org.tango.server.build.InitBuilder Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of JTangoServer Show documentation

Library for Tango Server (ie. Tango Device) in Java

There is a newer version: 10.0.0

/**
 * Copyright (C) :     2012
 *
 * 	Synchrotron Soleil
 * 	L'Orme des merisiers
 * 	Saint Aubin
 * 	BP48
 * 	91192 GIF-SUR-YVETTE CEDEX
 *
 * This file is part of Tango.
 *
 * Tango is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Tango 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Tango.  If not, see .
 */
package org.tango.server.build;

import java.lang.reflect.Method;
import java.lang.reflect.Modifier;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.ext.XLogger;
import org.slf4j.ext.XLoggerFactory;
import org.tango.server.annotation.Init;
import org.tango.server.device.InitImpl;
import org.tango.server.servant.DeviceImpl;
import org.tango.utils.DevFailedUtils;

import fr.esrf.Tango.DevFailed;

/**
 * Build a {@link Init}
 * 
 * @author ABEILLE
 * 
 */
final class InitBuilder {

    private final Logger logger = LoggerFactory.getLogger(InitBuilder.class);
    private final XLogger xlogger = XLoggerFactory.getXLogger(InitBuilder.class);

    public void build(final Method method, final DeviceImpl device, final Object businessObject) throws DevFailed {
        xlogger.entry();
        logger.debug("Has an init method: {}", method.getName());

        if (method.getParameterTypes().length != 0 && method.getReturnType() != void.class) {
            DevFailedUtils.throwDevFailed(DevFailedUtils.TANGO_BUILD_FAILED, method + " must not be void void");
        }
        if (Modifier.isStatic(method.getModifiers())) {
            DevFailedUtils.throwDevFailed(DevFailedUtils.TANGO_BUILD_FAILED, method + " must not be static");
        }
        final Init annot = method.getAnnotation(Init.class);
        final InitImpl init = device.buildInit(method, annot.lazyLoading());
        BuilderUtils.setStateMachine(method, init);
        xlogger.exit();
    }

}