Deprecate DOMDataTreeProducer-related classes
[controller.git] / opendaylight / md-sal / samples / clustering-test-app / provider / src / main / java / org / opendaylight / controller / clustering / it / provider / impl / AbstractTransactionHandler.java
index d3b0a7b0497fbbc204edb6900738cc15fa0005fa..e821a2b5769211d53ad5cbcc2a43d58ba1f15e31 100644 (file)
@@ -8,17 +8,21 @@
 package org.opendaylight.controller.clustering.it.provider.impl;
 
 import com.google.common.base.Stopwatch;
+import com.google.common.util.concurrent.FluentFuture;
 import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
 import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
+import java.util.concurrent.ScheduledThreadPoolExecutor;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicLong;
+import org.opendaylight.mdsal.common.api.CommitInfo;
 import org.opendaylight.yang.gen.v1.tag.opendaylight.org._2017.controller.yang.lowlevel.control.rev170215.TransactionsParams;
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
@@ -56,32 +60,33 @@ abstract class AbstractTransactionHandler {
     static final long INIT_TX_TIMEOUT_SECONDS = 125;
 
     private static final long DEAD_TIMEOUT_SECONDS = TimeUnit.MINUTES.toSeconds(15);
+    private static final AtomicLong COUNTER = new AtomicLong();
 
     /*
      * writingExecutor is a single thread executor. Only this thread will write to datastore,
      * incurring sleep penalties if backend is not responsive. This thread never changes, but reads State.
      * This thread only adds to futures set.
      */
-    private final ScheduledExecutorService writingExecutor = FinalizableScheduledExecutorService.newSingleThread();
+    private final ScheduledExecutorService writingExecutor = newExecutorService("writing");
     /*
      * completingExecutor is a single thread executor. Only this thread writes to State.
      * This thread should never incur any sleep penalty, so RPC response should always come on time.
      * This thread only removes from futures set.
      */
-    private final ScheduledExecutorService completingExecutor = FinalizableScheduledExecutorService.newSingleThread();
-    private final Collection<ListenableFuture<Void>> futures = Collections.synchronizedSet(new HashSet<>());
+    private final ScheduledExecutorService completingExecutor = newExecutorService("completing");
+    private final Collection<ListenableFuture<?>> futures = Collections.synchronizedSet(new HashSet<>());
     private final Stopwatch stopwatch = Stopwatch.createUnstarted();
     private final long runtimeNanos;
     private final long delayNanos;
 
     private ScheduledFuture<?> writingFuture;
     private ScheduledFuture<?> completingFuture;
-    private long txCounter;
+    private final AtomicLong txCounter = new AtomicLong();
     private volatile State state;
 
     AbstractTransactionHandler(final TransactionsParams params) {
-        runtimeNanos = TimeUnit.SECONDS.toNanos(params.getSeconds());
-        delayNanos = SECOND_AS_NANO / params.getTransactionsPerSecond();
+        runtimeNanos = TimeUnit.SECONDS.toNanos(params.getSeconds().toJava());
+        delayNanos = SECOND_AS_NANO / params.getTransactionsPerSecond().toJava();
     }
 
     final synchronized void doStart() {
@@ -117,15 +122,15 @@ abstract class AbstractTransactionHandler {
         }
 
         // Not completed yet: create a transaction and hook it up
-        final long txId = txCounter++;
-        final ListenableFuture<Void> execFuture = execWrite(txId);
+        final long txId = txCounter.incrementAndGet();
+        final FluentFuture<? extends CommitInfo> execFuture = execWrite(txId);
         LOG.debug("New future #{} allocated", txId);
 
         // Ordering is important: we need to add the future before hooking the callback
         futures.add(execFuture);
-        Futures.addCallback(execFuture, new FutureCallback<Void>() {
+        execFuture.addCallback(new FutureCallback<CommitInfo>() {
             @Override
-            public void onSuccess(final Void result) {
+            public void onSuccess(final CommitInfo result) {
                 txSuccess(execFuture, txId);
             }
 
@@ -150,14 +155,15 @@ abstract class AbstractTransactionHandler {
             LOG.debug("Completed waiting for all futures");
             state = State.SUCCESSFUL;
             completingFuture.cancel(false);
-            runSuccessful(txCounter);
+            runSuccessful(txCounter.get());
+            shutdownExecutors();
             return true;
         }
 
         return false;
     }
 
-    final void txSuccess(final ListenableFuture<Void> execFuture, final long txId) {
+    final void txSuccess(final ListenableFuture<?> execFuture, final long txId) {
         LOG.debug("Future #{} completed successfully", txId);
         futures.remove(execFuture);
 
@@ -175,8 +181,8 @@ abstract class AbstractTransactionHandler {
         }
     }
 
-    final void txFailure(final ListenableFuture<Void> execFuture, final long txId, final Throwable cause) {
-        LOG.debug("Future #{} failed", txId, cause);
+    final void txFailure(final ListenableFuture<?> execFuture, final long txId, final Throwable cause) {
+        LOG.error("Commit future failed for tx # {}", txId, cause);
         futures.remove(execFuture);
 
         final State local = state;
@@ -188,7 +194,8 @@ abstract class AbstractTransactionHandler {
             case WAITING:
                 state = State.FAILED;
                 writingFuture.cancel(false);
-                runFailed(cause);
+                runFailed(cause, txId);
+                shutdownExecutors();
                 break;
             default:
                 throw new IllegalStateException("Unhandled state " + local);
@@ -205,7 +212,7 @@ abstract class AbstractTransactionHandler {
         synchronized (futures) {
             int offset = 0;
 
-            for (ListenableFuture<Void> future : futures) {
+            for (ListenableFuture<?> future : futures) {
                 try {
                     future.get(0, TimeUnit.NANOSECONDS);
                 } catch (final TimeoutException e) {
@@ -221,14 +228,30 @@ abstract class AbstractTransactionHandler {
         }
 
         state = State.FAILED;
-        runTimedOut(new TimeoutException("Collection did not finish in " + DEAD_TIMEOUT_SECONDS + " seconds"));
+        runTimedOut("Transactions did not finish in " + DEAD_TIMEOUT_SECONDS + " seconds");
+        shutdownExecutors();
     }
 
-    abstract ListenableFuture<Void> execWrite(final long txId);
+    private void shutdownExecutors() {
+        writingExecutor.shutdown();
+        completingExecutor.shutdown();
+    }
+
+    abstract FluentFuture<? extends CommitInfo> execWrite(long txId);
 
-    abstract void runFailed(Throwable cause);
+    abstract void runFailed(Throwable cause, long txId);
 
     abstract void runSuccessful(long allTx);
 
-    abstract void runTimedOut(Exception cause);
+    abstract void runTimedOut(String cause);
+
+    private ScheduledExecutorService newExecutorService(final String kind) {
+        final ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder()
+            .setDaemon(true)
+            .setNameFormat(getClass().getSimpleName() + "-" + kind + "-" + COUNTER.getAndIncrement() + "%d")
+            .build());
+        executor.setKeepAliveTime(15, TimeUnit.SECONDS);
+        executor.allowCoreThreadTimeOut(true);
+        return executor;
+    }
 }