/*
 *  Copyright (c) 2005-2011, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *  WSO2 Inc. licenses this file to you under the Apache License,
 *  Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 *
 */

package org.wso2.carbon.dataservices.sql.driver.internal;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.framework.BundleContext;
import org.osgi.service.component.ComponentContext;
import org.wso2.carbon.registry.core.service.RegistryService;

/**
* @scr.component name="org.wso2.carbon.dataservices.sql.driver" immediate="true"
* @scr.reference name="registry.service" interface="org.wso2.carbon.registry.core.service.RegistryService"
* cardinality="1..1" policy="dynamic"  bind="setRegistryService" unbind="unsetRegistryService"
*/
public class SQLDriverDSComponent {

    private static Log log = LogFactory.getLog(SQLDriverDSComponent.class);

    private static RegistryService registryService = null;

    public SQLDriverDSComponent() {
    }

    protected void activate(ComponentContext ctxt) {
    try {
            BundleContext bundleContext = ctxt.getBundleContext();
            log.debug("SQL driver bundle is activated ");
        } catch (Throwable e) {
            log.error(e.getMessage(), e);
            /* don't throw exception */
        }
    }

    protected void deactivate(ComponentContext ctxt) {
        log.debug("SQL driver bundle is deactivated ");
    }

    protected void setRegistryService(RegistryService registryService) {
        if (log.isDebugEnabled()) {
            log.debug("Setting the Registry Service");
        }
        SQLDriverDSComponent.registryService = registryService;
    }

    protected void unsetRegistryService(RegistryService registryService) {
        if (log.isDebugEnabled()) {
            log.debug("Unsetting the Registry Service");
        }
        SQLDriverDSComponent.registryService = null;
    }

    public static RegistryService getRegistryService() {
        return registryService;
    }
}