/*
* Copyright 2015 dc-square 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.
*/
package com.hivemq.spi.services;
import com.hivemq.spi.annotations.NotNull;
import com.hivemq.spi.annotations.ReadOnly;
import com.hivemq.spi.annotations.ThreadSafe;
import java.util.List;
/**
* A service which allows read, add and remove shared subscriptions.
* <p/>
* All implementations of the SharedSubscriptionService are guaranteed to be thread safe.
*
* @author Dominik Obermaier
* @since 3.0
* @deprecated Since 3.1 Shared subscriptions are created by using a specific marker in the topic.
* Use {@link BlockingSubscriptionStore} or {@link AsyncSubscriptionStore} to create such subscriptions.
* See the HiveMQ documentation about shared subscriptions for more detailed information.
*/
@ThreadSafe
@Deprecated
public interface SharedSubscriptionService {
/**
* Adds shared subscriptions to the SharedSubscriptionService.
* <p/>
* Although the contract of this method is to disallow null values, this method is lenient.
* If <code>null</code> values are passed, these values are ignored.
*
* @param sharedSubscriptions the shared subscriptions to add
* @deprecated Since 3.1 Shared subscriptions are created by using a specific marker in the topic.
* Use {@link BlockingSubscriptionStore} or {@link AsyncSubscriptionStore} to create such subscriptions.
* See the HiveMQ documentation about shared subscriptions for more detailed information.
*/
@Deprecated
void addSharedSubscriptions(@NotNull final String... sharedSubscriptions);
/**
* Returns <code>true</code> if shared subscriptions are available, <code>false</code> otherwise
*
* @return <code>true</code> if shared subscriptions are available, <code>false</code> otherwise
* @deprecated Since 3.1 Shared subscriptions are created by using a specific marker in the topic.
* Use {@link BlockingSubscriptionStore} or {@link AsyncSubscriptionStore} to create such subscriptions.
* See the HiveMQ documentation about shared subscriptions for more detailed information.
*/
@Deprecated
boolean sharedSubscriptionsAvailable();
/**
* Removes a shared subscription from the SharedSubscriptionService.
* <p/>
* Although the contract of this method is to disallow null values, this method is lenient.
* If a <code>null</code> value is passed, the value is ignored.
*
* @param sharedSubscription the shared subscription to remove
* @deprecated Since 3.1 Shared subscriptions are created by using a specific marker in the topic.
* Use {@link BlockingSubscriptionStore} or {@link AsyncSubscriptionStore} to create such subscriptions.
* See the HiveMQ documentation about shared subscriptions for more detailed information.
*/
@Deprecated
void removeSharedSubscription(@NotNull final String sharedSubscription);
/**
* Returns all shared subscriptions. The returned List is read-only representation
* of all shared subscriptions
*
* @return a read-only List of all shared subscriptions
* @deprecated Since 3.1 Shared subscriptions are created by using a specific marker in the topic.
* Use {@link BlockingSubscriptionStore} or {@link AsyncSubscriptionStore} to create such subscriptions.
* See the HiveMQ documentation about shared subscriptions for more detailed information.
*/
@ReadOnly
@Deprecated
List<String> getSharedSubscriptions();
/**
* Returns the number of all shared subscriptions.
*
* @return the number of all shared subscriptions
* @deprecated Since 3.1 Shared subscriptions are created by using a specific marker in the topic.
* Use {@link BlockingSubscriptionStore} or {@link AsyncSubscriptionStore} to create such subscriptions.
* See the HiveMQ documentation about shared subscriptions for more detailed information.
*/
@Deprecated
long getSharedSubscriptionsSize();
}