* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.controller.cluster.example;
import akka.actor.ActorRef;
import akka.actor.Props;
-import com.google.common.base.Optional;
-import com.google.common.base.Throwables;
import com.google.common.io.ByteSource;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;
-import javax.annotation.Nonnull;
+import java.util.Optional;
import org.apache.commons.lang3.SerializationUtils;
import org.opendaylight.controller.cluster.example.messages.KeyValue;
import org.opendaylight.controller.cluster.example.messages.KeyValueSaved;
import org.opendaylight.yangtools.util.AbstractStringIdentifier;
/**
- * A sample actor showing how the RaftActor is to be extended
+ * A sample actor showing how the RaftActor is to be extended.
*/
public class ExampleActor extends RaftActor implements RaftActorRecoveryCohort, RaftActorSnapshotCohort {
private static final class PayloadIdentifier extends AbstractStringIdentifier<PayloadIdentifier> {
}
private final Map<String, String> state = new HashMap<>();
-
- private long persistIdentifier = 1;
private final Optional<ActorRef> roleChangeNotifier;
+ private long persistIdentifier = 1;
- public ExampleActor(String id, Map<String, String> peerAddresses,
- Optional<ConfigParams> configParams) {
+ public ExampleActor(final String id, final Map<String, String> peerAddresses,
+ final Optional<ConfigParams> configParams) {
super(id, peerAddresses, configParams, (short)0);
setPersistence(true);
roleChangeNotifier = createRoleChangeNotifier(id);
}
@Override
- protected void handleNonRaftCommand(Object message) {
- if(message instanceof KeyValue){
- if(isLeader()) {
+ protected void handleNonRaftCommand(final Object message) {
+ if (message instanceof KeyValue) {
+ if (isLeader()) {
persistData(getSender(), new PayloadIdentifier(persistIdentifier++), (Payload) message, false);
} else {
- if(getLeader() != null) {
+ if (getLeader() != null) {
getLeader().forward(message, getContext());
}
}
} else if (message instanceof PrintState) {
- if(LOG.isDebugEnabled()) {
+ if (LOG.isDebugEnabled()) {
LOG.debug("State of the node:{} has entries={}, {}",
getId(), state.size(), getReplicatedLogState());
}
} else if (message instanceof PrintRole) {
- if(LOG.isDebugEnabled()) {
+ if (LOG.isDebugEnabled()) {
if (getRaftState() == RaftState.Leader || getRaftState() == RaftState.IsolatedLeader) {
final String followers = ((Leader)this.getCurrentBehavior()).printFollowerStates();
LOG.debug("{} = {}, Peers={}, followers={}", getId(), getRaftState(),
+ ", im-mem journal size=" + getRaftActorContext().getReplicatedLog().size();
}
- public Optional<ActorRef> createRoleChangeNotifier(String actorId) {
+ public Optional<ActorRef> createRoleChangeNotifier(final String actorId) {
ActorRef exampleRoleChangeNotifier = this.getContext().actorOf(
RoleChangeNotifier.getProps(actorId), actorId + "-notifier");
return Optional.<ActorRef>of(exampleRoleChangeNotifier);
@Override
protected void applyState(final ActorRef clientActor, final Identifier identifier, final Object data) {
- if(data instanceof KeyValue){
+ if (data instanceof KeyValue) {
KeyValue kv = (KeyValue) data;
state.put(kv.getKey(), kv.getValue());
- if(clientActor != null) {
+ if (clientActor != null) {
clientActor.tell(new KeyValueSaved(), getSelf());
}
}
}
@Override
- public void createSnapshot(ActorRef actorRef, java.util.Optional<OutputStream> installSnapshotStream) {
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ public void createSnapshot(final ActorRef actorRef, final Optional<OutputStream> installSnapshotStream) {
try {
if (installSnapshotStream.isPresent()) {
SerializationUtils.serialize((Serializable) state, installSnapshotStream.get());
}
- } catch (Exception e) {
+ } catch (RuntimeException e) {
LOG.error("Exception in creating snapshot", e);
}
}
@Override
- public void applySnapshot(Snapshot.State snapshotState) {
+ public void applySnapshot(final Snapshot.State snapshotState) {
state.clear();
- try {
- state.putAll(((MapState)snapshotState).state);
- } catch (Exception e) {
- LOG.error("Exception in applying snapshot", e);
- }
- if(LOG.isDebugEnabled()) {
- LOG.debug("Snapshot applied to state : {}", ((HashMap<?, ?>) state).size());
+ state.putAll(((MapState)snapshotState).state);
+
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Snapshot applied to state : {}", state.size());
}
}
- @Override protected void onStateChanged() {
+ @Override
+ protected void onStateChanged() {
}
- @Override public String persistenceId() {
+ @Override
+ public String persistenceId() {
return getId();
}
@Override
- @Nonnull
protected RaftActorRecoveryCohort getRaftActorRecoveryCohort() {
return this;
}
@Override
- public void startLogRecoveryBatch(int maxBatchSize) {
+ public void startLogRecoveryBatch(final int maxBatchSize) {
}
@Override
- public void appendRecoveredLogEntry(Payload data) {
+ public void appendRecoveredLogEntry(final Payload data) {
}
@Override
}
@Override
- public void applyRecoverySnapshot(Snapshot.State snapshotState) {
+ public void applyRecoverySnapshot(final Snapshot.State snapshotState) {
}
@Override
@SuppressWarnings("unchecked")
@Override
- public Snapshot.State deserializeSnapshot(ByteSource snapshotBytes) {
+ public Snapshot.State deserializeSnapshot(final ByteSource snapshotBytes) {
try {
return new MapState((Map<String, String>) SerializationUtils.deserialize(snapshotBytes.read()));
} catch (IOException e) {
- throw Throwables.propagate(e);
+ throw new RuntimeException(e);
}
}
Map<String, String> state;
- MapState(Map<String, String> state) {
+ MapState(final Map<String, String> state) {
this.state = state;
}
}
Code Review / controller.git / blobdiff