/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.core.service;
/**
* Marker interface for extension services that provide additional engine or statement-level extensions,
* such as views backed by a write-behind store.
*/
public interface EngineLevelExtensionServicesContext {
/**
* Invoked to initialize extension services after engine services initialization.
*
* @param engine the engine
* @param runtimeSPI runtime SPI
* @param adminSPI admin SPI
*/
public void init(EPServicesContext engine, EPRuntimeSPI runtimeSPI, EPAdministratorSPI adminSPI);
/**
* Invoked to destroy the extension services, when an existing engine is initialized.
*/
public void destroy();
public boolean isHAEnabled();
}