org.apache.activemq.artemis.core.server.group.GroupingHandler Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.activemq.artemis.core.server.group;
import org.apache.activemq.artemis.api.core.SimpleString;
import org.apache.activemq.artemis.core.server.ActiveMQComponent;
import org.apache.activemq.artemis.core.server.group.impl.GroupBinding;
import org.apache.activemq.artemis.core.server.group.impl.Proposal;
import org.apache.activemq.artemis.core.server.group.impl.Response;
import org.apache.activemq.artemis.core.server.management.NotificationListener;
public interface GroupingHandler extends NotificationListener, ActiveMQComponent {
// this method should maintain a WeakHash list, no need to remove the elements
void addListener(UnproposalListener listener);
SimpleString getName();
void resendPending() throws Exception;
Response propose(Proposal proposal) throws Exception;
void proposed(Response response) throws Exception;
void sendProposalResponse(Response response, int distance) throws Exception;
Response receive(Proposal proposal, int distance) throws Exception;
void addGroupBinding(GroupBinding groupBinding);
Response getProposal(SimpleString fullID, boolean touchTime);
void awaitBindings() throws Exception;
/**
* this will force a removal of the group everywhere with an unproposal (dinstance=0).
* This is for the case where a node goes missing
*/
void forceRemove(SimpleString groupid, SimpleString clusterName) throws Exception;
void remove(SimpleString groupid, SimpleString clusterName) throws Exception;
void remove(SimpleString groupid, SimpleString clusterName, int distance) throws Exception;
}