X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-dom-broker%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fbroker%2Fimpl%2FDOMDataBrokerTransactionChainImpl.java;h=4e5751472e34dc5fe365abe01e43c326667f8c32;hp=d17b71ec09e670c47ddeabc0e335765d548f92fb;hb=89b1c5b7d66614d1b98ec14abc3326fb878eb056;hpb=66f631835842577ff36a2a36f2acf0fbb1701f86

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMDataBrokerTransactionChainImpl.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMDataBrokerTransactionChainImpl.java
old mode 100644
new mode 100755
index d17b71ec09..4e5751472e
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMDataBrokerTransactionChainImpl.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMDataBrokerTransactionChainImpl.java
@@ -1,17 +1,22 @@
 /*
  * 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
  */
+
 package org.opendaylight.controller.md.sal.dom.broker.impl;
 
-import com.google.common.base.Optional;
 import com.google.common.base.Preconditions;
 import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import java.util.Collection;
 import java.util.Map;
+import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
 import java.util.concurrent.atomic.AtomicLong;
-import javax.annotation.concurrent.GuardedBy;
+import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
@@ -28,16 +33,27 @@ import org.slf4j.LoggerFactory;
  * {@link org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType} type.
  *
  */
-public class DOMDataBrokerTransactionChainImpl extends AbstractDOMForwardedTransactionFactory<DOMStoreTransactionChain>
-        implements DOMTransactionChain, DOMDataCommitErrorListener {
+final class DOMDataBrokerTransactionChainImpl extends AbstractDOMForwardedTransactionFactory<DOMStoreTransactionChain>
+        implements DOMTransactionChain {
+    private enum State {
+        RUNNING,
+        CLOSING,
+        CLOSED,
+        FAILED,
+    }
 
+    private static final AtomicIntegerFieldUpdater<DOMDataBrokerTransactionChainImpl> COUNTER_UPDATER =
+            AtomicIntegerFieldUpdater.newUpdater(DOMDataBrokerTransactionChainImpl.class, "counter");
+    private static final AtomicReferenceFieldUpdater<DOMDataBrokerTransactionChainImpl, State> STATE_UPDATER =
+            AtomicReferenceFieldUpdater.newUpdater(DOMDataBrokerTransactionChainImpl.class, State.class, "state");
     private static final Logger LOG = LoggerFactory.getLogger(DOMDataBrokerTransactionChainImpl.class);
-    private final DOMDataCommitExecutor coordinator;
+    private final AtomicLong txNum = new AtomicLong();
+    private final AbstractDOMDataBroker broker;
     private final TransactionChainListener listener;
     private final long chainId;
-    private final AtomicLong txNum = new AtomicLong();
-    @GuardedBy("this")
-    private boolean failed = false;
+
+    private volatile State state = State.RUNNING;
+    private volatile int counter = 0;
 
     /**
      *
@@ -45,7 +61,7 @@ public class DOMDataBrokerTransactionChainImpl extends AbstractDOMForwardedTrans
      *            ID of transaction chain
      * @param chains
      *            Backing {@link DOMStoreTransactionChain}s.
-     * @param coordinator
+     * @param broker
      *            Commit Coordinator which should be used to coordinate commits
      *            of transaction
      *            produced by this chain.
@@ -56,40 +72,77 @@ public class DOMDataBrokerTransactionChainImpl extends AbstractDOMForwardedTrans
      */
     public DOMDataBrokerTransactionChainImpl(final long chainId,
             final Map<LogicalDatastoreType, DOMStoreTransactionChain> chains,
-            final DOMDataCommitExecutor coordinator, final TransactionChainListener listener) {
+            final AbstractDOMDataBroker broker, final TransactionChainListener listener) {
         super(chains);
         this.chainId = chainId;
-        this.coordinator = Preconditions.checkNotNull(coordinator);
+        this.broker = Preconditions.checkNotNull(broker);
         this.listener = Preconditions.checkNotNull(listener);
     }
 
+    private void checkNotFailed() {
+        Preconditions.checkState(state != State.FAILED, "Transaction chain has failed");
+    }
+
     @Override
     protected Object newTransactionIdentifier() {
         return "DOM-CHAIN-" + chainId + "-" + txNum.getAndIncrement();
     }
 
     @Override
-    public synchronized CheckedFuture<Void,TransactionCommitFailedException> submit(
-            final DOMDataWriteTransaction transaction, final Iterable<DOMStoreThreePhaseCommitCohort> cohorts) {
-        return coordinator.submit(transaction, cohorts, Optional.<DOMDataCommitErrorListener> of(this));
+    public CheckedFuture<Void, TransactionCommitFailedException> submit(
+            final DOMDataWriteTransaction transaction, final Collection<DOMStoreThreePhaseCommitCohort> cohorts) {
+        checkNotFailed();
+        checkNotClosed();
+
+        final CheckedFuture<Void, TransactionCommitFailedException> ret = broker.submit(transaction, cohorts);
+
+        COUNTER_UPDATER.incrementAndGet(this);
+        Futures.addCallback(ret, new FutureCallback<Void>() {
+            @Override
+            public void onSuccess(final Void result) {
+                transactionCompleted();
+            }
+
+            @Override
+            public void onFailure(final Throwable t) {
+                transactionFailed(transaction, t);
+            }
+        });
+
+        return ret;
     }
 
     @Override
-    public synchronized void close() {
+    public void close() {
+        final boolean success = STATE_UPDATER.compareAndSet(this, State.RUNNING, State.CLOSING);
+        if (!success) {
+            LOG.debug("Chain {} is no longer running", this);
+            return;
+        }
+
         super.close();
         for (DOMStoreTransactionChain subChain : getTxFactories().values()) {
             subChain.close();
         }
 
-        if (!failed) {
-            LOG.debug("Transaction chain {} successfully finished.", this);
-            listener.onTransactionChainSuccessful(this);
+        if (counter == 0) {
+            finishClose();
         }
     }
 
-    @Override
-    public synchronized void onCommitFailed(final DOMDataWriteTransaction tx, final Throwable cause) {
-        failed = true;
+    private void finishClose() {
+        state = State.CLOSED;
+        listener.onTransactionChainSuccessful(this);
+    }
+
+    private void transactionCompleted() {
+        if (COUNTER_UPDATER.decrementAndGet(this) == 0 && state == State.CLOSING) {
+            finishClose();
+        }
+    }
+
+    private void transactionFailed(final DOMDataWriteTransaction tx, final Throwable cause) {
+        state = State.FAILED;
         LOG.debug("Transaction chain {} failed.", this, cause);
         listener.onTransactionChainFailed(this, tx, cause);
     }