Instantiate faster RpcServiceInvokers

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

diff --git a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMRpcImplementationAdapter.java b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMRpcImplementationAdapter.java
index fac13fb2818a8a8f007ce1686dd223da555b841d..2023840e97d4d0df50185602994ef7aeed16ada2 100644 (file)
--- a/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMRpcImplementationAdapter.java
+++ b/opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/BindingDOMRpcImplementationAdapter.java
@@ -7,9 +7,18 @@
  */
 package org.opendaylight.controller.md.sal.binding.impl;
 
+import com.google.common.base.Preconditions;
+import com.google.common.cache.Cache;
+import com.google.common.cache.CacheBuilder;
 import com.google.common.util.concurrent.CheckedFuture;
 import com.google.common.util.concurrent.JdkFutureAdapters;
 import com.google.common.util.concurrent.ListenableFuture;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcIdentifier;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementation;
@@ -28,15 +37,32 @@ import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 
 public class BindingDOMRpcImplementationAdapter implements DOMRpcImplementation {
 
+    private static final Cache<Class<?>, RpcServiceInvoker> SERVICE_INVOKERS = CacheBuilder.newBuilder().weakKeys().build();
+
     private final BindingNormalizedNodeCodecRegistry codec;
     private final RpcServiceInvoker invoker;
     private final RpcService delegate;
     private final QNameModule module;
 
-    public <T extends RpcService> BindingDOMRpcImplementationAdapter(final BindingNormalizedNodeCodecRegistry codec, final Class<T> type ,final T delegate) {
-        this.codec = codec;
-        this.delegate = delegate;
-        invoker = RpcServiceInvoker.from(type);
+    public <T extends RpcService> BindingDOMRpcImplementationAdapter(final BindingNormalizedNodeCodecRegistry codec, final Class<T> type, final Map<SchemaPath, Method> localNameToMethod, final T delegate) {
+        try {
+            this.invoker = SERVICE_INVOKERS.get(type, new Callable<RpcServiceInvoker>() {
+                @Override
+                public RpcServiceInvoker call() {
+                    final Map<QName, Method> map = new HashMap<>();
+                    for (Entry<SchemaPath, Method> e : localNameToMethod.entrySet()) {
+                        map.put(e.getKey().getLastComponent(), e.getValue());
+                    }
+
+                    return RpcServiceInvoker.from(map);
+                }
+            });
+        } catch (ExecutionException e) {
+            throw new IllegalArgumentException("Failed to create invokers for type " + type, e);
+        }
+
+        this.codec = Preconditions.checkNotNull(codec);
+        this.delegate = Preconditions.checkNotNull(delegate);
         module = BindingReflections.getQNameModule(type);
     }
 
@@ -53,7 +79,7 @@ public class BindingDOMRpcImplementationAdapter implements DOMRpcImplementation
     }
 
     private DataObject deserilialize(final SchemaPath rpcPath, final NormalizedNode<?, ?> input) {
-        if(input instanceof LazySerializedContainerNode) {
+        if (input instanceof LazySerializedContainerNode) {
             return ((LazySerializedContainerNode) input).bindingData();
         }
         final SchemaPath inputSchemaPath = rpcPath.createChild(QName.create(module,"input"));
@@ -67,7 +93,7 @@ public class BindingDOMRpcImplementationAdapter implements DOMRpcImplementation
 
     private CheckedFuture<DOMRpcResult, DOMRpcException> transformResult(final SchemaPath schemaPath,
             final ListenableFuture<RpcResult<?>> bindingResult) {
-        return LazyDOMRpcResultFuture.create(codec,bindingResult);
+        return LazyDOMRpcResultFuture.create(codec, bindingResult);
     }
 
 }