*/
package org.opendaylight.controller.cluster.datastore.node.utils.stream;
-import java.io.ByteArrayInputStream;
import java.io.DataInput;
-import java.io.DataInputStream;
import java.io.DataOutput;
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;
* @author Thomas Pantelis
*/
public final class SerializationUtils {
- 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 NormalizedNodeDataInput streamReader(final DataInput in) throws IOException {
- NormalizedNodeDataInput streamReader = REUSABLE_READER_TL.get();
- if (streamReader == null) {
- streamReader = NormalizedNodeInputOutput.newDataInput(in);
- }
-
- return streamReader;
- }
-
- public static <T> void deserializePathAndNode(final DataInput in, final T instance, final 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);
- }
- }
-
- private static NormalizedNode<?, ?> tryDeserializeNormalizedNode(final DataInput in) throws IOException {
- boolean present = in.readBoolean();
- if (present) {
- NormalizedNodeDataInput streamReader = streamReader(in);
- return streamReader.readNormalizedNode();
- }
-
- return null;
- }
-
- public static NormalizedNode<?, ?> deserializeNormalizedNode(final DataInput in) {
- try {
- return tryDeserializeNormalizedNode(in);
- } catch (IOException e) {
- throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
- }
- }
-
- public static NormalizedNode<?, ?> deserializeNormalizedNode(final byte [] bytes) {
- try {
- return tryDeserializeNormalizedNode(new DataInputStream(new ByteArrayInputStream(bytes)));
- } catch (IOException e) {
- throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
+ public static Optional<NormalizedNode<?, ?>> readNormalizedNode(final DataInput in) throws IOException {
+ if (!in.readBoolean()) {
+ return Optional.empty();
}
+ return Optional.of(NormalizedNodeInputOutput.newDataInput(in).readNormalizedNode());
}
public static void writeNormalizedNode(final DataOutput out, final @Nullable NormalizedNode<?, ?> node)
}
}
+ public static YangInstanceIdentifier readPath(final DataInput in) throws IOException {
+ return NormalizedNodeInputOutput.newDataInput(in).readYangInstanceIdentifier();
+ }
+
public static void writePath(final DataOutput out, final @NonNull YangInstanceIdentifier path)
throws IOException {
try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out)) {
}
}
+ 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 writeNodeAndPath(final DataOutput out, final YangInstanceIdentifier path,
final NormalizedNode<?, ?> node) throws IOException {
try (NormalizedNodeDataOutput stream = NormalizedNodeInputOutput.newDataOutput(out)) {
}
}
+ 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.writeNormalizedNode(node);
}
}
-
- public static YangInstanceIdentifier deserializePath(final DataInput in) {
- try {
- NormalizedNodeDataInput streamReader = streamReader(in);
- return streamReader.readYangInstanceIdentifier();
- } catch (IOException e) {
- throw new IllegalArgumentException("Error deserializing path", e);
- }
- }
}