X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FShardDataTree.java;h=edf05f2a25bb9fe5bb108b18dd5fcd10709266e8;hp=fbe699223c3e5fd6c399c7a680d4a48130b6df89;hb=17211c982bcee83306af49b1b75c764dcb504b5d;hpb=cac7138ddd81d1cc801d4b6cd9bc4372e0a8ddd3;ds=sidebyside diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTree.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTree.java index fbe699223c..edf05f2a25 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTree.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardDataTree.java @@ -7,28 +7,31 @@ */ package org.opendaylight.controller.cluster.datastore; -import com.google.common.annotations.VisibleForTesting; import com.google.common.base.Optional; -import com.google.common.base.Strings; +import com.google.common.base.Preconditions; import java.util.AbstractMap.SimpleEntry; import java.util.HashMap; import java.util.Map; import java.util.Map.Entry; import javax.annotation.concurrent.NotThreadSafe; +import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier; +import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier; import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope; import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener; import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener; -import org.opendaylight.controller.md.sal.dom.store.impl.DOMImmutableDataChangeEvent; -import org.opendaylight.controller.md.sal.dom.store.impl.ResolveDataChangeEventsTask; -import org.opendaylight.controller.md.sal.dom.store.impl.tree.ListenerTree; +import org.opendaylight.controller.md.sal.dom.store.impl.DataChangeListenerRegistration; +import org.opendaylight.yangtools.concepts.Identifier; import org.opendaylight.yangtools.concepts.ListenerRegistration; 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.DataTreeCandidate; +import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidateTip; import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeCandidates; 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.opendaylight.yangtools.yang.data.api.schema.tree.TipProducingDataTree; +import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType; import org.opendaylight.yangtools.yang.data.impl.schema.tree.InMemoryDataTreeFactory; import org.opendaylight.yangtools.yang.model.api.SchemaContext; import org.slf4j.Logger; @@ -42,64 +45,94 @@ import org.slf4j.LoggerFactory; * This class is not part of the API contract and is subject to change at any time. */ @NotThreadSafe -@VisibleForTesting -public final class ShardDataTree extends ShardDataTreeTransactionParent { +public class ShardDataTree extends ShardDataTreeTransactionParent { private static final Logger LOG = LoggerFactory.getLogger(ShardDataTree.class); - private static final ShardDataTreeNotificationManager MANAGER = new ShardDataTreeNotificationManager(); - private final Map transactionChains = new HashMap<>(); - private final ShardDataTreeChangePublisher treeChangePublisher = new ShardDataTreeChangePublisher(); - private final ListenerTree listenerTree = ListenerTree.create(); + + private final Map transactionChains = new HashMap<>(); + private final ShardDataTreeChangeListenerPublisher treeChangeListenerPublisher; + private final ShardDataChangeListenerPublisher dataChangeListenerPublisher; private final TipProducingDataTree dataTree; + private final String logContext; + private SchemaContext schemaContext; + + public ShardDataTree(final SchemaContext schemaContext, final TreeType treeType, + final ShardDataTreeChangeListenerPublisher treeChangeListenerPublisher, + final ShardDataChangeListenerPublisher dataChangeListenerPublisher, final String logContext) { + dataTree = InMemoryDataTreeFactory.getInstance().create(treeType); + updateSchemaContext(schemaContext); + + this.treeChangeListenerPublisher = Preconditions.checkNotNull(treeChangeListenerPublisher); + this.dataChangeListenerPublisher = Preconditions.checkNotNull(dataChangeListenerPublisher); + this.logContext = Preconditions.checkNotNull(logContext); + } - ShardDataTree(final SchemaContext schemaContext) { - dataTree = InMemoryDataTreeFactory.getInstance().create(); - if (schemaContext != null) { - dataTree.setSchemaContext(schemaContext); - } + public