/*
 ***************************************************************************************
 *  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.example.servershell.jmx;

import com.espertech.esper.client.EPServiceProvider;
import com.espertech.esper.client.EPStatement;
import com.espertech.esper.client.UpdateListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class EPServiceProviderJMX implements EPServiceProviderJMXMBean {
    private static Logger log = LoggerFactory.getLogger(EPServiceProviderJMX.class);
    private EPServiceProvider engine;

    public EPServiceProviderJMX(EPServiceProvider engine) {
        if (engine == null) {
            throw new IllegalArgumentException("No engine instance supplied");
        }
        this.engine = engine;
    }

    public void createEPL(String expression, String statementName) {
        log.info("Via Java Management JMX proxy: Creating statement '" + expression + "' named '" + statementName + "'");
        engine.getEPAdministrator().createEPL(expression, statementName);
    }

    public void createEPL(String expression, String statementName, UpdateListener listener) {
        log.info("Via Java Management JMX proxy: Creating statement '" + expression + "' named '" + statementName + "'");
        EPStatement stmt = engine.getEPAdministrator().createEPL(expression, statementName);
        stmt.addListener(listener);
    }

    public void destroy(String statementName) {
        log.info("Via Java Management JMX proxy: Destroying statement '" + statementName + "'");
        engine.getEPAdministrator().getStatement(statementName).destroy();
    }
}