BUG-5280: add FrontendMetadata

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/FrontendHistoryMetadata.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/FrontendHistoryMetadata.java
new file mode 100644 (file)
index 0000000..2a52ecc
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/persisted/FrontendHistoryMetadata.java
@@ -0,0 +1,69 @@
+/*
+ * 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.base.MoreObjects;
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+import org.opendaylight.yangtools.concepts.WritableObject;
+import org.opendaylight.yangtools.concepts.WritableObjects;
+
+public final class FrontendHistoryMetadata implements WritableObject {
+    private final long historyId;
+    private final long cookie;
+    private final long nextTransaction;
+    private final boolean closed;
+
+    public FrontendHistoryMetadata(final long historyId, final long cookie, final long nextTransaction,
+            final boolean closed) {
+        this.historyId = historyId;
+        this.cookie = cookie;
+        this.nextTransaction = nextTransaction;
+        this.closed = closed;
+    }
+
+    public long getHistoryId() {
+        return historyId;
+    }
+
+    public long getCookie() {
+        return cookie;
+    }
+
+    public long getNextTransaction() {
+        return nextTransaction;
+    }
+
+    public boolean isClosed() {
+        return closed;
+    }
+
+    @Override
+    public void writeTo(final DataOutput out) throws IOException {
+        WritableObjects.writeLongs(out, historyId, cookie);
+        WritableObjects.writeLong(out, nextTransaction);
+        out.writeBoolean(closed);
+    }
+
+    public static FrontendHistoryMetadata readFrom(final DataInput in) throws IOException {
+        final byte header = WritableObjects.readLongHeader(in);
+        final long historyId = WritableObjects.readFirstLong(in, header);
+        final long cookie = WritableObjects.readSecondLong(in, header);
+        final long nextTransaction = WritableObjects.readLong(in);
+        final boolean closed = in.readBoolean();
+
+        return new FrontendHistoryMetadata(historyId, cookie, nextTransaction, closed);
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(FrontendHistoryMetadata.class).add("historiId", historyId)
+                .add("cookie", cookie).add("nextTransaction", nextTransaction).add("closed", closed).toString();
+    }
+}