X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FTransactionChainProxy.java;h=b5806d6689a4f402208592b808a3ceaad63b3936;hb=079163ec73e4304ebe9b6f9076f78e22e2d0e3a5;hp=2b00d970a61ec17a52b89970d87a5476c5dbe8fb;hpb=4d1709660b7af992d4c382a2a38debb5c7d64fb9;p=controller.git diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxy.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxy.java index 2b00d970a6..b5806d6689 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxy.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxy.java @@ -18,17 +18,15 @@ import java.util.Map.Entry; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.ConcurrentMap; import java.util.concurrent.atomic.AtomicReferenceFieldUpdater; -import java.util.function.Function; -import javax.annotation.Nonnull; import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier; import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier; import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionChain; import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo; -import org.opendaylight.controller.md.sal.common.api.data.TransactionChainClosedException; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction; +import org.opendaylight.mdsal.dom.api.DOMTransactionChainClosedException; +import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction; +import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction; +import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain; +import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction; import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree; import org.slf4j.Logger; import org.slf4j.LoggerFactory; @@ -40,8 +38,9 @@ import scala.concurrent.Promise; * at a time. For remote transactions, it also tracks the outstanding readiness requests * towards the shard and unblocks operations only after all have completed. */ -final class TransactionChainProxy extends AbstractTransactionContextFactory implements DOMStoreTransactionChain { - private static abstract class State { +final class TransactionChainProxy extends AbstractTransactionContextFactory + implements DOMStoreTransactionChain { + private abstract static class State { /** * Check if it is okay to allocate a new transaction. * @throws IllegalStateException if a transaction may not be allocated. @@ -56,7 +55,7 @@ final class TransactionChainProxy extends AbstractTransactionContextFactory previousFuture(); } - private static abstract class Pending extends State { + private abstract static class Pending extends State { private final TransactionIdentifier transaction; private final Future previousFuture; @@ -97,7 +96,7 @@ final class TransactionChainProxy extends AbstractTransactionContextFactory previousFuture() { return null; @@ -114,7 +113,7 @@ final class TransactionChainProxy extends AbstractTransactionContextFactory * 1) Create write tx1 on chain * 2) do write and submit * 3) Create read-only tx2 on chain and issue read * 4) Create write tx3 on chain, do write but do not submit - * + *

* if the sequence/timing is right, tx3 may create its local tx on the LocalTransactionChain before tx2, * which results in tx2 failing b/c tx3 isn't ready yet. So maintaining ordering prevents this issue * (see Bug 4774). - *

+ *

* A Promise is added via newReadOnlyTransaction. When the parent class completes the primary shard * lookup and creates the TransactionContext (either success or failure), onTransactionContextCreated is * called which completes the Promise. A write tx that is created prior to completion will wait on the * Promise's Future via findPrimaryShard. */ - private final ConcurrentMap> priorReadOnlyTxPromises = new ConcurrentHashMap<>(); + private final ConcurrentMap> priorReadOnlyTxPromises = + new ConcurrentHashMap<>(); TransactionChainProxy(final TransactionContextFactory parent, final LocalHistoryIdentifier historyId) { - super(parent.getActorContext(), historyId); + super(parent.getActorUtils(), historyId); this.parent = parent; } @@ -161,13 +161,13 @@ final class TransactionChainProxy extends AbstractTransactionContextFactory() { - @Override - public Object apply(Short version) { - return new CloseTransactionChain(getHistoryId(), version).toSerializable(); - } - }); + getActorUtils().broadcast(version -> new CloseTransactionChain(getHistoryId(), version).toSerializable(), + CloseTransactionChain.class); } private TransactionProxy allocateWriteTransaction(final TransactionType type) { @@ -195,7 +191,8 @@ final class TransactionChainProxy extends AbstractTransactionContextFactory Future combineFutureWithPossiblePriorReadOnlyTxFutures(final Future future, final TransactionIdentifier txId) { - if(!priorReadOnlyTxPromises.containsKey(txId) && !priorReadOnlyTxPromises.isEmpty()) { + if (!priorReadOnlyTxPromises.containsKey(txId) && !priorReadOnlyTxPromises.isEmpty()) { Collection>> priorReadOnlyTxPromiseEntries = new ArrayList<>(priorReadOnlyTxPromises.entrySet()); - if(priorReadOnlyTxPromiseEntries.isEmpty()) { + if (priorReadOnlyTxPromiseEntries.isEmpty()) { return future; } List> priorReadOnlyTxFutures = new ArrayList<>(priorReadOnlyTxPromiseEntries.size()); - for(Entry> entry: priorReadOnlyTxPromiseEntries) { + for (Entry> entry: priorReadOnlyTxPromiseEntries) { LOG.debug("Tx: {} - waiting on future for prior read-only Tx {}", txId, entry.getKey()); priorReadOnlyTxFutures.add(entry.getValue().future()); } Future> combinedFutures = Futures.sequence(priorReadOnlyTxFutures, - getActorContext().getClientDispatcher()); + getActorUtils().getClientDispatcher()); final Promise returnPromise = Futures.promise(); final OnComplete> onComplete = new OnComplete>() { @@ -284,7 +281,7 @@ final class TransactionChainProxy extends AbstractTransactionContextFactory void onTransactionReady(final TransactionIdentifier transaction, final Collection> cohortFutures) { + protected void onTransactionReady(final TransactionIdentifier transaction, + final Collection> cohortFutures) { final State localState = currentState; - Preconditions.checkState(localState instanceof Allocated, "Readying transaction %s while state is %s", transaction, localState); + Preconditions.checkState(localState instanceof Allocated, "Readying transaction %s while state is %s", + transaction, localState); final TransactionIdentifier currentTx = ((Allocated)localState).getIdentifier(); - Preconditions.checkState(transaction.equals(currentTx), "Readying transaction %s while %s is allocated", transaction, currentTx); + Preconditions.checkState(transaction.equals(currentTx), "Readying transaction %s while %s is allocated", + transaction, currentTx); // Transaction ready and we are not waiting for futures -- go to idle if (cohortFutures.isEmpty()) { @@ -305,7 +305,7 @@ final class TransactionChainProxy extends AbstractTransactionContextFactory> combined = Futures.sequence(cohortFutures, getActorContext().getClientDispatcher()); + final Future> combined = Futures.sequence(cohortFutures, getActorUtils().getClientDispatcher()); // Record the we have outstanding futures final State newState = new Submitted(transaction, combined); @@ -318,13 +318,13 @@ final class TransactionChainProxy extends AbstractTransactionContextFactory arg1) { STATE_UPDATER.compareAndSet(TransactionChainProxy.this, newState, IDLE_STATE); } - }, getActorContext().getClientDispatcher()); + }, getActorUtils().getClientDispatcher()); } @Override - protected void onTransactionContextCreated(@Nonnull TransactionIdentifier transactionId) { + protected void onTransactionContextCreated(TransactionIdentifier transactionId) { Promise promise = priorReadOnlyTxPromises.remove(transactionId); - if(promise != null) { + if (promise != null) { promise.success(null); } }