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%2FDOMForwardedWriteTransaction.java;h=5bddd763fb396506702ec834f912245e2ec2177a;hp=199438fc8799ba00f64d456478db0fead308984d;hb=f8225a74b7c11db1ebf77ab9de998c2e953f8ed8;hpb=8b2b53c7f6d697bd790084b7e6f58f87cfabf721
diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMForwardedWriteTransaction.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMForwardedWriteTransaction.java
index 199438fc87..5bddd763fb 100644
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMForwardedWriteTransaction.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/DOMForwardedWriteTransaction.java
@@ -13,8 +13,9 @@ import javax.annotation.concurrent.GuardedBy;
import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
+import org.opendaylight.controller.md.sal.common.impl.service.AbstractDataTransaction;
import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
import org.opendaylight.yangtools.yang.common.RpcResult;
@@ -24,15 +25,16 @@ import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
+import com.google.common.util.concurrent.CheckedFuture;
import com.google.common.util.concurrent.ListenableFuture;
/**
- * /**
- *
+ *
+ *
* Read-Write Transaction, which is composed of several
- * {@link DOMStoreReadTransaction} transactions. Subtransaction is selected by
+ * {@link DOMStoreWriteTransaction} transactions. Subtransaction is selected by
* {@link LogicalDatastoreType} type parameter in:
- *
+ *
*
* - {@link #put(LogicalDatastoreType, InstanceIdentifier, NormalizedNode)}
*
- {@link #delete(LogicalDatastoreType, InstanceIdentifier)}
@@ -40,10 +42,10 @@ import com.google.common.util.concurrent.ListenableFuture;
*
*
* {@link #commit()} will result in invocation of
- * {@link DOMDataCommitImplementation#commit(org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction, Iterable)}
- * invocation with all {@link DOMStoreThreePhaseCommitCohort} for underlying
+ * {@link DOMDataCommitImplementation#submit(org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction, Iterable)}
+ * invocation with all {@link org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort} for underlying
* transactions.
- *
+ *
* @param
* Subtype of {@link DOMStoreWriteTransaction} which is used as
* subtransaction.
@@ -51,13 +53,31 @@ import com.google.common.util.concurrent.ListenableFuture;
class DOMForwardedWriteTransaction extends
AbstractDOMForwardedCompositeTransaction implements DOMDataWriteTransaction {
+ /**
+ * Implementation of real commit.
+ *
+ * Transaction can not be commited if commitImpl is null,
+ * so this seting this property to null is also used to
+ * prevent write to
+ * already commited / canceled transaction {@link #checkNotCanceled()
+ *
+ *
+ */
@GuardedBy("this")
- private DOMDataCommitImplementation commitImpl;
-
- @GuardedBy("this")
- private boolean canceled;
+ private volatile DOMDataCommitImplementation commitImpl;
+
+ /**
+ *
+ * Future task of transaction commit.
+ *
+ * This value is initially null, and is once updated if transaction
+ * is commited {@link #commit()}.
+ * If this future exists, transaction MUST not be commited again
+ * and all modifications should fail. See {@link #checkNotCommited()}.
+ *
+ */
@GuardedBy("this")
- private ListenableFuture> commitFuture;
+ private volatile CheckedFuture commitFuture;
protected DOMForwardedWriteTransaction(final Object identifier,
final ImmutableMap backingTxs, final DOMDataCommitImplementation commitImpl) {
@@ -84,20 +104,29 @@ class DOMForwardedWriteTransaction extends
}
@Override
- public synchronized void cancel() {
- checkState(!canceled, "Transaction was canceled.");
- if (commitFuture != null) {
- // FIXME: Implement cancelation of commit future
- // when Broker impl will support cancelation.
- throw new UnsupportedOperationException("Not implemented yet.");
+ public synchronized boolean cancel() {
+ // Transaction is already canceled, we are safe to return true
+ final boolean cancelationResult;
+ if (commitImpl == null && commitFuture != null) {
+ // Transaction is submitted, we try to cancel future.
+ cancelationResult = commitFuture.cancel(false);
+ } else if(commitImpl == null) {
+ return true;
+ } else {
+ cancelationResult = true;
+ commitImpl = null;
}
- canceled = true;
- commitImpl = null;
+ return cancelationResult;
}
@Override
public synchronized ListenableFuture> commit() {
+ return AbstractDataTransaction.convertToLegacyCommitFuture(submit());
+ }
+
+ @Override
+ public CheckedFuture submit() {
checkNotReady();
ImmutableList.Builder cohortsBuilder = ImmutableList.builder();
@@ -105,21 +134,26 @@ class DOMForwardedWriteTransaction extends
cohortsBuilder.add(subTx.ready());
}
ImmutableList cohorts = cohortsBuilder.build();
- commitFuture = commitImpl.commit(this, cohorts);
+ commitFuture = commitImpl.submit(this, cohorts);
+
+ /*
+ *We remove reference to Commit Implementation in order
+ *to prevent memory leak
+ */
+ commitImpl = null;
return commitFuture;
}
private void checkNotReady() {
- checkNotCanceled();
checkNotCommited();
+ checkNotCanceled();
}
private void checkNotCanceled() {
- Preconditions.checkState(!canceled, "Transaction was canceled.");
+ Preconditions.checkState(commitImpl != null, "Transaction was canceled.");
}
private void checkNotCommited() {
- checkState(commitFuture == null, "Transaction was already commited.");
+ checkState(commitFuture == null, "Transaction was already submited.");
}
-
}
\ No newline at end of file