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ConnectivityMappingStrategies.java
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ConnectivityMappingStrategies.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.connectivity.api;
import java.util.Map;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.base.model.json.Jsonifiable;
import org.eclipse.ditto.base.model.signals.GlobalErrorRegistry;
import org.eclipse.ditto.base.model.signals.JsonParsable;
import org.eclipse.ditto.base.model.signals.commands.GlobalCommandRegistry;
import org.eclipse.ditto.base.model.signals.commands.GlobalCommandResponseRegistry;
import org.eclipse.ditto.base.model.signals.events.GlobalEventRegistry;
import org.eclipse.ditto.connectivity.model.Connection;
import org.eclipse.ditto.connectivity.model.ConnectivityModelFactory;
import org.eclipse.ditto.connectivity.model.ConnectivityStatus;
import org.eclipse.ditto.connectivity.model.ResourceStatus;
import org.eclipse.ditto.internal.models.streaming.BatchedEntityIdWithRevisions;
import org.eclipse.ditto.internal.utils.cluster.MappingStrategies;
import org.eclipse.ditto.internal.utils.cluster.MappingStrategiesBuilder;
import org.eclipse.ditto.policies.api.PoliciesMappingStrategies;
import org.eclipse.ditto.things.api.ThingsMappingStrategies;
/**
* {@link MappingStrategies} for the Connectivity service containing all {@link Jsonifiable} types known to this
* service.
*/
@Immutable
public final class ConnectivityMappingStrategies extends MappingStrategies {
@Nullable private static ConnectivityMappingStrategies instance = null;
private ConnectivityMappingStrategies(final Map<String, JsonParsable<Jsonifiable<?>>> strategies) {
super(strategies);
}
/**
* Constructs a new ConnectivityMappingStrategies object.
*/
@SuppressWarnings("unused") // used via reflection
public ConnectivityMappingStrategies() {
this(getConnectivityMappingStrategies());
}
/**
* Returns an instance of ConnectivityMappingStrategies.
*
* @return the instance.
*/
public static ConnectivityMappingStrategies getInstance() {
ConnectivityMappingStrategies result = instance;
if (null == result) {
result = new ConnectivityMappingStrategies(getConnectivityMappingStrategies());
instance = result;
}
return result;
}
private static MappingStrategies getConnectivityMappingStrategies() {
final MappingStrategies strategies = MappingStrategiesBuilder.newInstance()
.putAll(ThingsMappingStrategies.getInstance())
.putAll(PoliciesMappingStrategies.getInstance())
.add(GlobalCommandRegistry.getInstance())
.add(GlobalCommandResponseRegistry.getInstance())
.add(GlobalEventRegistry.getInstance())
.add(GlobalErrorRegistry.getInstance())
.add(Connection.class, jsonObject -> ConnectivityModelFactory.connectionFromJson(jsonObject)) // do not replace with lambda!
.add("ImmutableConnection", jsonObject -> ConnectivityModelFactory.connectionFromJson(jsonObject)) // do not replace with lambda!
.add(ResourceStatus.class, jsonObject -> ConnectivityModelFactory.resourceStatusFromJson(jsonObject)) // do not replace with lambda!
.add("ImmutableResourceStatus", jsonObject -> ConnectivityModelFactory.resourceStatusFromJson(jsonObject)) // do not replace with lambda!
.add(ConnectivityStatus.class,
jsonObject -> ConnectivityStatus.fromJson(jsonObject)) // do not replace with lambda!
.add(BaseClientState.class,
jsonObject -> BaseClientState.fromJson(jsonObject)) // do not replace with lambda!
.add(ConnectionTag.class,
jsonObject -> ConnectionTag.fromJson(jsonObject)) // do not replace with lambda!
.add(BatchedEntityIdWithRevisions.typeOf(ConnectionTag.class),
BatchedEntityIdWithRevisions.deserializer(jsonObject -> ConnectionTag.fromJson(jsonObject)))
.build();
final MappingStrategies specialStrategies = MappingStrategiesBuilder.newInstance()
.add(OutboundSignal.class,
jsonObject -> OutboundSignalFactory.outboundSignalFromJson(jsonObject, strategies)) // do not replace with lambda!
.add(InboundSignal.class, jsonObject -> InboundSignal.fromJson(jsonObject, strategies))
.add("UnmappedOutboundSignal",
jsonObject -> OutboundSignalFactory.outboundSignalFromJson(jsonObject, strategies))
.build();// do not replace with lambda!
return MappingStrategiesBuilder.newInstance()
.putAll(strategies)
.putAll(specialStrategies)
.build();
}
}