BUG-5280: add CommitTransactionPayload
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / persisted / AbortTransactionPayload.java
diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/AbortTransactionPayload.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/AbortTransactionPayload.java
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+/*
+ * 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.cluster.datastore.persisted;
+
+import com.google.common.io.ByteArrayDataOutput;
+import com.google.common.io.ByteStreams;
+import java.io.DataInput;
+import java.io.IOException;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+
+/**
+ * Payload persisted when a transaction is aborted. It contains the transaction identifier.
+ *
+ * @author Robert Varga
+ */
+public final class AbortTransactionPayload extends AbstractIdentifiablePayload<TransactionIdentifier> {
+    private static final class Proxy extends AbstractProxy<TransactionIdentifier> {
+        private static final long serialVersionUID = 1L;
+
+        public Proxy() {
+            // For Externalizable
+        }
+
+        Proxy(final byte[] serialized) {
+            super(serialized);
+        }
+
+        @Override
+        protected TransactionIdentifier readIdentifier(final DataInput in) throws IOException {
+            return TransactionIdentifier.readFrom(in);
+        }
+
+        @Override
+        protected AbortTransactionPayload createObject(final TransactionIdentifier identifier,
+                final byte[] serialized) {
+            return new AbortTransactionPayload(identifier, serialized);
+        }
+    }
+
+    private static final long serialVersionUID = 1L;
+
+    AbortTransactionPayload(final TransactionIdentifier transactionId, final byte[] serialized) {
+        super(transactionId, serialized);
+    }
+
+    public static AbortTransactionPayload create(final TransactionIdentifier transactionId) throws IOException {
+        final ByteArrayDataOutput out = ByteStreams.newDataOutput();
+        transactionId.writeTo(out);
+        return new AbortTransactionPayload(transactionId, out.toByteArray());
+    }
+
+    @Override
+    protected Proxy externalizableProxy(final byte[] serialized) {
+        return new Proxy(serialized);
+    }
+}