Remove legacy NormalizedNode serialization classes

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / utils / SerializationUtils.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/SerializationUtils.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/SerializationUtils.java
index 8404a6e6d81f99788b5dcba2dca5aa1b4ba2c763..2e3cfd0e3a1f96d62b329c30ed1c34473235d52c 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/SerializationUtils.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/utils/SerializationUtils.java
@@ -8,42 +8,69 @@
 package org.opendaylight.controller.cluster.datastore.utils;
 
 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 org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeInputStreamReader;
-import org.opendaylight.controller.cluster.datastore.node.utils.stream.NormalizedNodeOutputStreamWriter;
+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.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
+ * @deprecated use {@link org.opendaylight.controller.cluster.datastore.node.utils.stream.SerializationUtils} instead
  */
+@Deprecated
 public final class SerializationUtils {
-    public static interface Applier<T> {
+    public static final ThreadLocal<NormalizedNodeDataOutput> REUSABLE_WRITER_TL = new ThreadLocal<>();
+    public static final ThreadLocal<NormalizedNodeDataInput> REUSABLE_READER_TL = new ThreadLocal<>();
+
+    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 = NormalizedNodeInputOutput.newDataInput(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);
@@ -52,30 +79,67 @@ public final class SerializationUtils {
         }
     }
 
+    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 {
+            return tryDeserializeNormalizedNode(in);
+        } catch (IOException e) {
+            throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
+        }
+    }
+
+    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 serializeNormalizedNode(NormalizedNode<?, ?> node, DataOutput out) {
         try {
             out.writeBoolean(node != null);
-            if(node != null) {
-                NormalizedNodeOutputStreamWriter streamWriter = new NormalizedNodeOutputStreamWriter(out);
-                NormalizedNodeWriter.forStreamWriter(streamWriter).write(node);
+            if (node != null) {
+                NormalizedNodeDataOutput streamWriter = streamWriter(out);
+                streamWriter.writeNormalizedNode(node);
             }
         } catch (IOException e) {
-            throw new IllegalArgumentException(String.format("Error serializing NormalizedNode {}",
+            throw new IllegalArgumentException(String.format("Error serializing NormalizedNode %s",
                     node), e);
         }
     }
 
-    public static NormalizedNode<?, ?> deserializeNormalizedNode(DataInput in) {
-            try {
-                boolean present = in.readBoolean();
-                if(present) {
-                    NormalizedNodeInputStreamReader streamReader = new NormalizedNodeInputStreamReader(in);
-                    return streamReader.readNormalizedNode();
-                }
-            } catch (IOException e) {
-                throw new IllegalArgumentException("Error deserializing NormalizedNode", e);
-            }
+    public static byte [] serializeNormalizedNode(NormalizedNode<?, ?> node) {
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        serializeNormalizedNode(node, new DataOutputStream(bos));
+        return bos.toByteArray();
+    }
 
-        return null;
+    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 YangInstanceIdentifier deserializePath(DataInput in) {
+        try {
+            NormalizedNodeDataInput streamReader = streamReader(in);
+            return streamReader.readYangInstanceIdentifier();
+        } catch (IOException e) {
+            throw new IllegalArgumentException("Error deserializing path", e);
+        }
     }
 }