Added utility SynchronizedTransaction wrapper implementation.

Change-Id: Ic35661a59fde08f0ec0b72121cd2e3dedf1de480
Signed-off-by: Tony Tkacik <ttkacik@cisco.com>

diff --git a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/data/SynchronizedTransaction.java b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/data/SynchronizedTransaction.java
new file mode 100644 (file)
index 0000000..d7cb926
--- /dev/null
+++ b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/data/SynchronizedTransaction.java
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.sal.binding.api.data;
+
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.Future;
+
+import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
+import org.opendaylight.yangtools.concepts.Delegator;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+
+import com.google.common.base.Preconditions;
+
+/**
+ * Synchronized wrapper for DataModificationTransaction.
+ * 
+ * To get instance of synchronized wrapper use {@link #from(DataModificationTransaction)}
+ *
+ */
+public final class SynchronizedTransaction implements DataModificationTransaction,Delegator<DataModificationTransaction> {
+
+    private final DataModificationTransaction delegate;
+    
+    private SynchronizedTransaction(DataModificationTransaction delegate) {
+        this.delegate = delegate;
+    }
+
+    /**
+     * Returns synchronized wrapper on supplied transaction.
+     * 
+     * @param transaction Transaction for which synchronized wrapper should be created.
+     * @return Synchronized wrapper over transaction.
+     */
+    public static final SynchronizedTransaction from(DataModificationTransaction transaction) {
+        Preconditions.checkArgument(transaction != null, "Transaction must not be null.");
+        if (transaction instanceof SynchronizedTransaction) {
+            return (SynchronizedTransaction) transaction;
+        }
+        return new SynchronizedTransaction(transaction);
+    }
+
+    @Override
+    public synchronized Map<InstanceIdentifier<? extends DataObject>, DataObject> getCreatedOperationalData() {
+        return delegate.getCreatedOperationalData();
+    }
+
+    @Override
+    public synchronized Map<InstanceIdentifier<? extends DataObject>, DataObject> getCreatedConfigurationData() {
+        return delegate.getCreatedConfigurationData();
+    }
+
+    @Override
+    public synchronized DataObject readOperationalData(InstanceIdentifier<? extends DataObject> path) {
+        return delegate.readOperationalData(path);
+    }
+
+    @Override
+    public synchronized TransactionStatus getStatus() {
+        return delegate.getStatus();
+    }
+
+    @Override
+    public synchronized Map<InstanceIdentifier<? extends DataObject>, DataObject> getUpdatedOperationalData() {
+        return delegate.getUpdatedOperationalData();
+    }
+
+    @Deprecated
+    public synchronized void putRuntimeData(InstanceIdentifier<? extends DataObject> path, DataObject data) {
+        delegate.putRuntimeData(path, data);
+    }
+
+    @Override
+    public synchronized Object getIdentifier() {
+        return delegate.getIdentifier();
+    }
+
+    @Override
+    public synchronized DataObject readConfigurationData(InstanceIdentifier<? extends DataObject> path) {
+        return delegate.readConfigurationData(path);
+    }
+
+    @Override
+    public synchronized Future<RpcResult<TransactionStatus>> commit() {
+        return delegate.commit();
+    }
+
+    @Override
+    public synchronized void putOperationalData(InstanceIdentifier<? extends DataObject> path, DataObject data) {
+        delegate.putOperationalData(path, data);
+    }
+
+    @Override
+    public synchronized void putConfigurationData(InstanceIdentifier<? extends DataObject> path, DataObject data) {
+        delegate.putConfigurationData(path, data);
+    }
+
+    @Override
+    public synchronized Map<InstanceIdentifier<? extends DataObject>, DataObject> getUpdatedConfigurationData() {
+        return delegate.getUpdatedConfigurationData();
+    }
+
+    @Deprecated
+    public synchronized void removeRuntimeData(InstanceIdentifier<? extends DataObject> path) {
+        delegate.removeRuntimeData(path);
+    }
+
+    @Override
+    public synchronized void removeOperationalData(InstanceIdentifier<? extends DataObject> path) {
+        delegate.removeOperationalData(path);
+    }
+
+    @Override
+    public synchronized void removeConfigurationData(InstanceIdentifier<? extends DataObject> path) {
+        delegate.removeConfigurationData(path);
+    }
+
+    @Override
+    public synchronized Set<InstanceIdentifier<? extends DataObject>> getRemovedConfigurationData() {
+        return delegate.getRemovedConfigurationData();
+    }
+
+    @Override
+    public synchronized Set<InstanceIdentifier<? extends DataObject>> getRemovedOperationalData() {
+        return delegate.getRemovedOperationalData();
+    }
+
+    @Override
+    public synchronized Map<InstanceIdentifier<? extends DataObject>, DataObject> getOriginalConfigurationData() {
+        return delegate.getOriginalConfigurationData();
+    }
+
+    @Override
+    public synchronized ListenerRegistration<DataTransactionListener> registerListener(DataTransactionListener listener) {
+        return delegate.registerListener(listener);
+    }
+
+    @Override
+    public synchronized Map<InstanceIdentifier<? extends DataObject>, DataObject> getOriginalOperationalData() {
+        return delegate.getOriginalOperationalData();
+    }
+
+    @Override
+    public synchronized DataModificationTransaction getDelegate() {
+        return delegate;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + ((delegate == null) ? 0 : delegate.hashCode());
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()){
+            return false;
+        }
+        SynchronizedTransaction other = (SynchronizedTransaction) obj;
+        if (delegate == null) {
+            if (other.delegate != null) {
+                return false;
+            }
+        } else if (!delegate.equals(other.delegate)) {
+            return false;
+        }
+        return true;
+    }
+}
+