| /* |
| * 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.geode.cache.client.internal; |
| |
| import java.util.Map; |
| |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.distributed.internal.ServerLocation; |
| |
| /** |
| * The endpoint manager keeps track of which servers we are connected to. Other parts of the client |
| * code can register listeners that will be notified about when endpoints are created or died. For |
| * example the connection manager registers a listener to be notified if a server dies and closes |
| * all of it's connections. |
| * |
| */ |
| public interface EndpointManager { |
| /** |
| * Get the endpoint for this server and create it if it does not already exist. This increments |
| * the reference count for the endpoint, so you should call {@link Endpoint#removeReference()} |
| * after the endpoint is no longer in use. |
| */ |
| Endpoint referenceEndpoint(ServerLocation server, DistributedMember memberId); |
| |
| /** |
| * Indicate that a particular server has crashed. All of the listeners will be notified that the |
| * server has crashed. |
| * |
| */ |
| void serverCrashed(Endpoint endpoint); |
| |
| /** |
| * Get the map of all endpoints currently in use. |
| * |
| * @return a map for ServerLocation->Endpoint |
| */ |
| Map<ServerLocation, Endpoint> getEndpointMap(); |
| |
| void close(); |
| |
| /** |
| * Add a listener which will be notified when the state of an endpoint changes. |
| */ |
| void addListener(EndpointManager.EndpointListener listener); |
| |
| /** |
| * Remove a listener. |
| */ |
| void removeListener(EndpointManager.EndpointListener listener); |
| |
| /** |
| * Get the stats for all of the servers we ever connected too. |
| * |
| * @return a map of ServerLocation-> ConnectionStats |
| */ |
| Map<ServerLocation, ConnectionStats> getAllStats(); |
| |
| /** |
| * Test hook that returns the number of servers we currently have connections to. |
| */ |
| int getConnectedServerCount(); |
| |
| interface EndpointListener { |
| |
| void endpointNoLongerInUse(Endpoint endpoint); |
| |
| void endpointCrashed(Endpoint endpoint); |
| |
| void endpointNowInUse(Endpoint endpoint); |
| } |
| |
| class EndpointListenerAdapter implements EndpointListener { |
| |
| @Override |
| public void endpointCrashed(Endpoint endpoint) {} |
| |
| @Override |
| public void endpointNoLongerInUse(Endpoint endpoint) {} |
| |
| @Override |
| public void endpointNowInUse(Endpoint endpoint) {} |
| } |
| |
| String getPoolName(); |
| } |