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TestSearchUpdaterStream.java
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TestSearchUpdaterStream.java
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/*
* Copyright (c) 2022 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.thingsearch.service.persistence.write.streaming;
import javax.annotation.Nullable;
import org.eclipse.ditto.base.model.json.FieldType;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.policies.model.Policy;
import org.eclipse.ditto.policies.model.PolicyId;
import org.eclipse.ditto.things.model.Thing;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.thingsearch.service.common.config.DefaultPersistenceStreamConfig;
import org.eclipse.ditto.thingsearch.service.persistence.write.mapping.EnforcedThingMapper;
import org.eclipse.ditto.thingsearch.service.persistence.write.model.AbstractWriteModel;
import org.eclipse.ditto.thingsearch.service.persistence.write.model.Metadata;
import org.eclipse.ditto.thingsearch.service.persistence.write.model.ThingDeleteModel;
import org.eclipse.ditto.thingsearch.service.persistence.write.model.WriteResultAndErrors;
import org.eclipse.ditto.thingsearch.service.updater.actors.ThingUpdater;
import com.mongodb.reactivestreams.client.MongoDatabase;
import com.typesafe.config.ConfigFactory;
import akka.NotUsed;
import akka.stream.javadsl.Source;
/**
* Run parts of the updater stream for unit tests.
*/
public final class TestSearchUpdaterStream {
private final MongoSearchUpdaterFlow mongoSearchUpdaterFlow;
private TestSearchUpdaterStream(final MongoSearchUpdaterFlow mongoSearchUpdaterFlow) {
this.mongoSearchUpdaterFlow = mongoSearchUpdaterFlow;
}
/**
* Create a test stream.
*
* @param database the MongoDB database.
* @return the test stream.
*/
public static TestSearchUpdaterStream of(final MongoDatabase database,
final SearchUpdateMapper searchUpdateMapper) {
final var mongoSearchUpdaterFlow = MongoSearchUpdaterFlow.of(database,
DefaultPersistenceStreamConfig.of(ConfigFactory.empty())
);
return new TestSearchUpdaterStream(mongoSearchUpdaterFlow);
}
/**
* Write a thing into the updater stream.
*
* @param thing the thing
* @param policy the policy
* @param policyRevision the policy revision
* @return source of write result.
*/
public Source<WriteResultAndErrors, NotUsed> write(final Thing thing,
final Policy policy,
final long policyRevision) {
final JsonObject thingJson = thing.toJson(FieldType.all());
final AbstractWriteModel writeModel = EnforcedThingMapper.toWriteModel(thingJson, policy, policyRevision,
null, -1);
final var mongoWriteModel =
writeModel.toIncrementalMongo(
ThingDeleteModel.of(Metadata.ofDeleted(thing.getEntityId().orElseThrow()))).orElseThrow();
return Source.single(mongoWriteModel)
.via(mongoSearchUpdaterFlow.create())
.map(ThingUpdater.Result::resultAndErrors);
}
/**
* Deletes a thing from the updater stream.
*
* @param thingId the thing id.
* @param revision the revision.
* @param policyId the policy id.
* @param policyRevision the policy revision.
* @return the write result.
*/
public Source<WriteResultAndErrors, NotUsed> delete(final ThingId thingId, final long revision,
@Nullable final PolicyId policyId, final long policyRevision) {
return delete(Metadata.of(thingId, revision, policyId, policyRevision, null));
}
/**
* Delete a thing from the updater stream.
*
* @param metadata the metadata.
* @return source of write result.
*/
private Source<WriteResultAndErrors, NotUsed> delete(final Metadata metadata) {
final AbstractWriteModel writeModel = ThingDeleteModel.of(metadata);
return Source.single(writeModel.toIncrementalMongo(writeModel).orElseThrow())
.via(mongoSearchUpdaterFlow.create())
.map(ThingUpdater.Result::resultAndErrors);
}
}