Change BatchedModifications to extend VersionedExternalizableMessage

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/modification/MutableCompositeModification.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/modification/MutableCompositeModification.java
index 9f37ba42d3c97076af0dfff3146c61338036968d..d7e89597e2950473d056f0c806d8af3ca7b114c5 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/modification/MutableCompositeModification.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/modification/MutableCompositeModification.java
@@ -8,24 +8,37 @@
 
 package org.opendaylight.controller.cluster.datastore.modification;
 
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
-
-import java.io.Serializable;
+import java.io.IOException;
+import java.io.ObjectInput;
+import java.io.ObjectOutput;
 import java.util.ArrayList;
-import java.util.Collections;
 import java.util.List;
+import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
+import org.opendaylight.controller.cluster.datastore.messages.VersionedExternalizableMessage;
+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.utils.SerializationUtils;
+import org.opendaylight.controller.protobuff.messages.persistent.PersistentMessages;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
 
 /**
  * MutableCompositeModification is just a mutable version of a
  * CompositeModification {@link org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification#addModification(Modification)}
  */
-public class MutableCompositeModification
-    implements CompositeModification, Serializable {
-
-    private static final long serialVersionUID = 1163377899140186790L;
+public class MutableCompositeModification extends VersionedExternalizableMessage implements CompositeModification {
+    private static final long serialVersionUID = 1L;
 
     private final List<Modification> modifications = new ArrayList<>();
 
+    public MutableCompositeModification() {
+        this(DataStoreVersions.CURRENT_VERSION);
+    }
+
+    public MutableCompositeModification(short version) {
+        super(version);
+    }
+
     @Override
     public void apply(DOMStoreWriteTransaction transaction) {
         for (Modification modification : modifications) {
@@ -33,6 +46,18 @@ public class MutableCompositeModification
         }
     }
 
+    @Override
+    public void apply(DataTreeModification transaction) {
+        for (Modification modification : modifications) {
+            modification.apply(transaction);
+        }
+    }
+
+    @Override
+    public byte getType() {
+        return COMPOSITE;
+    }
+
     /**
      * Add a new Modification to the list of Modifications represented by this
      * composite
@@ -43,7 +68,105 @@ public class MutableCompositeModification
         modifications.add(modification);
     }
 
+    @Override
     public List<Modification> getModifications() {
-        return Collections.unmodifiableList(modifications);
+        return modifications;
+    }
+
+    @Override
+    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+        super.readExternal(in);
+
+        int size = in.readInt();
+
+        if(size > 1) {
+            SerializationUtils.REUSABLE_READER_TL.set(new NormalizedNodeInputStreamReader(in));
+        }
+
+        try {
+            for(int i = 0; i < size; i++) {
+                byte type = in.readByte();
+                switch(type) {
+                case Modification.WRITE:
+                    modifications.add(WriteModification.fromStream(in, getVersion()));
+                    break;
+
+                case Modification.MERGE:
+                    modifications.add(MergeModification.fromStream(in, getVersion()));
+                    break;
+
+                case Modification.DELETE:
+                    modifications.add(DeleteModification.fromStream(in, getVersion()));
+                    break;
+                }
+            }
+        } finally {
+            SerializationUtils.REUSABLE_READER_TL.remove();
+        }
+    }
+
+    @Override
+    public void writeExternal(ObjectOutput out) throws IOException {
+        super.writeExternal(out);
+
+        out.writeInt(modifications.size());
+
+        if(modifications.size() > 1) {
+            SerializationUtils.REUSABLE_WRITER_TL.set(NormalizedNodeInputOutput.newDataOutput(out));
+        }
+
+        try {
+            for(Modification mod: modifications) {
+                out.writeByte(mod.getType());
+                mod.writeExternal(out);
+            }
+        } finally {
+            SerializationUtils.REUSABLE_WRITER_TL.remove();
+        }
+    }
+
+    @Override
+    @Deprecated
+    protected Object newLegacySerializedInstance() {
+        if(getVersion() >= DataStoreVersions.LITHIUM_VERSION) {
+            return this;
+        } else {
+            PersistentMessages.CompositeModification.Builder builder =
+                    PersistentMessages.CompositeModification.newBuilder();
+
+            builder.setTimeStamp(System.nanoTime());
+
+            for (Modification m : modifications) {
+                builder.addModification((PersistentMessages.Modification) m.toSerializable());
+            }
+
+            return builder.build();
+        }
+    }
+
+    public static MutableCompositeModification fromSerializable(Object serializable) {
+        if(serializable instanceof MutableCompositeModification) {
+            return (MutableCompositeModification)serializable;
+        } else {
+            return fromLegacySerializable(serializable);
+        }
+    }
+
+    @Deprecated
+    private static MutableCompositeModification fromLegacySerializable(Object serializable) {
+        PersistentMessages.CompositeModification o = (PersistentMessages.CompositeModification) serializable;
+        MutableCompositeModification compositeModification = new MutableCompositeModification();
+
+        for(PersistentMessages.Modification m : o.getModificationList()){
+            if(m.getType().equals(DeleteModification.class.toString())){
+                compositeModification.addModification(DeleteModification.fromSerializable(m));
+            } else if(m.getType().equals(WriteModification.class.toString())){
+                compositeModification.addModification(WriteModification.fromSerializable(m));
+            } else if(m.getType().equals(MergeModification.class.toString())){
+                compositeModification.addModification(MergeModification.fromSerializable(m));
+            }
+        }
+
+        return compositeModification;
     }
 }