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%2FShardSnapshotCohort.java;h=d3d840923bd5bac4d7b599f05c7a3629a2fc5344;hp=c59085d61c57961feb915077e996262b92e2ce17;hb=50a2f5eb1c94650bc1be1e49d3a5382a1a74a9b3;hpb=dbff1740fe3e5a1f007c183ecc27d25915866945 diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardSnapshotCohort.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardSnapshotCohort.java index c59085d61c..d3d840923b 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardSnapshotCohort.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardSnapshotCohort.java @@ -8,14 +8,17 @@ package org.opendaylight.controller.cluster.datastore; import akka.actor.ActorRef; +import com.google.common.base.Preconditions; import java.util.concurrent.ExecutionException; -import org.opendaylight.controller.cluster.datastore.identifiers.ShardTransactionIdentifier; +import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier; +import org.opendaylight.controller.cluster.access.concepts.FrontendIdentifier; +import org.opendaylight.controller.cluster.access.concepts.FrontendType; +import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier; +import org.opendaylight.controller.cluster.access.concepts.MemberName; +import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier; import org.opendaylight.controller.cluster.datastore.messages.CreateSnapshot; import org.opendaylight.controller.cluster.datastore.utils.SerializationUtils; import org.opendaylight.controller.cluster.raft.RaftActorSnapshotCohort; -import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction; import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; import org.slf4j.Logger; @@ -26,21 +29,30 @@ import org.slf4j.Logger; * @author Thomas Pantelis */ class ShardSnapshotCohort implements RaftActorSnapshotCohort { + private static final FrontendType SNAPSHOT_APPLY = FrontendType.forName("snapshot-apply"); + private static final FrontendType SNAPSHOT_READ = FrontendType.forName("snapshot-read"); - private static final YangInstanceIdentifier DATASTORE_ROOT = YangInstanceIdentifier.builder().build(); - - private int createSnapshotTransactionCounter; private final ShardTransactionActorFactory transactionActorFactory; - private final InMemoryDOMDataStore store; - private final Logger log; + private final LocalHistoryIdentifier applyHistoryId; + private final LocalHistoryIdentifier readHistoryId; + private final ShardDataTree store; private final String logId; + private final Logger log; - ShardSnapshotCohort(ShardTransactionActorFactory transactionActorFactory, InMemoryDOMDataStore store, + private long applyCounter; + private long readCounter; + + ShardSnapshotCohort(MemberName memberName, ShardTransactionActorFactory transactionActorFactory, ShardDataTree store, Logger log, String logId) { - this.transactionActorFactory = transactionActorFactory; - this.store = store; + this.transactionActorFactory = Preconditions.checkNotNull(transactionActorFactory); + this.store = Preconditions.checkNotNull(store); this.log = log; this.logId = logId; + + this.applyHistoryId = new LocalHistoryIdentifier(ClientIdentifier.create( + FrontendIdentifier.create(memberName, SNAPSHOT_APPLY), 0), 0); + this.readHistoryId = new LocalHistoryIdentifier(ClientIdentifier.create( + FrontendIdentifier.create(memberName, SNAPSHOT_READ), 0), 0); } @Override @@ -49,11 +61,8 @@ class ShardSnapshotCohort implements RaftActorSnapshotCohort { // so that this actor does not get block building the snapshot. THe transaction actor will // after processing the CreateSnapshot message. - ShardTransactionIdentifier transactionID = new ShardTransactionIdentifier( - "createSnapshot" + ++createSnapshotTransactionCounter); - ActorRef createSnapshotTransaction = transactionActorFactory.newShardTransaction( - TransactionProxy.TransactionType.READ_ONLY, transactionID, "", DataStoreVersions.CURRENT_VERSION); + TransactionType.READ_ONLY, new TransactionIdentifier(readHistoryId, readCounter++)); createSnapshotTransaction.tell(CreateSnapshot.INSTANCE, actorRef); } @@ -67,15 +76,16 @@ class ShardSnapshotCohort implements RaftActorSnapshotCohort { log.info("{}: Applying snapshot", logId); try { - DOMStoreWriteTransaction transaction = store.newWriteOnlyTransaction(); + ReadWriteShardDataTreeTransaction transaction = store.newReadWriteTransaction( + new TransactionIdentifier(applyHistoryId, applyCounter++)); NormalizedNode node = SerializationUtils.deserializeNormalizedNode(snapshotBytes); // delete everything first - transaction.delete(DATASTORE_ROOT); + transaction.getSnapshot().delete(YangInstanceIdentifier.EMPTY); // Add everything from the remote node back - transaction.write(DATASTORE_ROOT, node); + transaction.getSnapshot().write(YangInstanceIdentifier.EMPTY, node); syncCommitTransaction(transaction); } catch (InterruptedException | ExecutionException e) { log.error("{}: An exception occurred when applying snapshot", logId, e); @@ -85,9 +95,9 @@ class ShardSnapshotCohort implements RaftActorSnapshotCohort { } - void syncCommitTransaction(final DOMStoreWriteTransaction transaction) + void syncCommitTransaction(final ReadWriteShardDataTreeTransaction transaction) throws ExecutionException, InterruptedException { - DOMStoreThreePhaseCommitCohort commitCohort = transaction.ready(); + ShardDataTreeCohort commitCohort = store.finishTransaction(transaction); commitCohort.preCommit().get(); commitCohort.commit().get(); }