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rename akka-docs dir to docs (#62)

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PJ Fanning 2022-12-02 10:49:40 +01:00 • committed by GitHub
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akka-docs/src/test/java/jdocs/ddata/protobuf/TwoPhaseSetSerializer.java
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@ -1,89 +0,0 @@
/*
* Copyright (C) 2015-2022 Lightbend Inc. <https://www.lightbend.com>
*/
package jdocs.ddata.protobuf;
// #serializer
import jdocs.ddata.TwoPhaseSet;
import docs.ddata.protobuf.msg.TwoPhaseSetMessages;
import docs.ddata.protobuf.msg.TwoPhaseSetMessages.TwoPhaseSet.Builder;
import java.util.ArrayList;
import java.util.Collections;
import org.apache.pekko.actor.ExtendedActorSystem;
import org.apache.pekko.cluster.ddata.GSet;
import org.apache.pekko.cluster.ddata.protobuf.AbstractSerializationSupport;
public class TwoPhaseSetSerializer extends AbstractSerializationSupport {
private final ExtendedActorSystem system;
public TwoPhaseSetSerializer(ExtendedActorSystem system) {
this.system = 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.TwoPhaseSet twoPhaseSetToProto(TwoPhaseSet twoPhaseSet) {
Builder b = TwoPhaseSetMessages.TwoPhaseSet.newBuilder();
ArrayList<String> adds = new ArrayList<>(twoPhaseSet.adds.getElements());
if (!adds.isEmpty()) {
Collections.sort(adds);
b.addAllAdds(adds);
}
ArrayList<String> removals = new ArrayList<>(twoPhaseSet.removals.getElements());
if (!removals.isEmpty()) {
Collections.sort(removals);
b.addAllRemovals(removals);
}
return b.build();
}
protected TwoPhaseSet twoPhaseSetFromBinary(byte[] bytes) {
try {
TwoPhaseSetMessages.TwoPhaseSet msg = TwoPhaseSetMessages.TwoPhaseSet.parseFrom(bytes);
GSet<String> adds = GSet.create();
for (String elem : msg.getAddsList()) {
adds = adds.add(elem);
}
GSet<String> removals = GSet.create();
for (String elem : msg.getRemovalsList()) {
removals = removals.add(elem);
}
// GSet will accumulate deltas when adding elements,
// but those are not of interest in the result of the deserialization
return new TwoPhaseSet(adds.resetDelta(), removals.resetDelta());
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
}
// #serializer