Bug 7521: Add FileBackedOutputStream and use for snapshot chunking

[controller.git] / opendaylight / md-sal / sal-akka-raft / src / main / java / org / opendaylight / controller / cluster / raft / RaftActorContext.java

diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContext.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContext.java
index 2896c44a2cef79ef12e002a5332b414e3368e4db..1d59ed1f85da6b5d572d71bbe550ac608eea2ec0 100644 (file)
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContext.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/RaftActorContext.java
@@ -16,10 +16,13 @@ import akka.cluster.Cluster;
 import com.google.common.annotations.VisibleForTesting;
 import java.util.Collection;
 import java.util.Optional;
+import java.util.function.Consumer;
 import java.util.function.LongSupplier;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 import org.opendaylight.controller.cluster.DataPersistenceProvider;
+import org.opendaylight.controller.cluster.io.FileBackedOutputStream;
+import org.opendaylight.controller.cluster.raft.base.messages.ApplyState;
 import org.opendaylight.controller.cluster.raft.behaviors.RaftActorBehavior;
 import org.opendaylight.controller.cluster.raft.persisted.ServerConfigurationPayload;
 import org.opendaylight.controller.cluster.raft.policy.RaftPolicy;
@@ -316,4 +319,20 @@ public interface RaftActorContext {
      * @return current behavior.
      */
     RaftActorBehavior getCurrentBehavior();
+
+    /**
+     * Returns the consumer of ApplyState operations. This is invoked by a behavior when a log entry needs to be
+     * applied to the state.
+     *
+     * @return the Consumer
+     */
+    Consumer<ApplyState> getApplyStateConsumer();
+
+    /**
+     * Creates a FileBackedOutputStream with a common configuration.
+     *
+     * @return a FileBackedOutputStream instance
+     */
+    @Nonnull
+    FileBackedOutputStream newFileBackedOutputStream();
 }