Fix modernization issues
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / OperationLimiter.java
index e1fee6d62b485393f3f98f9c3f9ffcfe64f34db9..3f0c98c47ff218bc105be34a8b9d2cab10ab8a88 100644 (file)
@@ -7,8 +7,10 @@
  */
 package org.opendaylight.controller.cluster.datastore;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Preconditions;
 import java.util.concurrent.Semaphore;
 import java.util.concurrent.TimeUnit;
 import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
@@ -26,12 +28,12 @@ public class OperationLimiter  {
     private final int maxPermits;
 
     OperationLimiter(final TransactionIdentifier identifier, final int maxPermits, final long acquireTimeoutSeconds) {
-        this.identifier = Preconditions.checkNotNull(identifier);
+        this.identifier = requireNonNull(identifier);
 
-        Preconditions.checkArgument(acquireTimeoutSeconds >= 0);
+        checkArgument(acquireTimeoutSeconds >= 0);
         this.acquireTimeout = TimeUnit.SECONDS.toNanos(acquireTimeoutSeconds);
 
-        Preconditions.checkArgument(maxPermits >= 0);
+        checkArgument(maxPermits >= 0);
         this.maxPermits = maxPermits;
         this.semaphore = new Semaphore(maxPermits);
     }
@@ -60,7 +62,7 @@ public class OperationLimiter  {
         release(1);
     }
 
-    void release(int permits) {
+    void release(final int permits) {
         this.semaphore.release(permits);
     }