Bug 7521: Convert Snapshot to store a State instance

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / test / java / org / opendaylight / controller / cluster / raft / persisted / ByteState.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/persisted/ByteState.java b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/persisted/ByteState.java
new file mode 100644 (file)
index 0000000..42411a9
--- /dev/null
+++ b/opendaylight/md-sal/sal-akka-raft/src/test/java/org/opendaylight/controller/cluster/raft/persisted/ByteState.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2017 Brocade Communications 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.raft.persisted;
+
+import com.google.common.base.Preconditions;
+import java.util.Arrays;
+import javax.annotation.Nonnull;
+
+/**
+ * Snapshot State implementation backed by a byte[].
+ *
+ * @author Thomas Pantelis
+ */
+public class ByteState implements Snapshot.State {
+    private static final long serialVersionUID = 1L;
+
+    private final byte[] bytes;
+
+    private ByteState(@Nonnull byte[] bytes) {
+        this.bytes = Preconditions.checkNotNull(bytes);
+    }
+
+    public static ByteState of(@Nonnull byte[] bytes) {
+        return new ByteState(bytes);
+    }
+
+    public static ByteState empty() {
+        return new ByteState(new byte[0]);
+    }
+
+    public byte[] getBytes() {
+        return bytes;
+    }
+
+    @Override
+    public int hashCode() {
+        final int prime = 31;
+        int result = 1;
+        result = prime * result + Arrays.hashCode(bytes);
+        return result;
+    }
+
+    @Override
+    public boolean equals(Object obj) {
+        if (this == obj) {
+            return true;
+        }
+        if (obj == null) {
+            return false;
+        }
+        if (getClass() != obj.getClass()) {
+            return false;
+        }
+        ByteState other = (ByteState) obj;
+        if (!Arrays.equals(bytes, other.bytes)) {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public String toString() {
+        return "ByteState [bytes=" + Arrays.toString(bytes) + "]";
+    }
+}