*/
package org.opendaylight.mdsal.dom.store.inmemory;
-import org.opendaylight.mdsal.dom.store.inmemory.tree.ListenerTree;
-
+import com.google.common.base.Preconditions;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicLong;
+import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
import org.opendaylight.mdsal.dom.spi.store.DOMStore;
import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
import org.opendaylight.mdsal.dom.spi.store.SnapshotBackedTransactions;
import org.opendaylight.mdsal.dom.spi.store.SnapshotBackedWriteTransaction;
import org.opendaylight.mdsal.dom.spi.store.SnapshotBackedWriteTransaction.TransactionReadyPrototype;
-import org.opendaylight.mdsal.common.api.AsyncDataChangeListener;
-import org.opendaylight.mdsal.common.api.AsyncDataBroker.DataChangeScope;
-import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.atomic.AtomicLong;
-import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
import org.opendaylight.yangtools.concepts.Identifiable;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.util.ExecutorServiceUtil;
-import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager;
-import org.opendaylight.yangtools.util.concurrent.QueuedNotificationManager.Invoker;
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.DataTree;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidate;
+import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeModification;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeSnapshot;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataValidationFailedException;
import org.slf4j.LoggerFactory;
/**
- * In-memory DOM Data Store
+ * In-memory DOM Data Store.
*
+ *<p>
* Implementation of {@link DOMStore} which uses {@link DataTree} and other
* classes such as {@link SnapshotBackedWriteTransaction}.
- * {@link org.opendaylight.mdsal.dom.spi.store.SnapshotBackedReadTransaction} and {@link ResolveDataChangeEventsTask}
- * to implement {@link DOMStore} contract.
+ * {@link org.opendaylight.mdsal.dom.spi.store.SnapshotBackedReadTransaction} to implement {@link DOMStore}
+ * contract.
*
*/
-public class InMemoryDOMDataStore extends TransactionReadyPrototype<String> implements DOMStore, Identifiable<String>, SchemaContextListener, AutoCloseable, DOMStoreTreeChangePublisher {
+public class InMemoryDOMDataStore extends TransactionReadyPrototype<String> implements DOMStore,
+ Identifiable<String>, SchemaContextListener, AutoCloseable, DOMStoreTreeChangePublisher {
private static final Logger LOG = LoggerFactory.getLogger(InMemoryDOMDataStore.class);
- private static final Invoker<DataChangeListenerRegistration<?>, DOMImmutableDataChangeEvent> DCL_NOTIFICATION_MGR_INVOKER =
- new Invoker<DataChangeListenerRegistration<?>, DOMImmutableDataChangeEvent>() {
- @Override
- public void invokeListener(final DataChangeListenerRegistration<?> listener,
- final DOMImmutableDataChangeEvent notification ) {
- final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> inst = listener.getInstance();
- if (inst != null) {
- inst.onDataChanged(notification);
- }
- }
- };
-
- private final DataTree dataTree = InMemoryDataTreeFactory.getInstance().create();
- private final ListenerTree listenerTree = ListenerTree.create();
+ private final DataTree dataTree = new InMemoryDataTreeFactory().create(DataTreeConfiguration.DEFAULT_OPERATIONAL);
private final AtomicLong txCounter = new AtomicLong(0);
- private final QueuedNotificationManager<DataChangeListenerRegistration<?>, DOMImmutableDataChangeEvent> dataChangeListenerNotificationManager;
private final InMemoryDOMStoreTreeChangePublisher changePublisher;
private final ExecutorService dataChangeListenerExecutor;
private final boolean debugTransactions;
private volatile AutoCloseable closeable;
public InMemoryDOMDataStore(final String name, final ExecutorService dataChangeListenerExecutor) {
- this(name, dataChangeListenerExecutor, InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_CHANGE_LISTENER_QUEUE_SIZE, false);
+ this(name, dataChangeListenerExecutor,
+ InMemoryDOMDataStoreConfigProperties.DEFAULT_MAX_DATA_CHANGE_LISTENER_QUEUE_SIZE, false);
}
public InMemoryDOMDataStore(final String name, final ExecutorService dataChangeListenerExecutor,
this.name = Preconditions.checkNotNull(name);
this.dataChangeListenerExecutor = Preconditions.checkNotNull(dataChangeListenerExecutor);
this.debugTransactions = debugTransactions;
-
- dataChangeListenerNotificationManager =
- new QueuedNotificationManager<>(this.dataChangeListenerExecutor,
- DCL_NOTIFICATION_MGR_INVOKER, maxDataChangeListenerQueueSize,
