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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.persistence;
import com.yahoo.slime.ArrayTraverser;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.Inspector;
import com.yahoo.slime.Slime;
import com.yahoo.slime.SlimeUtils;
import com.yahoo.vespa.hosted.controller.versions.OsVersion;
import com.yahoo.vespa.hosted.controller.versions.OsVersionTarget;
import java.time.Instant;
import java.util.Collections;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
/**
* Serializer for {@link com.yahoo.vespa.hosted.controller.versions.OsVersionTarget}.
*
* @author mpolden
*/
public class OsVersionTargetSerializer {
private final OsVersionSerializer osVersionSerializer;
private static final String versionsField = "versions";
private static final String scheduledAtField = "scheduledAt";
private static final String pinnedField = "pinned";
private static final String downgradeField = "downgrade";
public OsVersionTargetSerializer(OsVersionSerializer osVersionSerializer) {
this.osVersionSerializer = osVersionSerializer;
}
public Slime toSlime(SortedSet<OsVersionTarget> osVersionTargets) {
Slime slime = new Slime();
Cursor root = slime.setObject();
Cursor array = root.setArray(versionsField);
osVersionTargets.forEach(target -> toSlime(target, array.addObject()));
return slime;
}
public Set<OsVersionTarget> fromSlime(Slime slime) {
Inspector array = slime.get().field(versionsField);
Set<OsVersionTarget> osVersionTargets = new TreeSet<>();
array.traverse((ArrayTraverser) (i, inspector) -> {
OsVersion osVersion = osVersionSerializer.fromSlime(inspector);
Instant scheduledAt = SlimeUtils.instant(inspector.field(scheduledAtField));
boolean pinned = inspector.field(pinnedField).asBool();
boolean downgrade = inspector.field(downgradeField).asBool();
osVersionTargets.add(new OsVersionTarget(osVersion, scheduledAt, pinned, downgrade));
});
return Collections.unmodifiableSet(osVersionTargets);
}
private void toSlime(OsVersionTarget target, Cursor object) {
osVersionSerializer.toSlime(target.osVersion(), object);
object.setLong(scheduledAtField, target.scheduledAt().toEpochMilli());
object.setBool(pinnedField, target.pinned());
object.setBool(downgradeField, target.downgrade());
}
}
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