifier(path);
}
}
- 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 void writePath(final DataOutput out, final NormalizedNodeStreamVersion version,
+ final @NonNull YangInstanceIdentifier path) throws IOException {
+ try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out, version)) {
+ stream.writeYangInstanceIdentifier(path);
}
}
- public static byte [] serializeNormalizedNode(NormalizedNode<?, ?> node) {
- ByteArrayOutputStream bos = new ByteArrayOutputStream();
- serializeNormalizedNode(node, new DataOutputStream(bos));
- return bos.toByteArray();
+ public static <T> void readNodeAndPath(final DataInput in, final T instance, final Applier<T> applier)
+ throws IOException {
+ final NormalizedNodeDataInput stream = NormalizedNodeInputOutput.newDataInput(in);
+ NormalizedNode<?, ?> node = stream.readNormalizedNode();
+ YangInstanceIdentifier path = stream.readYangInstanceIdentifier();
+ applier.apply(instance, path, node);
}
- public static void serializePath(YangInstanceIdentifier path, DataOutput out) {
- Preconditions.checkNotNull(path);
- try {
- NormalizedNodeDataOutput streamWriter = streamWriter(out);
- streamWriter.writeYangInstanceIdentifier(path);
- } catch (IOException e) {
- throw new IllegalArgumentException(String.format("Error serializing path %s", path), e);
+ public static void writeNodeAndPath(final DataOutput out, final YangInstanceIdentifier path,
+ final NormalizedNode<?, ?> node) throws IOException {
+ try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out)) {
+ stream.writeNormalizedNode(node);
+ stream.writeYangInstanceIdentifier(path);
}
}
- public static YangInstanceIdentifier deserializePath(DataInput in) {
- try {
- NormalizedNodeDataInput streamReader = streamReader(in);
- return streamReader.readYangInstanceIdentifier();
- } catch (IOException e) {
- throw new IllegalArgumentException("Error deserializing path", e);
+ public static <T> void readPathAndNode(final DataInput in, final T instance, final Applier<T> applier)
+ throws IOException {
+ final NormalizedNodeDataInput stream = NormalizedNodeInputOutput.newDataInput(in);
+ YangInstanceIdentifier path = stream.readYangInstanceIdentifier();
+ NormalizedNode<?, ?> node = stream.readNormalizedNode();
+ applier.apply(instance, path, node);
+ }
+
+ public static void writePathAndNode(final DataOutput out, final YangInstanceIdentifier path,
+ final NormalizedNode<?, ?> node) throws IOException {
+ try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out)) {
+ stream.writeYangInstanceIdentifier(path);
+ stream.writeNormalizedNode(node);
}
}
}
Code Review / controller.git / blobdiff