*/
package org.opendaylight.controller.cluster.datastore;
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
+
import akka.actor.ActorSelection;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Function;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.base.Supplier;
import com.google.common.collect.Iterables;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.MoreExecutors;
+import com.google.common.util.concurrent.FluentFuture;
import com.google.common.util.concurrent.SettableFuture;
import java.util.ArrayList;
-import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
-import java.util.Set;
+import java.util.Optional;
import java.util.SortedSet;
import java.util.TreeMap;
import java.util.TreeSet;
import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.controller.cluster.datastore.TransactionModificationOperation.DeleteOperation;
+import org.opendaylight.controller.cluster.datastore.TransactionModificationOperation.MergeOperation;
+import org.opendaylight.controller.cluster.datastore.TransactionModificationOperation.WriteOperation;
import org.opendaylight.controller.cluster.datastore.messages.AbstractRead;
import org.opendaylight.controller.cluster.datastore.messages.DataExists;
import org.opendaylight.controller.cluster.datastore.messages.ReadData;
-import org.opendaylight.controller.cluster.datastore.modification.AbstractModification;
-import org.opendaylight.controller.cluster.datastore.modification.DeleteModification;
-import org.opendaylight.controller.cluster.datastore.modification.MergeModification;
-import org.opendaylight.controller.cluster.datastore.modification.WriteModification;
-import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
-import org.opendaylight.controller.cluster.datastore.utils.NormalizedNodeAggregator;
-import org.opendaylight.mdsal.common.api.MappingCheckedFuture;
-import org.opendaylight.mdsal.common.api.ReadFailedException;
+import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
+import org.opendaylight.controller.cluster.datastore.utils.RootScatterGather;
import org.opendaylight.mdsal.dom.spi.store.AbstractDOMStoreTransaction;
import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import scala.concurrent.Future;
}
private static final Logger LOG = LoggerFactory.getLogger(TransactionProxy.class);
+ private static final DeleteOperation ROOT_DELETE_OPERATION = new DeleteOperation(YangInstanceIdentifier.empty());
- private final Map<String, TransactionContextWrapper> txContextWrappers = new TreeMap<>();
+ private final Map<String, AbstractTransactionContextWrapper> txContextWrappers = new TreeMap<>();
private final AbstractTransactionContextFactory<?> txContextFactory;
private final TransactionType type;
private TransactionState state = TransactionState.OPEN;
@VisibleForTesting
public TransactionProxy(final AbstractTransactionContextFactory<?> txContextFactory, final TransactionType type) {
- super(txContextFactory.nextIdentifier(), txContextFactory.getActorContext().getDatastoreContext()
+ super(txContextFactory.nextIdentifier(), txContextFactory.getActorUtils().getDatastoreContext()
.isTransactionDebugContextEnabled());
this.txContextFactory = txContextFactory;
- this.type = Preconditions.checkNotNull(type);
+ this.type = requireNonNull(type);
LOG.debug("New {} Tx - {}", type, getIdentifier());
}
@Override
- public CheckedFuture<Boolean, ReadFailedException> exists(final YangInstanceIdentifier path) {
+ public FluentFuture<Boolean> exists(final YangInstanceIdentifier path) {
return executeRead(shardNameFromIdentifier(path), new DataExists(path, DataStoreVersions.CURRENT_VERSION));
}
- private <T> CheckedFuture<T, ReadFailedException> executeRead(final String shardName,
- final AbstractRead<T> readCmd) {
- Preconditions.checkState(type != TransactionType.WRITE_ONLY,
- "Reads from write-only transactions are not allowed");
+ private <T> FluentFuture<T> executeRead(final String shardName, final AbstractRead<T> readCmd) {
+ checkState(type != TransactionType.WRITE_ONLY, "Reads from write-only transactions are not allowed");
LOG.trace("Tx {} {} {}", getIdentifier(), readCmd.getClass().getSimpleName(), readCmd.getPath());
final SettableFuture<T> proxyFuture = SettableFuture.create();
