sal-common-api: use lambdas

This series of patches uses lambdas instead of anonymous classes for
functional interfaces when possible. Lambdas are replaced with method
references when appropriate.

Change-Id: Id73e97d756b267aa70e8648f41aaa4e40df50fda
Signed-off-by: Stephen Kitt <skitt@redhat.com>

diff --git a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/TransactionCommitDeadlockException.java b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/TransactionCommitDeadlockException.java
index 50952eaaf1ca90c89e02a5636e5d3594f0809252..99a92e58e6f525a6cb0680e3d683c392facc39ee 100644 (file)
--- a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/TransactionCommitDeadlockException.java
+++ b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/TransactionCommitDeadlockException.java
@@ -30,12 +30,8 @@ public class TransactionCommitDeadlockException extends TransactionCommitFailedE
             "result must be obtained asynchronously, e.g. via Futures#addCallback, to avoid deadlock.";
     private static final RpcError DEADLOCK_RPCERROR = RpcResultBuilder.newError(ErrorType.APPLICATION, "lock-denied", DEADLOCK_MESSAGE);
 
-    public static final Supplier<Exception> DEADLOCK_EXCEPTION_SUPPLIER = new Supplier<Exception>() {
-        @Override
-        public Exception get() {
-            return new TransactionCommitDeadlockException(DEADLOCK_MESSAGE, DEADLOCK_RPCERROR);
-        }
-    };
+    public static final Supplier<Exception> DEADLOCK_EXCEPTION_SUPPLIER =
+            () -> new TransactionCommitDeadlockException(DEADLOCK_MESSAGE, DEADLOCK_RPCERROR);
 
     public TransactionCommitDeadlockException(final String message, final RpcError... errors) {
         super(message, errors);