sal-binding-broker: use lambdas
[controller.git] / opendaylight / md-sal / sal-binding-broker / src / main / java / org / opendaylight / controller / sal / binding / codegen / impl / SingletonHolder.java
index 4664b58d2a7d442e0ab20c59b32cedc7c1943696..bbe5036d791c02559612a245b5d00a3b2ee6a4e6 100644 (file)
@@ -16,27 +16,20 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.LinkedBlockingQueue;
 import java.util.concurrent.RejectedExecutionException;
-import java.util.concurrent.RejectedExecutionHandler;
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.ThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
-import javassist.ClassPool;
 import org.apache.commons.lang3.StringUtils;
-import org.opendaylight.controller.sal.binding.codegen.RuntimeCodeGenerator;
-import org.opendaylight.controller.sal.binding.spi.NotificationInvokerFactory;
-import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
+import org.opendaylight.mdsal.binding.generator.util.JavassistUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import javassist.ClassPool;
 
 public class SingletonHolder {
     private static final Logger logger = LoggerFactory.getLogger(SingletonHolder.class);
 
     public static final ClassPool CLASS_POOL = ClassPool.getDefault();
     public static final JavassistUtils JAVASSIST = JavassistUtils.forClassPool(CLASS_POOL);
-    public static final org.opendaylight.controller.sal.binding.codegen.impl.DefaultRuntimeCodeGenerator RPC_GENERATOR_IMPL = new org.opendaylight.controller.sal.binding.codegen.impl.DefaultRuntimeCodeGenerator(
-            CLASS_POOL);
-    public static final RuntimeCodeGenerator RPC_GENERATOR = RPC_GENERATOR_IMPL;
-    public static final NotificationInvokerFactory INVOKER_FACTORY = RPC_GENERATOR_IMPL.getInvokerFactory();
 
     public static final int CORE_NOTIFICATION_THREADS = 4;
     public static final int MAX_NOTIFICATION_THREADS = 32;
@@ -58,12 +51,12 @@ public class SingletonHolder {
 
         if (NOTIFICATION_EXECUTOR == null) {
             int queueSize = MAX_NOTIFICATION_QUEUE_SIZE;
-            String queueValue = System.getProperty(NOTIFICATION_QUEUE_SIZE_PROPERTY);
+            final String queueValue = System.getProperty(NOTIFICATION_QUEUE_SIZE_PROPERTY);
             if (StringUtils.isNotBlank(queueValue)) {
                 try {
                     queueSize = Integer.parseInt(queueValue);
                     logger.trace("Queue size was set to {}", queueSize);
-                } catch (NumberFormatException e) {
+                } catch (final NumberFormatException e) {
                     logger.warn("Cannot parse {} as set by {}, using default {}", queueValue,
                             NOTIFICATION_QUEUE_SIZE_PROPERTY, queueSize);
                 }
@@ -95,17 +88,14 @@ public class SingletonHolder {
 
             final ThreadPoolExecutor executor = new ThreadPoolExecutor(CORE_NOTIFICATION_THREADS, MAX_NOTIFICATION_THREADS,
                     NOTIFICATION_THREAD_LIFE, TimeUnit.SECONDS, queue, factory,
-                    new RejectedExecutionHandler() {
-                // if the max threads are met, then it will raise a rejectedExecution. We then push to the queue.
-                @Override
-                public void rejectedExecution(final Runnable r, final ThreadPoolExecutor executor) {
-                    try {
-                        executor.getQueue().put(r);
-                    } catch (InterruptedException e) {
-                        throw new RejectedExecutionException("Interrupted while waiting on the queue", e);
-                    }
-                }
-            });
+                    // if the max threads are met, then it will raise a rejectedExecution. We then push to the queue.
+                    (r, executor1) -> {
+                        try {
+                            executor1.getQueue().put(r);
+                        } catch (final InterruptedException e) {
+                            throw new RejectedExecutionException("Interrupted while waiting on the queue", e);
+                        }
+                    });
 
             NOTIFICATION_EXECUTOR = MoreExecutors.listeningDecorator(executor);
         }
@@ -120,7 +110,7 @@ public class SingletonHolder {
     @Deprecated
     public static synchronized ListeningExecutorService getDefaultCommitExecutor() {
         if (COMMIT_EXECUTOR == null) {
-            ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat("md-sal-binding-commit-%d").build();
+            final ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat("md-sal-binding-commit-%d").build();
             /*
              * FIXME: this used to be newCacheThreadPool(), but MD-SAL does not have transaction
              *        ordering guarantees, which means that using a concurrent threadpool results
@@ -128,7 +118,7 @@ public class SingletonHolder {
              *        in inconsistent data being present. Once proper primitives are introduced,
              *        concurrency can be reintroduced.
              */
-            ExecutorService executor = Executors.newSingleThreadExecutor(factory);
+            final ExecutorService executor = Executors.newSingleThreadExecutor(factory);
             COMMIT_EXECUTOR = MoreExecutors.listeningDecorator(executor);
         }
 
@@ -137,7 +127,7 @@ public class SingletonHolder {
 
     public static ExecutorService getDefaultChangeEventExecutor() {
         if (CHANGE_EVENT_EXECUTOR == null) {
-            ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat("md-sal-binding-change-%d").build();
+            final ThreadFactory factory = new ThreadFactoryBuilder().setDaemon(true).setNameFormat("md-sal-binding-change-%d").build();
             /*
              * FIXME: this used to be newCacheThreadPool(), but MD-SAL does not have transaction
              *        ordering guarantees, which means that using a concurrent threadpool results
@@ -145,7 +135,7 @@ public class SingletonHolder {
              *        in inconsistent data being present. Once proper primitives are introduced,
              *        concurrency can be reintroduced.
              */
-            ExecutorService executor = Executors.newSingleThreadExecutor(factory);
+            final ExecutorService executor = Executors.newSingleThreadExecutor(factory);
             CHANGE_EVENT_EXECUTOR  = MoreExecutors.listeningDecorator(executor);
         }