* @author Thomas Pantelis
*/
class EntityOwnershipShardCommitCoordinator {
- private static final Object COMMIT_RETRY_MESSAGE = "entityCommitRetry";
+ private static final Object COMMIT_RETRY_MESSAGE = new Object() {
+ @Override
+ public String toString() {
+ return "entityCommitRetry";
+ }
+ };
private final Logger log;
private int transactionIDCounter = 0;
boolean handleMessage(Object message, EntityOwnershipShard shard) {
boolean handled = true;
- if(CommitTransactionReply.SERIALIZABLE_CLASS.isInstance(message)) {
+ if(CommitTransactionReply.isSerializedType(message)) {
// Successful reply from a local commit.
inflightCommitSucceeded(shard);
} else if(message instanceof akka.actor.Status.Failure) {
// Failure reply from a local commit.
inflightCommitFailure(((Failure)message).cause(), shard);
- } else if(message.equals(COMMIT_RETRY_MESSAGE)) {
+ } else if(COMMIT_RETRY_MESSAGE.equals(message)) {
retryInflightCommit(shard);
} else {
handled = false;
}
void commitModification(Modification modification, EntityOwnershipShard shard) {
+ BatchedModifications modifications = newBatchedModifications();
+ modifications.addModification(modification);
+ commitModifications(modifications, shard);
+ }
+
+ void commitModifications(BatchedModifications modifications, EntityOwnershipShard shard) {
+ if(modifications.getModifications().isEmpty()) {
+ return;
+ }
+
boolean hasLeader = shard.hasLeader();
if(inflightCommit != null || !hasLeader) {
if(log.isDebugEnabled()) {
- log.debug("{} - adding modification to pending",
+ log.debug("{} - adding modifications to pending",
(inflightCommit != null ? "A commit is inflight" : "No shard leader"));
}
- pendingModifications.add(modification);
+ pendingModifications.addAll(modifications.getModifications());
} else {
- inflightCommit = newBatchedModifications();
- inflightCommit.addModification(modification);
-
+ inflightCommit = modifications;
shard.tryCommitModifications(inflightCommit);
}
}
inflightCommit = newBatchedModifications;
}
- private BatchedModifications newBatchedModifications() {
+ BatchedModifications newBatchedModifications() {
BatchedModifications modifications = new BatchedModifications(
TransactionIdentifier.create(localMemberName, ++transactionIDCounter).toString(),
DataStoreVersions.CURRENT_VERSION, "");