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/*
 * This file is part of Log4Jdbc.
 *
 * Log4Jdbc is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Log4Jdbc 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Log4Jdbc.  If not, see .
 *
 */
package fr.ms.log4jdbc.thread;

import java.lang.reflect.Method;

import fr.ms.log4jdbc.SqlOperation;
import fr.ms.log4jdbc.message.MessageProcess;
import fr.ms.log4jdbc.utils.Log4JdbcProperties;
import fr.ms.log4jdbc.writer.MessageWriter;

/**
 *
 * @see Marco4J
 *
 *
 * @author Marco Semiao
 *
 */
public class ThreadMessageProcess implements MessageProcess {

    private final MessageProcess messageProcess;

    private final static SingleThreadPoolExecutor executor = SingleThreadPoolExecutor.getInstance();

    private final static Log4JdbcProperties props = Log4JdbcProperties.getInstance();

    public ThreadMessageProcess(final MessageProcess messageProcess) {
	this.messageProcess = messageProcess;
    }

    public MessageWriter newMessageWriter(final SqlOperation message, final Method method, final Object[] args, final Object invoke, final Throwable exception) {
	return messageProcess.newMessageWriter(message, method, args, invoke, exception);
    }

    public void buildLog(final MessageWriter messageWriter, final SqlOperation message, final Method method, final Object[] args, final Object invoke) {
	final Runnable r = new MessageRunnable(messageWriter, message, method, args, invoke);
	executor.execute(r);
    }

    public void buildLog(final MessageWriter messageWriter, final SqlOperation message, final Method method, final Object[] args, final Throwable exception) {
	final Runnable r = new MessageRunnable(messageWriter, message, method, args, exception);
	executor.execute(r);
    }

    private class MessageRunnable implements Runnable {

	private final MessageWriter messageWriter;
	private final SqlOperation message;
	private final Method method;
	private final Object[] args;
	private Object invoke;
	private Throwable exception;

	public MessageRunnable(final MessageWriter messageWriter, final SqlOperation message, final Method method, final Object[] args, final Object invoke) {
	    this.messageWriter = messageWriter;
	    this.message = message;
	    this.method = method;
	    this.args = args;
	    this.invoke = invoke;
	}

	public MessageRunnable(final MessageWriter messageWriter, final SqlOperation message, final Method method, final Object[] args,
		final Throwable exception) {
	    this.messageWriter = messageWriter;
	    this.message = message;
	    this.method = method;
	    this.args = args;
	    this.exception = exception;
	}

	public void run() {
	    if (exception == null) {
		messageProcess.buildLog(messageWriter, message, method, args, invoke);
	    } else {
		messageProcess.buildLog(messageWriter, message, method, args, exception);
	    }
	}
    }
}