- TransactionContextWrapper contextWrapper = getContextWrapper(shardName);
+ AbstractTransactionContextWrapper contextWrapper = wrapperFromShardName(shardName);
contextWrapper.maybeExecuteTransactionOperation(new TransactionOperation() {
@Override
public void invoke(final TransactionContext transactionContext, final Boolean havePermit) {
}
});
- return MappingCheckedFuture.create(proxyFuture, ReadFailedException.MAPPER);
+ return FluentFuture.from(proxyFuture);
}
@Override
- public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final YangInstanceIdentifier path) {
- Preconditions.checkState(type != TransactionType.WRITE_ONLY,
- "Reads from write-only transactions are not allowed");
- Preconditions.checkNotNull(path, "path should not be null");
+ public FluentFuture<Optional<NormalizedNode>> read(final YangInstanceIdentifier path) {
+ checkState(type != TransactionType.WRITE_ONLY, "Reads from write-only transactions are not allowed");
+ requireNonNull(path, "path should not be null");
LOG.trace("Tx {} read {}", getIdentifier(), path);
- return path.isEmpty() ? readAllData() : singleShardRead(shardNameFromIdentifier(path), path);
+ return path.isEmpty() ? readAllData() : singleShardRead(shardNameFromIdentifier(path), path);
}
- private CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> singleShardRead(
- final String shardName, final YangInstanceIdentifier path) {
+ private FluentFuture<Optional<NormalizedNode>> singleShardRead(final String shardName,
+ final YangInstanceIdentifier path) {
return executeRead(shardName, new ReadData(path, DataStoreVersions.CURRENT_VERSION));
}
- private CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readAllData() {
- final Set<String> allShardNames = txContextFactory.getActorContext().getConfiguration().getAllShardNames();
- final Collection<CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException>> futures =
- new ArrayList<>(allShardNames.size());
+ private FluentFuture<Optional<NormalizedNode>> readAllData() {
+ final var actorUtils = getActorUtils();
+ return RootScatterGather.gather(actorUtils, actorUtils.getConfiguration().getAllShardNames().stream()
+ .map(shardName -> singleShardRead(shardName, YangInstanceIdentifier.empty())));
+ }
- for (String shardName : allShardNames) {
- futures.add(singleShardRead(shardName, YangInstanceIdentifier.EMPTY));
- }
+ @Override
+ public void delete(final YangInstanceIdentifier path) {
+ checkModificationState("delete", path);
- final ListenableFuture<List<Optional<NormalizedNode<?, ?>>>> listFuture = Futures.allAsList(futures);
- final ListenableFuture<Optional<NormalizedNode<?, ?>>> aggregateFuture;
-
- aggregateFuture = Futures.transform(listFuture,
- (Function<List<Optional<NormalizedNode<?, ?>>>, Optional<NormalizedNode<?, ?>>>) input -> {
- try {
- return NormalizedNodeAggregator.aggregate(YangInstanceIdentifier.EMPTY, input,
- txContextFactory.getActorContext().getSchemaContext(),
- txContextFactory.getActorContext().getDatastoreContext().getLogicalStoreType());
- } catch (DataValidationFailedException e) {
- throw new IllegalArgumentException("Failed to aggregate", e);
- }
- }, MoreExecutors.directExecutor());
+ if (path.isEmpty()) {
+ deleteAllData();
+ } else {
+ executeModification(new DeleteOperation(path));
+ }
+ }
- return MappingCheckedFuture.create(aggregateFuture, ReadFailedException.MAPPER);
+ private void deleteAllData() {
+ for (String shardName : getActorUtils().getConfiguration().getAllShardNames()) {
+ wrapperFromShardName(shardName).maybeExecuteTransactionOperation(ROOT_DELETE_OPERATION);
+ }
}
@Override
- public void delete(final YangInstanceIdentifier path) {
- executeModification(new DeleteModification(path));
+ public void merge(final YangInstanceIdentifier path, final NormalizedNode data) {
+ checkModificationState("merge", path);
+
+ if (path.isEmpty()) {
+ mergeAllData(RootScatterGather.castRootNode(data));
+ } else {
+ executeModification(new MergeOperation(path, data));
+ }
}
- @Override
- public void merge(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
- executeModification(new MergeModification(path, data));
+ private void mergeAllData(final ContainerNode rootData) {
+ if (!rootData.isEmpty()) {
