package org.opendaylight.controller.sal.core.spi.data;
import static com.google.common.base.Preconditions.checkState;
+
import com.google.common.annotations.Beta;
import com.google.common.base.MoreObjects.ToStringHelper;
import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.base.Throwables;
import java.util.concurrent.atomic.AtomicReferenceFieldUpdater;
+import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
* @param <T> Identifier type
*/
@Beta
-public class SnapshotBackedWriteTransaction<T> extends AbstractDOMStoreTransaction<T> implements DOMStoreWriteTransaction {
+public class SnapshotBackedWriteTransaction<T> extends AbstractDOMStoreTransaction<T>
+ implements DOMStoreWriteTransaction {
private static final Logger LOG = LoggerFactory.getLogger(SnapshotBackedWriteTransaction.class);
@SuppressWarnings("rawtypes")
- private static final AtomicReferenceFieldUpdater<SnapshotBackedWriteTransaction, TransactionReadyPrototype> READY_UPDATER =
- AtomicReferenceFieldUpdater.newUpdater(SnapshotBackedWriteTransaction.class, TransactionReadyPrototype.class, "readyImpl");
+ private static final AtomicReferenceFieldUpdater<SnapshotBackedWriteTransaction, TransactionReadyPrototype>
+ READY_UPDATER = AtomicReferenceFieldUpdater.newUpdater(SnapshotBackedWriteTransaction.class,
+ TransactionReadyPrototype.class, "readyImpl");
@SuppressWarnings("rawtypes")
- private static final AtomicReferenceFieldUpdater<SnapshotBackedWriteTransaction, DataTreeModification> TREE_UPDATER =
- AtomicReferenceFieldUpdater.newUpdater(SnapshotBackedWriteTransaction.class, DataTreeModification.class, "mutableTree");
+ private static final AtomicReferenceFieldUpdater<SnapshotBackedWriteTransaction, DataTreeModification>
+ TREE_UPDATER = AtomicReferenceFieldUpdater.newUpdater(SnapshotBackedWriteTransaction.class,
+ DataTreeModification.class, "mutableTree");
// non-null when not ready
private volatile TransactionReadyPrototype<T> readyImpl;
}
@Override
+ @SuppressWarnings("checkstyle:IllegalCatch")
public void write(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
checkNotReady();
try {
tree.write(path, data);
// FIXME: Add checked exception
- } catch (Exception e) {
+ } catch (RuntimeException e) {
LOG.error("Tx: {}, failed to write {}:{} in {}", getIdentifier(), path, data, tree, e);
// Rethrow original ones if they are subclasses of RuntimeException
// or Error
}
@Override
+ @SuppressWarnings("checkstyle:IllegalCatch")
public void merge(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
checkNotReady();
try {
tree.merge(path, data);
// FIXME: Add checked exception
- } catch (Exception e) {
+ } catch (RuntimeException e) {
LOG.error("Tx: {}, failed to write {}:{} in {}", getIdentifier(), path, data, tree, e);
// Rethrow original ones if they are subclasses of RuntimeException
// or Error
}
@Override
+ @SuppressWarnings("checkstyle:IllegalCatch")
public void delete(final YangInstanceIdentifier path) {
checkNotReady();
try {
tree.delete(path);
// FIXME: Add checked exception
- } catch (Exception e) {
+ } catch (RuntimeException e) {
LOG.error("Tx: {}, failed to delete {} in {}", getIdentifier(), path, tree, e);
// Rethrow original ones if they are subclasses of RuntimeException
// or Error
* @return null if the the transaction has been closed;
*/
final Optional<NormalizedNode<?, ?>> readSnapshotNode(final YangInstanceIdentifier path) {
- return readyImpl == null ? null : mutableTree.readNode(path);
+ return readyImpl == null ? null : Optional.fromJavaUtil(mutableTree.readNode(path));
}
- private final void checkNotReady() {
- checkState(readyImpl != null, "Transaction %s is no longer open. No further modifications allowed.", getIdentifier());
+ private void checkNotReady() {
+ checkState(readyImpl != null, "Transaction %s is no longer open. No further modifications allowed.",
+ getIdentifier());
}
@Override
+ @SuppressWarnings("checkstyle:IllegalCatch")
public DOMStoreThreePhaseCommitCohort ready() {
@SuppressWarnings("unchecked")
final TransactionReadyPrototype<T> wasReady = READY_UPDATER.getAndSet(this, null);
final DataTreeModification tree = mutableTree;
TREE_UPDATER.lazySet(this, null);
- tree.ready();
- return wasReady.transactionReady(this, tree);
+ try {
+ tree.ready();
+ return wasReady.transactionReady(this, tree, null);
+ } catch (RuntimeException e) {
+ LOG.debug("Store transaction: {}: unexpected failure when readying", getIdentifier(), e);
+ return wasReady.transactionReady(this, tree, e);
+ }
}
@Override
}
/**
- * Prototype implementation of
- * {@link #ready(org.opendaylight.controller.sal.core.spi.data.SnapshotBackedWriteTransaction)}
- *
- * This class is intended to be implemented by Transaction factories
- * responsible for allocation of {@link org.opendaylight.controller.sal.core.spi.data.SnapshotBackedWriteTransaction} and
+ * This class is intended to be implemented by Transaction factories responsible for allocation of
+ * {@link org.opendaylight.controller.sal.core.spi.data.SnapshotBackedWriteTransaction} and
* providing underlying logic for applying implementation.
*
* @param <T> identifier type
*
* @param tx Transaction which got aborted.
*/
- protected abstract void transactionAborted(final SnapshotBackedWriteTransaction<T> tx);
+ protected abstract void transactionAborted(SnapshotBackedWriteTransaction<T> tx);
/**
* Returns a commit coordinator associated with supplied transactions.
*
+ * <p>
* This call must not fail.
*
* @param tx
* Transaction on which ready was invoked.
* @param tree
* Modified data tree which has been constructed.
+ * @param readyError
+ * Any error that has already happened when readying.
* @return DOMStoreThreePhaseCommitCohort associated with transaction
*/
- protected abstract DOMStoreThreePhaseCommitCohort transactionReady(SnapshotBackedWriteTransaction<T> tx, DataTreeModification tree);
+ protected abstract DOMStoreThreePhaseCommitCohort transactionReady(SnapshotBackedWriteTransaction<T> tx,
+ DataTreeModification tree,
+ @Nullable Exception readyError);
}
-}
\ No newline at end of file
+}