Optimizations, Monitoring and Logging

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/identifiers/TransactionIdentifier.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/identifiers/TransactionIdentifier.java
new file mode 100644 (file)
index 0000000..ba2e27c
--- /dev/null
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/identifiers/TransactionIdentifier.java
@@ -0,0 +1,80 @@
+/*
+ * 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.cluster.datastore.identifiers;
+
+import com.google.common.base.Preconditions;
+
+public class TransactionIdentifier {
+    private final String memberName;
+    private final long counter;
+
+
+    public TransactionIdentifier(String memberName, long counter) {
+        this.memberName = Preconditions.checkNotNull(memberName, "memberName should not be null");
+        this.counter = counter;
+    }
+
+    public static Builder builder(){
+        return new Builder();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+
+        TransactionIdentifier that = (TransactionIdentifier) o;
+
+        if (counter != that.counter) {
+            return false;
+        }
+        if (!memberName.equals(that.memberName)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        int result = memberName.hashCode();
+        result = 31 * result + (int) (counter ^ (counter >>> 32));
+        return result;
+    }
+
+    @Override public String toString() {
+        final StringBuilder sb =
+            new StringBuilder();
+        sb.append(memberName).append("-txn-").append(counter);
+        return sb.toString();
+    }
+
+    public static class Builder {
+        private String memberName;
+        private long counter;
+
+        public TransactionIdentifier build(){
+            return new TransactionIdentifier(memberName, counter);
+        }
+
+        public Builder memberName(String memberName){
+            this.memberName = memberName;
+            return this;
+        }
+
+        public Builder counter(long counter){
+            this.counter = counter;
+            return this;
+        }
+    }
+}