Bug 5700 - Backwards compatibility of sharding api's with old api's

[controller.git] / opendaylight / md-sal / sal-dom-broker / src / main / java / org / opendaylight / controller / md / sal / dom / broker / impl / legacy / sharded / adapter / ShardedDOMDataBrokerDelegatingWriteTransaction.java

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/legacy/sharded/adapter/ShardedDOMDataBrokerDelegatingWriteTransaction.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/legacy/sharded/adapter/ShardedDOMDataBrokerDelegatingWriteTransaction.java
new file mode 100644 (file)
index 0000000..b5191dd
--- /dev/null
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/legacy/sharded/adapter/ShardedDOMDataBrokerDelegatingWriteTransaction.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2016 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.md.sal.dom.broker.impl.legacy.sharded.adapter;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import com.google.common.util.concurrent.AsyncFunction;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
+import org.opendaylight.controller.md.sal.dom.broker.impl.TransactionCommitFailedExceptionMapper;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.common.RpcResultBuilder;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+
+class ShardedDOMDataBrokerDelegatingWriteTransaction implements DOMDataWriteTransaction {
+    private static final ListenableFuture<RpcResult<TransactionStatus>> SUCCESS_FUTURE =
+            Futures.immediateFuture(RpcResultBuilder.success(TransactionStatus.COMMITED).build());
+
+    private final DOMDataTreeWriteTransaction delegateTx;
+    private final Object txIdentifier;
+
+    public ShardedDOMDataBrokerDelegatingWriteTransaction(final Object txIdentifier, final DOMDataTreeWriteTransaction delegateTx) {
+        this.delegateTx = checkNotNull(delegateTx);
+        this.txIdentifier = checkNotNull(txIdentifier);
+    }
+
+    @Override
+    public void put(final LogicalDatastoreType store, final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
+        delegateTx.put(LegacyShardedDOMDataBrokerAdapterUtils.translateDataStoreType(store), path, data);
+    }
+
+    @Override
+    public void merge(final LogicalDatastoreType store, final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
+        delegateTx.merge(LegacyShardedDOMDataBrokerAdapterUtils.translateDataStoreType(store), path, data);
+    }
+
+    @Override
+    public boolean cancel() {
+        return delegateTx.cancel();
+    }
+
+    @Override
+    public void delete(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
+        delegateTx.delete(LegacyShardedDOMDataBrokerAdapterUtils.translateDataStoreType(store), path);
+    }
+
+    @Override
+    public CheckedFuture<Void, TransactionCommitFailedException> submit() {
+        return Futures.makeChecked(delegateTx.submit(), TransactionCommitFailedExceptionMapper.COMMIT_ERROR_MAPPER);
+    }
+
+    @Override
+    public ListenableFuture<RpcResult<TransactionStatus>> commit() {
+        return Futures.transform(submit(), (AsyncFunction<Void, RpcResult<TransactionStatus>>) input -> SUCCESS_FUTURE);
+    }
+
+    @Override
+    public Object getIdentifier() {
+        return txIdentifier;
+    }
+}