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PolicyMongoSnapshotAdapter.java
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PolicyMongoSnapshotAdapter.java
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/*
* Copyright (c) 2017 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.policies.service.persistence.serializer;
import java.util.Optional;
import javax.annotation.concurrent.ThreadSafe;
import org.eclipse.ditto.internal.utils.persistence.mongo.AbstractMongoSnapshotAdapter;
import org.eclipse.ditto.json.JsonField;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.json.JsonValue;
import org.eclipse.ditto.policies.model.PoliciesModelFactory;
import org.eclipse.ditto.policies.model.Policy;
import org.eclipse.ditto.policies.model.PolicyLifecycle;
import org.slf4j.LoggerFactory;
import com.typesafe.config.Config;
import org.apache.pekko.actor.ActorSystem;
/**
* A {@link org.eclipse.ditto.internal.utils.persistence.SnapshotAdapter} for snapshotting a
* {@link org.eclipse.ditto.policies.model.Policy}.
*/
@ThreadSafe
public final class PolicyMongoSnapshotAdapter extends AbstractMongoSnapshotAdapter<Policy> {
/**
* @param actorSystem the actor system in which to load the extension
* @param config the config of the extension.
*/
@SuppressWarnings("unused")
public PolicyMongoSnapshotAdapter(final ActorSystem actorSystem, final Config config) {
this();
}
/**
* Constructs a new {@code PolicyMongoSnapshotAdapter}.
*/
public PolicyMongoSnapshotAdapter() {
super(LoggerFactory.getLogger(PolicyMongoSnapshotAdapter.class));
}
@Override
protected boolean isDeleted(final Policy snapshotEntity) {
return snapshotEntity.hasLifecycle(PolicyLifecycle.DELETED);
}
@Override
protected JsonField getDeletedLifecycleJsonField() {
final var field = Policy.JsonFields.LIFECYCLE;
return JsonField.newInstance(field.getPointer().getRoot().orElseThrow(),
JsonValue.of(PolicyLifecycle.DELETED.name()), field);
}
@Override
protected Optional<JsonField> getRevisionJsonField(final Policy entity) {
final var field = Policy.JsonFields.REVISION;
return entity.getRevision().map(revision ->
JsonField.newInstance(field.getPointer().getRoot().orElseThrow(), JsonValue.of(revision.toLong())));
}
@Override
protected Policy createJsonifiableFrom(final JsonObject jsonObject) {
return PoliciesModelFactory.newPolicy(jsonObject);
}
}