- "DataChangeListenerQueueMgr");
- changePublisher = new InMemoryDOMStoreTreeChangePublisher(this.dataChangeListenerExecutor, maxDataChangeListenerQueueSize);
+ changePublisher = new InMemoryDOMStoreTreeChangePublisher(this.dataChangeListenerExecutor,
+ maxDataChangeListenerQueueSize);
}
public void setCloseable(final AutoCloseable closeable) {
this.closeable = closeable;
}
- public QueuedNotificationManager<?, ?> getDataChangeListenerNotificationManager() {
- return dataChangeListenerNotificationManager;
- }
-
@Override
public final String getIdentifier() {
return name;
@Override
public DOMStoreReadTransaction newReadOnlyTransaction() {
- return SnapshotBackedTransactions.newReadTransaction(nextIdentifier(), debugTransactions, dataTree.takeSnapshot());
+ return SnapshotBackedTransactions.newReadTransaction(
+ nextIdentifier(),debugTransactions, dataTree.takeSnapshot());
}
@Override
public DOMStoreReadWriteTransaction newReadWriteTransaction() {
- return SnapshotBackedTransactions.newReadWriteTransaction(nextIdentifier(), debugTransactions, dataTree.takeSnapshot(), this);
+ return SnapshotBackedTransactions.newReadWriteTransaction(nextIdentifier(),
+ debugTransactions, dataTree.takeSnapshot(), this);
}
@Override
public DOMStoreWriteTransaction newWriteOnlyTransaction() {
- return SnapshotBackedTransactions.newWriteTransaction(nextIdentifier(), debugTransactions, dataTree.takeSnapshot(), this);
+ return SnapshotBackedTransactions.newWriteTransaction(nextIdentifier(),
+ debugTransactions, dataTree.takeSnapshot(), this);
}
@Override
dataTree.setSchemaContext(ctx);
}
+ @SuppressWarnings("checkstyle:IllegalCatch")
@Override
public void close() {
ExecutorServiceUtil.tryGracefulShutdown(dataChangeListenerExecutor, 30, TimeUnit.SECONDS);
- if(closeable != null) {
+ if (closeable != null) {
try {
closeable.close();
- } catch(Exception e) {
+ } catch (Exception e) {
LOG.debug("Error closing instance", e);
}
}
}
@Override
- public <L extends AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>> ListenerRegistration<L> registerChangeListener(
- final YangInstanceIdentifier path, final L listener, final DataChangeScope scope) {
-
- /*
- * Make sure commit is not occurring right now. Listener has to be
- * registered and its state capture enqueued at a consistent point.
- *
- * FIXME: improve this to read-write lock, such that multiple listener
- * registrations can occur simultaneously
- */
- final DataChangeListenerRegistration<L> reg;
- synchronized (this) {
- LOG.debug("{}: Registering data change listener {} for {}", name, listener, path);
-
- reg = listenerTree.registerDataChangeListener(path, listener, scope);
-
- Optional<NormalizedNode<?, ?>> currentState = dataTree.takeSnapshot().readNode(path);
- if (currentState.isPresent()) {
- final NormalizedNode<?, ?> data = currentState.get();
-
- final DOMImmutableDataChangeEvent event = DOMImmutableDataChangeEvent.builder(DataChangeScope.BASE) //
- .setAfter(data) //
- .addCreated(path, data) //
- .build();
-
- dataChangeListenerNotificationManager.submitNotification(reg, event);
- }
- }
-
- return new AbstractListenerRegistration<L>(listener) {
- @Override
- protected void removeRegistration() {
- synchronized (InMemoryDOMDataStore.this) {
- reg.close();
- }
- }
- };
- }
-
- @Override
- public synchronized <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(final YangInstanceIdentifier treeId, final L listener) {
+ public synchronized <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
+ final YangInstanceIdentifier treeId, final L listener) {
/*
* Make sure commit is not occurring right now. Listener has to be
* registered and its state capture enqueued at a consistent point.
}
@Override
- protected DOMStoreThreePhaseCommitCohort transactionReady(final SnapshotBackedWriteTransaction<String> tx, final DataTreeModification modification) {
+ protected DOMStoreThreePhaseCommitCohort transactionReady(final SnapshotBackedWriteTransaction<String> tx,
+ final DataTreeModification modification,
+ final Exception readyError) {
LOG.debug("Tx: {} is submitted. Modifications: {}", tx.getIdentifier(), modification);
- return new InMemoryDOMStoreThreePhaseCommitCohort(this, tx, modification);
+ return new InMemoryDOMStoreThreePhaseCommitCohort(this, tx, modification, readyError);
}
String nextIdentifier() {
synchronized void commit(final DataTreeCandidate candidate) {
dataTree.commit(candidate);
changePublisher.publishChange(candidate);
- ResolveDataChangeEventsTask.create(candidate, listenerTree).resolve(dataChangeListenerNotificationManager);
}
}
Code Review / mdsal.git / blobdiff