+ RootScatterGather.scatterTouched(rootData, this::wrapperFromRootChild).forEach(
+ scattered -> scattered.shard().maybeExecuteTransactionOperation(
+ new MergeOperation(YangInstanceIdentifier.empty(), scattered.container())));
+ }
}
@Override
- public void write(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) {
- executeModification(new WriteModification(path, data));
- }
+ public void write(final YangInstanceIdentifier path, final NormalizedNode data) {
+ checkModificationState("write", path);
- private void executeModification(final AbstractModification modification) {
- checkModificationState();
+ if (path.isEmpty()) {
+ writeAllData(RootScatterGather.castRootNode(data));
+ } else {
+ executeModification(new WriteOperation(path, data));
+ }
+ }
- LOG.trace("Tx {} executeModification {} {}", getIdentifier(), modification.getClass().getSimpleName(),
- modification.getPath());
+ private void writeAllData(final ContainerNode rootData) {
+ RootScatterGather.scatterAll(rootData, this::wrapperFromRootChild,
+ getActorUtils().getConfiguration().getAllShardNames().stream().map(this::wrapperFromShardName)).forEach(
+ scattered -> scattered.shard().maybeExecuteTransactionOperation(
+ new WriteOperation(YangInstanceIdentifier.empty(), scattered.container())));
+ }
- TransactionContextWrapper contextWrapper = getContextWrapper(modification.getPath());
- contextWrapper.maybeExecuteTransactionOperation(new TransactionOperation() {
- @Override
- protected void invoke(final TransactionContext transactionContext, final Boolean havePermit) {
- transactionContext.executeModification(modification, havePermit);
- }
- });
+ private void executeModification(final TransactionModificationOperation operation) {
+ wrapperFromShardName(shardNameFromIdentifier(operation.path())).maybeExecuteTransactionOperation(operation);
}
- private void checkModificationState() {
- Preconditions.checkState(type != TransactionType.READ_ONLY,
- "Modification operation on read-only transaction is not allowed");
- Preconditions.checkState(state == TransactionState.OPEN,
- "Transaction is sealed - further modifications are not allowed");
+ private void checkModificationState(final String opName, final YangInstanceIdentifier path) {
+ checkState(type != TransactionType.READ_ONLY, "Modification operation on read-only transaction is not allowed");
+ checkState(state == TransactionState.OPEN, "Transaction is sealed - further modifications are not allowed");
+ LOG.trace("Tx {} {} {}", getIdentifier(), opName, path);
}
private boolean seal(final TransactionState newState) {
if (state == TransactionState.OPEN) {
state = newState;
return true;
- } else {
- return false;
}
+ return false;
}
@Override
public final void close() {
if (!seal(TransactionState.CLOSED)) {
- Preconditions.checkState(state == TransactionState.CLOSED, "Transaction %s is ready, it cannot be closed",
+ checkState(state == TransactionState.CLOSED, "Transaction %s is ready, it cannot be closed",
getIdentifier());
// Idempotent no-op as per AutoCloseable recommendation
return;
}
- for (TransactionContextWrapper contextWrapper : txContextWrappers.values()) {
+ for (AbstractTransactionContextWrapper contextWrapper : txContextWrappers.values()) {
contextWrapper.maybeExecuteTransactionOperation(new TransactionOperation() {
@Override
public void invoke(final TransactionContext transactionContext, final Boolean havePermit) {
@Override
public final AbstractThreePhaseCommitCohort<?> ready() {
- Preconditions.checkState(type != TransactionType.READ_ONLY, "Read-only transactions cannot be readied");
+ checkState(type != TransactionType.READ_ONLY, "Read-only transactions cannot be readied");
final boolean success = seal(TransactionState.READY);
- Preconditions.checkState(success, "Transaction %s is %s, it cannot be readied", getIdentifier(), state);
+ checkState(success, "Transaction %s is %s, it cannot be readied", getIdentifier(), state);
LOG.debug("Tx {} Readying {} components for commit", getIdentifier(), txContextWrappers.size());
ret = NoOpDOMStoreThreePhaseCommitCohort.INSTANCE;
break;
case 1:
- final Entry<String, TransactionContextWrapper> e = Iterables.getOnlyElement(
+ final Entry<String, AbstractTransactionContextWrapper> e = Iterables.getOnlyElement(
