Fix modernization issues

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

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/AbstractThreePhaseCommitMessage.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/AbstractThreePhaseCommitMessage.java
index ba6b64f4c8ffffc3711a570e6e06ce8d60725895..3b45e642cadddfe36c853d3376ad1909133f86e5 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/AbstractThreePhaseCommitMessage.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/AbstractThreePhaseCommitMessage.java
@@ -7,7 +7,8 @@
  */
 package org.opendaylight.controller.cluster.datastore.messages;
 
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
 import java.io.IOException;
 import java.io.ObjectInput;
 import java.io.ObjectOutput;
@@ -28,7 +29,7 @@ public abstract class AbstractThreePhaseCommitMessage extends VersionedExternali
 
     protected AbstractThreePhaseCommitMessage(final TransactionIdentifier transactionId, final short version) {
         super(version);
-        this.transactionId = Preconditions.checkNotNull(transactionId);
+        this.transactionId = requireNonNull(transactionId);
     }
 
     public TransactionIdentifier getTransactionId() {
@@ -36,13 +37,13 @@ public abstract class AbstractThreePhaseCommitMessage extends VersionedExternali
     }
 
     @Override
-    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
+    public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
         super.readExternal(in);
         transactionId = TransactionIdentifier.readFrom(in);
     }
 
     @Override
-    public void writeExternal(ObjectOutput out) throws IOException {
+    public void writeExternal(final ObjectOutput out) throws IOException {
         super.writeExternal(out);
         transactionId.writeTo(out);
     }