X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FFrontendTransaction.java;h=de46d9d2ae4e90b766bace83bd5b19d80ea3e2c5;hb=55a9b9f42a14c56060f74b38f84d444c0fbfecc4;hp=b5cd5879f74d45ddad6534213d5ae880813207a3;hpb=127042ea7e148d9dc0282acc3780b4754ca69e12;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendTransaction.java
index b5cd5879f7..de46d9d2ae 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendTransaction.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/FrontendTransaction.java
@@ -7,13 +7,13 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.base.MoreObjects;
-import com.google.common.base.Preconditions;
 import com.google.common.base.Verify;
 import java.util.ArrayDeque;
 import java.util.Optional;
 import java.util.Queue;
-import javax.annotation.concurrent.NotThreadSafe;
 import org.eclipse.jdt.annotation.Nullable;
 import org.opendaylight.controller.cluster.access.commands.IncrementTransactionSequenceRequest;
 import org.opendaylight.controller.cluster.access.commands.IncrementTransactionSequenceSuccess;
@@ -29,11 +29,10 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 /**
- * Frontend common transaction state as observed by the shard leader.
+ * Frontend common transaction state as observed by the shard leader. This class is NOT thread-safe.
  *
  * @author Robert Varga
  */
-@NotThreadSafe
 abstract class FrontendTransaction implements Identifiable<TransactionIdentifier> {
     private static final Logger LOG = LoggerFactory.getLogger(FrontendTransaction.class);
 
@@ -53,8 +52,8 @@ abstract class FrontendTransaction implements Identifiable<TransactionIdentifier
     private RequestException previousFailure;
 
     FrontendTransaction(final AbstractFrontendHistory history, final TransactionIdentifier id) {
-        this.history = Preconditions.checkNotNull(history);
-        this.id = Preconditions.checkNotNull(id);
+        this.history = requireNonNull(history);
+        this.id = requireNonNull(id);
     }
 
     @Override