/
GatewayMappingStrategy.java
executable file
·91 lines (76 loc) · 3.98 KB
/
GatewayMappingStrategy.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.gateway.starter.service.util;
import java.util.HashMap;
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.services.gateway.streaming.StreamingAck;
import org.eclipse.ditto.services.models.connectivity.ConnectivityMappingStrategy;
import org.eclipse.ditto.services.models.policies.PoliciesMappingStrategy;
import org.eclipse.ditto.services.models.things.ThingsMappingStrategy;
import org.eclipse.ditto.services.models.thingsearch.ThingSearchMappingStrategy;
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.devops.DevOpsCommandResponseRegistry;
import org.eclipse.ditto.signals.commands.messages.MessageCommandResponseRegistry;
import org.eclipse.ditto.signals.commands.namespaces.NamespaceCommandResponseRegistry;
/**
* {@link MappingStrategy} for the Gateway service containing all {@link Jsonifiable} types known to Gateway.
*/
public final class GatewayMappingStrategy implements MappingStrategy {
private final PoliciesMappingStrategy policiesMappingStrategy;
private final ThingsMappingStrategy thingsMappingStrategy;
private final ConnectivityMappingStrategy connectivityMappingStrategy;
private final ThingSearchMappingStrategy thingSearchMappingStrategy;
/**
* Constructs a new {@code GatewayMappingStrategy} object.
*/
public GatewayMappingStrategy() {
policiesMappingStrategy = new PoliciesMappingStrategy();
thingsMappingStrategy = new ThingsMappingStrategy();
connectivityMappingStrategy = new ConnectivityMappingStrategy(thingsMappingStrategy);
thingSearchMappingStrategy = new ThingSearchMappingStrategy();
}
@Override
public Map<String, BiFunction<JsonObject, DittoHeaders, Jsonifiable>> determineStrategy() {
final Map<String, BiFunction<JsonObject, DittoHeaders, Jsonifiable>> combinedStrategy = new HashMap<>();
combinedStrategy.putAll(policiesMappingStrategy.determineStrategy());
combinedStrategy.putAll(thingSearchMappingStrategy.determineStrategy());
combinedStrategy.putAll(connectivityMappingStrategy.determineStrategy());
combinedStrategy.putAll(thingsMappingStrategy.determineStrategy());
final MappingStrategiesBuilder builder = MappingStrategiesBuilder.newInstance();
builder.add(StreamingAck.class,
jsonObject -> StreamingAck.fromJson(jsonObject)); // do not replace with lambda!
builder.add(GlobalErrorRegistry.getInstance());
builder.add(GlobalCommandRegistry.getInstance());
addMessagesStrategies(builder);
addDevOpsStrategies(builder);
addNamespacesStrategies(builder);
combinedStrategy.putAll(builder.build());
return combinedStrategy;
}
private static void addMessagesStrategies(final MappingStrategiesBuilder builder) {
builder.add(MessageCommandResponseRegistry.newInstance());
}
private static void addDevOpsStrategies(final MappingStrategiesBuilder builder) {
builder.add(DevOpsCommandResponseRegistry.newInstance());
}
private static void addNamespacesStrategies(final MappingStrategiesBuilder builder) {
builder.add(NamespaceCommandResponseRegistry.getInstance());
}
}