import javax.annotation.Nullable;
import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
import org.opendaylight.controller.md.sal.common.api.data.TransactionChain;
import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
private boolean ensureListExists(final SettableFuture<RpcResult<WriteTransactionsOutput>> settableFuture) {
+ final MapNode mapNode = ImmutableNodes.mapNodeBuilder(ID_INTS).build();
+
+ DOMDataWriteTransaction tx = txProvider.createTransaction();
+ // write only the top list
+ tx.merge(LogicalDatastoreType.CONFIGURATION, ID_INTS_YID, mapNode);
+ try {
+ tx.submit().checkedGet();
+ } catch (final OptimisticLockFailedException e) {
+ // when multiple write-transactions are executed concurrently we need to ignore this.
+ // If we get optimistic lock here it means id-ints already exists and we can continue.
+ LOG.debug("Got an optimistic lock when writing initial top level list element.", e);
+ } catch (final TransactionCommitFailedException e) {
+ LOG.warn("Unable to ensure IdInts list for id: {} exists.", id, e);
+ settableFuture.set(RpcResultBuilder.<WriteTransactionsOutput>failed()
+ .withError(RpcError.ErrorType.APPLICATION, "Unexpected-exception", e).build());
+ return false;
+ }
+
final MapEntryNode entry = ImmutableNodes.mapEntryBuilder(ID_INTS, ID, id)
.withChild(ImmutableNodes.mapNodeBuilder(ITEM).build())
.build();
- final MapNode mapNode =
- ImmutableNodes.mapNodeBuilder(ID_INTS)
- .withChild(entry)
- .build();
- final DOMDataWriteTransaction tx = txProvider.createTransaction();
idListWithKey = ID_INTS_YID.node(entry.getIdentifier());
- tx.merge(LogicalDatastoreType.CONFIGURATION, ID_INTS_YID, mapNode);
+ tx = txProvider.createTransaction();
+ tx.merge(LogicalDatastoreType.CONFIGURATION, idListWithKey, entry);
try {
tx.submit().checkedGet();