Reduce JSR305 proliferation

[controller.git] / opendaylight / md-sal / sal-clustering-commons / src / main / java / org / opendaylight / controller / cluster / messaging / MessageSlicer.java

diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/messaging/MessageSlicer.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/messaging/MessageSlicer.java
index fd08a95a34c5d6114323423f07f76806f910fd24..57a6f9ed4f44d48ffb2720126b32c21627222b3a 100644 (file)
--- a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/messaging/MessageSlicer.java
+++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/messaging/MessageSlicer.java
@@ -7,21 +7,22 @@
  */
 package org.opendaylight.controller.cluster.messaging;
 
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.util.Objects.requireNonNull;
+
 import akka.actor.ActorRef;
 import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Preconditions;
 import com.google.common.cache.Cache;
 import com.google.common.cache.CacheBuilder;
 import com.google.common.cache.RemovalNotification;
 import java.io.IOException;
 import java.io.ObjectOutputStream;
 import java.io.Serializable;
-import java.util.Iterator;
 import java.util.Optional;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.function.Predicate;
-import javax.annotation.Nonnull;
+import org.eclipse.jdt.annotation.NonNull;
 import org.opendaylight.controller.cluster.io.FileBackedOutputStream;
 import org.opendaylight.controller.cluster.io.FileBackedOutputStreamFactory;
 import org.opendaylight.yangtools.concepts.Identifier;
@@ -46,7 +47,7 @@ public class MessageSlicer implements AutoCloseable {
     private final String logContext;
     private final long id;
 
-    private MessageSlicer(final Builder builder) {
+    MessageSlicer(final Builder builder) {
         this.fileBackedStreamFactory = builder.fileBackedStreamFactory;
         this.messageSliceSize = builder.messageSliceSize;
         this.maxSlicingTries = builder.maxSlicingTries;
@@ -55,7 +56,7 @@ public class MessageSlicer implements AutoCloseable {
         this.logContext = builder.logContext + "_slicer-id-" + id;
 
         CacheBuilder<Identifier, SlicedMessageState<ActorRef>> cacheBuilder =
-                CacheBuilder.newBuilder().removalListener(notification -> stateRemoved(notification));
+                CacheBuilder.newBuilder().removalListener(this::stateRemoved);
         if (builder.expireStateAfterInactivityDuration > 0) {
             cacheBuilder = cacheBuilder.expireAfterAccess(builder.expireStateAfterInactivityDuration,
                     builder.expireStateAfterInactivityUnit);
@@ -102,7 +103,7 @@ public class MessageSlicer implements AutoCloseable {
         if (message != null) {
             LOG.debug("{}: slice: identifier: {}, message: {}", logContext, identifier, message);
 
-            Preconditions.checkNotNull(fileBackedStreamFactory,
+            requireNonNull(fileBackedStreamFactory,
                     "The FiledBackedStreamFactory must be set in order to call this slice method");
 
             // Serialize the message to a FileBackedOutputStream.
@@ -205,13 +206,9 @@ public class MessageSlicer implements AutoCloseable {
      *
      * @param filter filters by Identifier
      */
-    public void cancelSlicing(@Nonnull final Predicate<Identifier> filter) {
-        final Iterator<MessageSliceIdentifier> iter = stateCache.asMap().keySet().iterator();
-        while (iter.hasNext()) {
-            if (filter.test(iter.next().getClientIdentifier())) {
-                iter.remove();
-            }
-        }
+    public void cancelSlicing(final @NonNull Predicate<Identifier> filter) {
+        stateCache.asMap().keySet().removeIf(
+            messageSliceIdentifier -> filter.test(messageSliceIdentifier.getClientIdentifier()));
     }
 
     private static MessageSlice getNextSliceMessage(final SlicedMessageState<ActorRef> state) throws IOException {
@@ -339,7 +336,7 @@ public class MessageSlicer implements AutoCloseable {
          * @return this Builder
          */
         public Builder fileBackedStreamFactory(final FileBackedOutputStreamFactory newFileBackedStreamFactory) {
-            this.fileBackedStreamFactory = Preconditions.checkNotNull(newFileBackedStreamFactory);
+            this.fileBackedStreamFactory = requireNonNull(newFileBackedStreamFactory);
             return this;
         }
 
@@ -350,7 +347,7 @@ public class MessageSlicer implements AutoCloseable {
          * @return this Builder
          */
         public Builder messageSliceSize(final int newMessageSliceSize) {
-            Preconditions.checkArgument(newMessageSliceSize > 0, "messageSliceSize must be > 0");
+            checkArgument(newMessageSliceSize > 0, "messageSliceSize must be > 0");
             this.messageSliceSize = newMessageSliceSize;
             return this;
         }
@@ -363,7 +360,7 @@ public class MessageSlicer implements AutoCloseable {
          * @return this Builder
          */
         public Builder maxSlicingTries(final int newMaxSlicingTries) {
-            Preconditions.checkArgument(newMaxSlicingTries > 0, "newMaxSlicingTries must be > 0");
+            checkArgument(newMaxSlicingTries > 0, "newMaxSlicingTries must be > 0");
             this.maxSlicingTries = newMaxSlicingTries;
             return this;
         }
@@ -378,7 +375,7 @@ public class MessageSlicer implements AutoCloseable {
          * @return this Builder
          */
         public Builder expireStateAfterInactivity(final long duration, final TimeUnit unit) {
-            Preconditions.checkArgument(duration > 0, "duration must be > 0");
+            checkArgument(duration > 0, "duration must be > 0");
             this.expireStateAfterInactivityDuration = duration;
             this.expireStateAfterInactivityUnit = unit;
             return this;
@@ -391,7 +388,7 @@ public class MessageSlicer implements AutoCloseable {
          * @return this Builder
          */
         public Builder logContext(final String newLogContext) {
-            this.logContext = Preconditions.checkNotNull(newLogContext);
+            this.logContext = requireNonNull(newLogContext);
             return this;
         }