it.geosolutions.geobatch.global.CatalogHolder.java Source code

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Here is the source code for it.geosolutions.geobatch.global.CatalogHolder.java

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/*
 *  GeoBatch - Open Source geospatial batch processing system
 *  http://geobatch.geo-solutions.it/
 *  Copyright (C) 2007-2012 GeoSolutions S.A.S.
 *  http://www.geo-solutions.it
 *
 *  GPLv3 + Classpath exception
 *
 *  This program 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.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package it.geosolutions.geobatch.global;

import it.geosolutions.geobatch.catalog.Catalog;
import it.geosolutions.geobatch.flow.FlowManager;
import it.geosolutions.geobatch.settings.GBSettingsCatalog;

import java.util.List;

import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.event.ContextClosedEvent;
import org.springframework.context.event.ContextStoppedEvent;

/**
 * @author Alessio Fabiani, GeoSolutions
 * @author Carlo Cancellieri, GeoSolutions
 * 
 */
public abstract class CatalogHolder implements ApplicationListener<ApplicationEvent> {
    private static Catalog catalog;

    private static GBSettingsCatalog settingsCatalog;

    /**
     * Dispose all the handled flow managers on container stop/shutdown
     */
    @Override
    public void onApplicationEvent(ApplicationEvent event) {
        if (event.getClass().isAssignableFrom(ContextClosedEvent.class)
                || event.getClass().isAssignableFrom(ContextStoppedEvent.class)) {
            List<FlowManager> fms = getCatalog().getFlowManagers(FlowManager.class);
            for (FlowManager fm : fms) {
                fm.dispose();
            }
        }
    }

    public synchronized static Catalog getCatalog() {
        return catalog;
    }

    protected synchronized static void setCatalog(Catalog catalog) {
        CatalogHolder.catalog = catalog;
    }

    public static GBSettingsCatalog getSettingsCatalog() {
        return settingsCatalog;
    }

    protected void setSettingsCatalog(GBSettingsCatalog settingsCatalog) {
        CatalogHolder.settingsCatalog = settingsCatalog;
    }

}