Fix modernization issues

[controller.git] / opendaylight / md-sal / sal-binding-broker / src / main / java / org / opendaylight / controller / md / sal / binding / impl / RpcServiceAdapter.java

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/RpcServiceAdapter.java b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/RpcServiceAdapter.java
index 63c20e5c3785fcdafc0b4312d1ac4d60051183e8..af2ad1dc5baea14cbd7dc064ba6aa42fafbff067 100644 (file)
--- a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/RpcServiceAdapter.java
+++ b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/RpcServiceAdapter.java
@@ -7,7 +7,8 @@
  */
 package org.opendaylight.controller.md.sal.binding.impl;
 
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
 import com.google.common.collect.ImmutableMap;
 import com.google.common.util.concurrent.CheckedFuture;
 import com.google.common.util.concurrent.Futures;
@@ -45,6 +46,7 @@ import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 
+@Deprecated
 class RpcServiceAdapter implements InvocationHandler {
 
     private final ImmutableMap<Method, RpcInvocationStrategy> rpcNames;
@@ -55,9 +57,9 @@ class RpcServiceAdapter implements InvocationHandler {
 
     RpcServiceAdapter(final Class<? extends RpcService> type, final BindingToNormalizedNodeCodec codec,
             final DOMRpcService domService) {
-        this.type = Preconditions.checkNotNull(type);
-        this.codec = Preconditions.checkNotNull(codec);
-        this.delegate = Preconditions.checkNotNull(domService);
+        this.type = requireNonNull(type);
+        this.codec = requireNonNull(codec);
+        this.delegate = requireNonNull(domService);
         final ImmutableMap.Builder<Method, RpcInvocationStrategy> rpcBuilder = ImmutableMap.builder();
         for (final Entry<Method, RpcDefinition> rpc : codec.getRpcMethodToSchema(type).entrySet()) {
             rpcBuilder.put(rpc.getKey(), createStrategy(rpc.getKey(), rpc.getValue()));
@@ -94,11 +96,11 @@ class RpcServiceAdapter implements InvocationHandler {
     }
 
     @Override
-    public Object invoke(final Object proxyObj, final Method method, final Object[] args) throws Throwable {
+    public Object invoke(final Object proxyObj, final Method method, final Object[] args) {
 
         final RpcInvocationStrategy rpc = rpcNames.get(method);
         if (rpc != null) {
-            if (method.getParameterTypes().length == 0) {
+            if (method.getParameterCount() == 0) {
                 return rpc.invokeEmpty();
             }
             if (args.length != 1) {
@@ -116,11 +118,11 @@ class RpcServiceAdapter implements InvocationHandler {
     private static boolean isObjectMethod(final Method method) {
         switch (method.getName()) {
             case "toString":
-                return method.getReturnType().equals(String.class) && method.getParameterTypes().length == 0;
+                return method.getReturnType().equals(String.class) && method.getParameterCount() == 0;
             case "hashCode":
-                return method.getReturnType().equals(int.class) && method.getParameterTypes().length == 0;
+                return method.getReturnType().equals(int.class) && method.getParameterCount() == 0;
             case "equals":
-                return method.getReturnType().equals(boolean.class) && method.getParameterTypes().length == 1 && method
+                return method.getReturnType().equals(boolean.class) && method.getParameterCount() == 1 && method
                         .getParameterTypes()[0] == Object.class;
             default:
                 return false;
@@ -154,7 +156,7 @@ class RpcServiceAdapter implements InvocationHandler {
 
             // DOMRpcResult does not have a notion of success, hence we have to reverse-engineer it by looking
             // at reported errors and checking whether they are just warnings.
-            final Collection<RpcError> errors = input.getErrors();
+            final Collection<? extends RpcError> errors = input.getErrors();
             return RpcResult.class.cast(RpcResultBuilder.status(errors.stream()
                 .noneMatch(error -> error.getSeverity() == ErrorSeverity.ERROR))
                 .withResult(bindingResult).withRpcErrors(errors).build());