pekko/akka-docs/src/main/paradox/java/code/jdocs/ddata/TwoPhaseSet.java
Arnout Engelen a4a0d308ad 'git mv' rst resources to md
This is mainly intended to keep the git history as neat as possible.
No actual conversion yet, so now both the rst and the paradox docs
are broken, which will be fixed in the next commits.
2017-05-10 15:44:43 +02:00

48 lines
1.2 KiB
Java

/**
* Copyright (C) 2015-2017 Lightbend Inc. <http://www.lightbend.com>
*/
package jdocs.ddata;
import java.util.HashSet;
import java.util.Set;
import akka.cluster.ddata.AbstractReplicatedData;
import akka.cluster.ddata.GSet;
//#twophaseset
public class TwoPhaseSet extends AbstractReplicatedData<TwoPhaseSet> {
public final GSet<String> adds;
public final GSet<String> removals;
public TwoPhaseSet(GSet<String> adds, GSet<String> removals) {
this.adds = adds;
this.removals = removals;
}
public static TwoPhaseSet create() {
return new TwoPhaseSet(GSet.create(), GSet.create());
}
public TwoPhaseSet add(String element) {
return new TwoPhaseSet(adds.add(element), removals);
}
public TwoPhaseSet remove(String element) {
return new TwoPhaseSet(adds, removals.add(element));
}
public Set<String> getElements() {
Set<String> result = new HashSet<>(adds.getElements());
result.removeAll(removals.getElements());
return result;
}
@Override
public TwoPhaseSet mergeData(TwoPhaseSet that) {
return new TwoPhaseSet(this.adds.merge(that.adds),
this.removals.merge(that.removals));
}
}
//#twophaseset