pekko/akka-docs/rst/java/code/docs/ddata/japi/protobuf/TwoPhaseSetSerializer2.java
Patrik Nordwall da07a2e68e !cdd #17770 Use self recursive type in AbstractReplicatedData (Java API)
* complete the TwoPhaseSet java sample with serialization
2015-07-03 13:51:30 +02:00

89 lines
2.6 KiB
Java

/**
* Copyright (C) 2015 Typesafe Inc. <http://www.typesafe.com>
*/
package docs.ddata.japi.protobuf;
//#serializer
import docs.ddata.japi.TwoPhaseSet;
import docs.ddata.protobuf.msg.TwoPhaseSetMessages;
import docs.ddata.protobuf.msg.TwoPhaseSetMessages.TwoPhaseSet2.Builder;
import java.util.ArrayList;
import java.util.Collections;
import akka.actor.ExtendedActorSystem;
import akka.cluster.ddata.GSet;
import akka.cluster.ddata.protobuf.AbstractSerializationSupport;
import akka.cluster.ddata.protobuf.ReplicatedDataSerializer;
public class TwoPhaseSetSerializer2 extends AbstractSerializationSupport {
private final ExtendedActorSystem system;
private final ReplicatedDataSerializer replicatedDataSerializer;
public TwoPhaseSetSerializer2(ExtendedActorSystem system) {
this.system = system;
this.replicatedDataSerializer = new ReplicatedDataSerializer(system);
}
@Override
public ExtendedActorSystem system() {
return this.system;
}
@Override
public boolean includeManifest() {
return false;
}
@Override
public int identifier() {
return 99998;
}
@Override
public byte[] toBinary(Object obj) {
if (obj instanceof TwoPhaseSet) {
return twoPhaseSetToProto((TwoPhaseSet) obj).toByteArray();
} else {
throw new IllegalArgumentException(
"Can't serialize object of type " + obj.getClass());
}
}
@Override
public Object fromBinaryJava(byte[] bytes, Class<?> manifest) {
return twoPhaseSetFromBinary(bytes);
}
protected TwoPhaseSetMessages.TwoPhaseSet2 twoPhaseSetToProto(TwoPhaseSet twoPhaseSet) {
Builder b = TwoPhaseSetMessages.TwoPhaseSet2.newBuilder();
if (!twoPhaseSet.adds.isEmpty())
b.setAdds(otherMessageToProto(twoPhaseSet.adds).toByteString());
if (!twoPhaseSet.removals.isEmpty())
b.setRemovals(otherMessageToProto(twoPhaseSet.removals).toByteString());
return b.build();
}
@SuppressWarnings("unchecked")
protected TwoPhaseSet twoPhaseSetFromBinary(byte[] bytes) {
try {
TwoPhaseSetMessages.TwoPhaseSet2 msg =
TwoPhaseSetMessages.TwoPhaseSet2.parseFrom(bytes);
GSet<String> adds = GSet.create();
if (msg.hasAdds())
adds = (GSet<String>) otherMessageFromBinary(msg.getAdds().toByteArray());
GSet<String> removals = GSet.create();
if (msg.hasRemovals())
adds = (GSet<String>) otherMessageFromBinary(msg.getRemovals().toByteArray());
return new TwoPhaseSet(adds, removals);
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
}
//#serializer