Propagate @Nonnull and @Nullable annotations

[yangtools.git] / yang / yang-model-util / src / main / java / org / opendaylight / yangtools / yang / model / repo / util / SchemaSourceTransformer.java

diff --git a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/repo/util/SchemaSourceTransformer.java b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/repo/util/SchemaSourceTransformer.java
index 7b58006cf08cddba495bd1450ea459915ce84ee6..24a4826983cfb7f225f787f776483d7dfb7ede69 100644 (file)
--- a/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/repo/util/SchemaSourceTransformer.java
+++ b/yang/yang-model-util/src/main/java/org/opendaylight/yangtools/yang/model/repo/util/SchemaSourceTransformer.java
@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
@@ -10,10 +11,9 @@ import com.google.common.base.Preconditions;
 import com.google.common.util.concurrent.AsyncFunction;
 import com.google.common.util.concurrent.CheckedFuture;
 import com.google.common.util.concurrent.Futures;
-
 import java.util.HashMap;
 import java.util.Map;
-
+import javax.annotation.Nonnull;
 import org.opendaylight.yangtools.util.concurrent.ExceptionMapper;
 import org.opendaylight.yangtools.util.concurrent.ReflectiveExceptionMapper;
 import org.opendaylight.yangtools.yang.model.repo.api.SchemaRepository;
@@ -29,9 +29,10 @@ import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceRegistry;
 public class SchemaSourceTransformer<S extends SchemaSourceRepresentation, D extends SchemaSourceRepresentation> implements SchemaSourceListener, SchemaSourceProvider<D> {
     private static final ExceptionMapper<SchemaSourceException> MAPPER = ReflectiveExceptionMapper.create("Source transformation", SchemaSourceException.class);
 
-    public static interface Transformation<S extends SchemaSourceRepresentation, D extends SchemaSourceRepresentation> extends AsyncFunction<S, D> {
+    @FunctionalInterface
+    public interface Transformation<S extends SchemaSourceRepresentation, D extends SchemaSourceRepresentation> extends AsyncFunction<S, D> {
         @Override
-        CheckedFuture<D, SchemaSourceException> apply(final S input) throws Exception;
+        CheckedFuture<D, SchemaSourceException> apply(@Nonnull final S input) throws Exception;
     }
 
     private final Map<PotentialSchemaSource<?>, RefcountedRegistration> sources = new HashMap<>();