/
ThingsMappingStrategy.java
executable file
·58 lines (50 loc) · 2.48 KB
/
ThingsMappingStrategy.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.services.models.things;
import java.util.Map;
import java.util.function.BiFunction;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.model.base.headers.DittoHeaders;
import org.eclipse.ditto.model.base.json.Jsonifiable;
import org.eclipse.ditto.model.things.Thing;
import org.eclipse.ditto.model.things.ThingsModelFactory;
import org.eclipse.ditto.services.models.streaming.BatchedEntityIdWithRevisions;
import org.eclipse.ditto.services.utils.cluster.MappingStrategiesBuilder;
import org.eclipse.ditto.services.utils.cluster.MappingStrategy;
import org.eclipse.ditto.signals.base.GlobalErrorRegistry;
import org.eclipse.ditto.signals.commands.base.GlobalCommandRegistry;
import org.eclipse.ditto.signals.commands.base.GlobalCommandResponseRegistry;
import org.eclipse.ditto.signals.events.base.GlobalEventRegistry;
/**
* {@link MappingStrategy} for the Things service containing all {@link Jsonifiable} types known to Things.
*/
public final class ThingsMappingStrategy implements MappingStrategy {
@Override
public Map<String, BiFunction<JsonObject, DittoHeaders, Jsonifiable>> determineStrategy() {
final MappingStrategiesBuilder builder = MappingStrategiesBuilder.newInstance();
builder.add(GlobalErrorRegistry.getInstance());
builder.add(GlobalCommandRegistry.getInstance());
builder.add(GlobalCommandResponseRegistry.getInstance());
addThingsStrategies(builder);
return builder.build();
}
private static void addThingsStrategies(final MappingStrategiesBuilder builder) {
builder.add(GlobalEventRegistry.getInstance())
.add(Thing.class,
(jsonObject) -> ThingsModelFactory.newThing(jsonObject)) // do not replace with lambda!
.add(ThingTag.class, jsonObject -> ThingTag.fromJson(jsonObject)) // do not replace with lambda!
.add(BatchedEntityIdWithRevisions.typeOf(ThingTag.class),
BatchedEntityIdWithRevisions.deserializer(jsonObject -> ThingTag.fromJson(jsonObject)))
.build();
}
}