txContextWrappers.entrySet());
ret = createSingleCommitCohort(e.getKey(), e.getValue());
break;
@SuppressWarnings({ "rawtypes", "unchecked" })
private AbstractThreePhaseCommitCohort<?> createSingleCommitCohort(final String shardName,
- final TransactionContextWrapper contextWrapper) {
+ final AbstractTransactionContextWrapper contextWrapper) {
LOG.debug("Tx {} Readying transaction for shard {}", getIdentifier(), shardName);
future = getDirectCommitFuture(transactionContext, operationCallbackRef, null);
}
- return new SingleCommitCohortProxy(txContextFactory.getActorContext(), future, getIdentifier(),
+ return new SingleCommitCohortProxy(txContextFactory.getActorUtils(), future, getIdentifier(),
operationCallbackRef);
}
private Future<?> getDirectCommitFuture(final TransactionContext transactionContext,
final OperationCallback.Reference operationCallbackRef, final Boolean havePermit) {
TransactionRateLimitingCallback rateLimitingCallback = new TransactionRateLimitingCallback(
- txContextFactory.getActorContext());
+ txContextFactory.getActorUtils());
operationCallbackRef.set(rateLimitingCallback);
rateLimitingCallback.run();
return transactionContext.directCommit(havePermit);
private AbstractThreePhaseCommitCohort<ActorSelection> createMultiCommitCohort() {
final List<ThreePhaseCommitCohortProxy.CohortInfo> cohorts = new ArrayList<>(txContextWrappers.size());
- final java.util.Optional<SortedSet<String>> shardNames =
- java.util.Optional.of(new TreeSet<>(txContextWrappers.keySet()));
- for (Entry<String, TransactionContextWrapper> e : txContextWrappers.entrySet()) {
+ final Optional<SortedSet<String>> shardNames = Optional.of(new TreeSet<>(txContextWrappers.keySet()));
+ for (Entry<String, AbstractTransactionContextWrapper> e : txContextWrappers.entrySet()) {
LOG.debug("Tx {} Readying transaction for shard {}", getIdentifier(), e.getKey());
- final TransactionContextWrapper wrapper = e.getValue();
+ final AbstractTransactionContextWrapper wrapper = e.getValue();
// The remote tx version is obtained the via TransactionContext which may not be available yet so
// we pass a Supplier to dynamically obtain it. Once the ready Future is resolved the
// TransactionContext is available.
- Supplier<Short> txVersionSupplier = () -> wrapper.getTransactionContext().getTransactionVersion();
-
cohorts.add(new ThreePhaseCommitCohortProxy.CohortInfo(wrapper.readyTransaction(shardNames),
- txVersionSupplier));
+ () -> wrapper.getTransactionContext().getTransactionVersion()));
}
- return new ThreePhaseCommitCohortProxy(txContextFactory.getActorContext(), cohorts, getIdentifier());
+ return new ThreePhaseCommitCohortProxy(txContextFactory.getActorUtils(), cohorts, getIdentifier());
}
private String shardNameFromIdentifier(final YangInstanceIdentifier path) {
- return txContextFactory.getActorContext().getShardStrategyFactory().getStrategy(path).findShard(path);
+ return getActorUtils().getShardStrategyFactory().getStrategy(path).findShard(path);
}
- private TransactionContextWrapper getContextWrapper(final YangInstanceIdentifier path) {
- return getContextWrapper(shardNameFromIdentifier(path));
+ private AbstractTransactionContextWrapper wrapperFromRootChild(final PathArgument childId) {
+ return wrapperFromShardName(shardNameFromIdentifier(YangInstanceIdentifier.create(childId)));
}
- private TransactionContextWrapper getContextWrapper(final String shardName) {
- final TransactionContextWrapper existing = txContextWrappers.get(shardName);
+ private AbstractTransactionContextWrapper wrapperFromShardName(final String shardName) {
+ final AbstractTransactionContextWrapper existing = txContextWrappers.get(shardName);
if (existing != null) {
return existing;
}
- final TransactionContextWrapper fresh = txContextFactory.newTransactionContextWrapper(this, shardName);
+ final AbstractTransactionContextWrapper fresh = txContextFactory.newTransactionContextWrapper(this, shardName);
txContextWrappers.put(shardName, fresh);
return fresh;
}
return state != TransactionState.OPEN;
}
- ActorContext getActorContext() {
- return txContextFactory.getActorContext();
+ final ActorUtils getActorUtils() {
+ return txContextFactory.getActorUtils();
}
}
Code Review / controller.git / blobdiff