Migrate nullness annotations
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / FrontendTransaction.java
index b25e5da42a22f95b861bdbf9ea5cdbf2d331fecb..b5cd5879f74d45ddad6534213d5ae880813207a3 100644 (file)
@@ -13,8 +13,8 @@ import com.google.common.base.Verify;
 import java.util.ArrayDeque;
 import java.util.Optional;
 import java.util.Queue;
-import javax.annotation.Nullable;
 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;
 import org.opendaylight.controller.cluster.access.commands.OutOfOrderRequestException;
@@ -70,10 +70,10 @@ abstract class FrontendTransaction implements Identifiable<TransactionIdentifier
         return history().persistenceId();
     }
 
-    final java.util.Optional<TransactionSuccess<?>> replaySequence(final long sequence) throws RequestException {
+    final Optional<TransactionSuccess<?>> replaySequence(final long sequence) throws RequestException {
         // Fast path check: if the requested sequence is the next request, bail early
         if (expectedSequence == sequence) {
-            return java.util.Optional.empty();
+            return Optional.empty();
         }
 
         // Check sequencing: we do not need to bother with future requests
@@ -109,7 +109,7 @@ abstract class FrontendTransaction implements Identifiable<TransactionIdentifier
         }
 
         // Not found
-        return java.util.Optional.empty();
+        return Optional.empty();
     }
 
     final void purgeSequencesUpTo(final long sequence) {
@@ -120,9 +120,8 @@ abstract class FrontendTransaction implements Identifiable<TransactionIdentifier
 
     // Request order has already been checked by caller and replaySequence()
     @SuppressWarnings("checkstyle:IllegalCatch")
-    @Nullable
-    final TransactionSuccess<?> handleRequest(final TransactionRequest<?> request, final RequestEnvelope envelope,
-            final long now) throws RequestException {
+    final @Nullable TransactionSuccess<?> handleRequest(final TransactionRequest<?> request,
+            final RequestEnvelope envelope, final long now) throws RequestException {
         if (request instanceof IncrementTransactionSequenceRequest) {
             final IncrementTransactionSequenceRequest incr = (IncrementTransactionSequenceRequest) request;
             expectedSequence += incr.getIncrement();
@@ -151,8 +150,7 @@ abstract class FrontendTransaction implements Identifiable<TransactionIdentifier
         }
     }
 
-    @Nullable
-    abstract TransactionSuccess<?> doHandleRequest(TransactionRequest<?> request, RequestEnvelope envelope,
+    abstract @Nullable TransactionSuccess<?> doHandleRequest(TransactionRequest<?> request, RequestEnvelope envelope,
             long now) throws RequestException;
 
     abstract void retire();