ShardDataTree(final SchemaContext schemaContext, final TreeType treeType) { + this(schemaContext, treeType, new DefaultShardDataTreeChangeListenerPublisher(), + new DefaultShardDataChangeListenerPublisher(), ""); } - TipProducingDataTree getDataTree() { + public TipProducingDataTree getDataTree() { return dataTree; } + SchemaContext getSchemaContext() { + return schemaContext; + } + void updateSchemaContext(final SchemaContext schemaContext) { dataTree.setSchemaContext(schemaContext); + this.schemaContext = Preconditions.checkNotNull(schemaContext); } - private ShardDataTreeTransactionChain ensureTransactionChain(final String chainId) { - ShardDataTreeTransactionChain chain = transactionChains.get(chainId); + private ShardDataTreeTransactionChain ensureTransactionChain(final LocalHistoryIdentifier localHistoryIdentifier) { + ShardDataTreeTransactionChain chain = transactionChains.get(localHistoryIdentifier); if (chain == null) { - chain = new ShardDataTreeTransactionChain(chainId, this); - transactionChains.put(chainId, chain); + chain = new ShardDataTreeTransactionChain(localHistoryIdentifier, this); + transactionChains.put(localHistoryIdentifier, chain); } return chain; } - ReadOnlyShardDataTreeTransaction newReadOnlyTransaction(final String txId, final String chainId) { - if (Strings.isNullOrEmpty(chainId)) { + ReadOnlyShardDataTreeTransaction newReadOnlyTransaction(final TransactionIdentifier txId) { + if (txId.getHistoryId().getHistoryId() == 0) { return new ReadOnlyShardDataTreeTransaction(txId, dataTree.takeSnapshot()); } - return ensureTransactionChain(chainId).newReadOnlyTransaction(txId); + return ensureTransactionChain(txId.getHistoryId()).newReadOnlyTransaction(txId); } - ReadWriteShardDataTreeTransaction newReadWriteTransaction(final String txId, final String chainId) { - if (Strings.isNullOrEmpty(chainId)) { - return new ReadWriteShardDataTreeTransaction(this, txId, dataTree.takeSnapshot().newModification()); + ReadWriteShardDataTreeTransaction newReadWriteTransaction(final TransactionIdentifier txId) { + if (txId.getHistoryId().getHistoryId() == 0) { + return new ReadWriteShardDataTreeTransaction(ShardDataTree.this, txId, dataTree.takeSnapshot() + .newModification()); } - return ensureTransactionChain(chainId).newReadWriteTransaction(txId); + return ensureTransactionChain(txId.getHistoryId()).newReadWriteTransaction(txId); } - void notifyListeners(final DataTreeCandidate candidate) { - LOG.debug("Notifying listeners on candidate {}", candidate); + public void notifyListeners(final DataTreeCandidate candidate) { + treeChangeListenerPublisher.publishChanges(candidate, logContext); + dataChangeListenerPublisher.publishChanges(candidate, logContext); + } - // DataTreeChanges first, as they are more light-weight - treeChangePublisher.publishChanges(candidate); + void notifyOfInitialData(final DataChangeListenerRegistration>> listenerReg, final Optional currentState) { + if (currentState.isPresent()) { + ShardDataChangeListenerPublisher localPublisher = dataChangeListenerPublisher.newInstance(); + localPublisher.registerDataChangeListener(listenerReg.getPath(), listenerReg.getInstance(), + listenerReg.getScope()); + localPublisher.publishChanges(currentState.get(), logContext); + } + } - // DataChanges second, as they are heavier - ResolveDataChangeEventsTask.create(candidate, listenerTree).resolve(MANAGER); + void notifyOfInitialData(final YangInstanceIdentifier path, final DOMDataTreeChangeListener listener, + final Optional currentState) { + if (currentState.isPresent()) { + ShardDataTreeChangeListenerPublisher localPublisher = treeChangeListenerPublisher.newInstance(); + localPublisher.registerTreeChangeListener(path, listener); + localPublisher.publishChanges(currentState.get(), logContext); + } } void closeAllTransactionChains() { @@ -110,55 +143,47 @@ public final class ShardDataTree extends ShardDataTreeTransactionParent { transactionChains.clear(); } - void closeTransactionChain(final String transactionChainId) { + void closeTransactionChain(final LocalHistoryIdentifier transactionChainId) { final ShardDataTreeTransactionChain chain = transactionChains.remove(transactionChainId); if (chain != null) { chain.close(); } else { - LOG.warn("Closing non-existent transaction chain {}", transactionChainId); + LOG.debug("{}: Closing non-existent transaction chain {}", logContext, transactionChainId); } } - Entry>>, DOMImmutableDataChangeEvent> registerChangeListener( - final YangInstanceIdentifier path, - final AsyncDataChangeListener> listener, final DataChangeScope scope) { - final ListenerRegistration>> reg = - listenerTree.registerDataChangeListener(path, listener, scope); + Entry>>, + Optional> registerChangeListener(final YangInstanceIdentifier path, + final AsyncDataChangeListener> listener, + final DataChangeScope scope) { + final DataChangeListenerRegistration>> reg = + dataChangeListenerPublisher.registerDataChangeListener(path, listener, scope); - final Optional> currentState = dataTree.takeSnapshot().readNode(path); - final DOMImmutableDataChangeEvent event; - if (currentState.isPresent()) { - final NormalizedNode data = currentState.get(); - event = DOMImmutableDataChangeEvent.builder(DataChangeScope.BASE).setAfter(data).addCreated(path, data).build(); - } else { - event = null; - } + return new SimpleEntry<>(reg, readCurrentData()); + } - return new SimpleEntry<>(reg, event); + private Optional readCurrentData() { + final Optional> currentState = dataTree.takeSnapshot().readNode(YangInstanceIdentifier.EMPTY); + return currentState.isPresent() ? Optional.of(DataTreeCandidates.fromNormalizedNode( + YangInstanceIdentifier.EMPTY, currentState.get())) : Optional.absent(); } - Entry, DataTreeCandidate> registerTreeChangeListener(final YangInstanceIdentifier path, - final DOMDataTreeChangeListener listener) { - final ListenerRegistration reg = treeChangePublisher.registerTreeChangeListener(path, listener); + public Entry, Optional> registerTreeChangeListener( + final YangInstanceIdentifier path, final DOMDataTreeChangeListener listener) { + final ListenerRegistration reg = treeChangeListenerPublisher.registerTreeChangeListener( + path, listener); - final Optional> currentState = dataTree.takeSnapshot().readNode(path); - final DataTreeCandidate event; - if (currentState.isPresent()) { - event = DataTreeCandidates.fromNormalizedNode(path, currentState.get()); - } else { - event = null; - } - return new SimpleEntry<>(reg, event); + return new SimpleEntry<>(reg, readCurrentData()); } - void applyForeignCandidate(final String identifier, final DataTreeCandidate foreign) throws DataValidationFailedException { - LOG.debug("Applying foreign transaction {}", identifier); + void applyForeignCandidate(final Identifier identifier, final DataTreeCandidate foreign) throws DataValidationFailedException { + LOG.debug("{}: Applying foreign transaction {}", logContext, identifier); final DataTreeModification mod = dataTree.takeSnapshot().newModification(); DataTreeCandidates.applyToModification(mod, foreign); mod.ready(); - LOG.trace("Applying foreign modification {}", mod); + LOG.trace("{}: Applying foreign modification {}", logContext, mod); dataTree.validate(mod); final DataTreeCandidate candidate = dataTree.prepare(mod); dataTree.commit(candidate); @@ -174,7 +199,27 @@ public final class ShardDataTree extends ShardDataTreeTransactionParent { ShardDataTreeCohort finishTransaction(final ReadWriteShardDataTreeTransaction transaction) { final DataTreeModification snapshot = transaction.getSnapshot(); snapshot.ready(); - return new SimpleShardDataTreeCohort(this, snapshot); + return new SimpleShardDataTreeCohort(this, snapshot, transaction.getId()); + } + + public Optional> readNode(final YangInstanceIdentifier path) { + return dataTree.takeSnapshot().readNode(path); } + public DataTreeSnapshot takeSnapshot() { + return dataTree.takeSnapshot(); + } + + public DataTreeModification newModification() { + return dataTree.takeSnapshot().newModification(); + } + + // FIXME: This should be removed, it violates encapsulation + public DataTreeCandidate commit(final DataTreeModification modification) throws DataValidationFailedException { + modification.ready(); + dataTree.validate(modification); + DataTreeCandidateTip candidate = dataTree.prepare(modification); + dataTree.commit(candidate); + return candidate; + } }