<commit_before>/*
 * #%L
 * %%
 * Copyright (C) 2019 BMW Car IT GmbH
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package io.joynr.messaging;

/**
 * An interface for bookkeeping of multicast receivers
 */
public interface MulticastReceiverRegistrar {
    void addMulticastReceiver(String multicastId, String subscriberParticipantId, String providerParticipantId);<commit_msg>[Java] Improve description of MulticastReceiverRegistrar<commit_after>/*
 * #%L
 * %%
 * Copyright (C) 2019 BMW Car IT GmbH
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package io.joynr.messaging;

/**
 * An interface for bookkeeping of multicast receivers
 * {@link io.joynr.messaging.routing.MulticastReceiverRegistry} maintains mappings of the receivers' participant IDs to the multicast IDs they subscribe to.
 * Whereas {@link MulticastReceiverRegistrar} delegates to implementations of {@link io.joynr.messaging.routing.MulticastReceiverRegistry} and also triggers the subscription operation.
 */
public interface MulticastReceiverRegistrar {
    void addMulticastReceiver(String multicastId, String subscriberParticipantId, String providerParticipantId);
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