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LoadBalancingPlugin.java
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LoadBalancingPlugin.java
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/*
* Copyright (c) 2002-2017 "Neo Technology,"
* Network Engine for Objects in Lund AB [http://neotechnology.com]
*
* This file is part of Neo4j.
*
* Neo4j is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.neo4j.causalclustering.load_balancing;
import java.util.List;
import java.util.Map;
/**
* Defines the interface for an implementation of the GetServersV2
* cluster discovery and load balancing procedure.
*/
public interface LoadBalancingPlugin
{
interface Result
{
/**
* @return The time-to-live of the returned result.
*/
long getTimeToLiveMillis();
/**
* @return List of ROUTE-capable endpoints.
*/
List<Endpoint> routeEndpoints();
/**
* @return List of WRITE-capable endpoints.
*/
List<Endpoint> writeEndpoints();
/**
* @return List of READ-capable endpoints.
*/
List<Endpoint> readEndpoints();
}
/**
* Runs the procedure using the supplied client context
* and returns the result.
*
* @param context The client supplied context.
* @return The result of invoking the procedure.
*/
Result run( Map<String,String> context );
}