it.geosolutions.geobatch.destination.action.datamigration.MigrationAction.java Source code

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Here is the source code for it.geosolutions.geobatch.destination.action.datamigration.MigrationAction.java

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/*
 *  GeoBatch - Open Source geospatial batch processing system
 *  http://geobatch.geo-solutions.it/
 *  Copyright (C) 2013 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.destination.action.datamigration;

import it.geosolutions.filesystemmonitor.monitor.FileSystemEvent;
import it.geosolutions.filesystemmonitor.monitor.FileSystemEventType;
import it.geosolutions.geobatch.actions.ds2ds.dao.FeatureConfiguration;
import it.geosolutions.geobatch.actions.ds2ds.util.FeatureConfigurationUtil;
import it.geosolutions.geobatch.annotations.Action;
import it.geosolutions.geobatch.annotations.CheckConfiguration;
import it.geosolutions.geobatch.destination.datamigration.ProductionUpdater;
import it.geosolutions.geobatch.destination.ingestion.MetadataIngestionHandler;
import it.geosolutions.geobatch.flow.event.ProgressListenerForwarder;
import it.geosolutions.geobatch.flow.event.action.ActionException;
import it.geosolutions.geobatch.flow.event.action.BaseAction;

import java.io.File;
import java.io.IOException;
import java.util.EventObject;
import java.util.LinkedList;
import java.util.Queue;

import org.apache.commons.io.FilenameUtils;
import org.geotools.data.DataStore;
import org.geotools.jdbc.JDBCDataStore;

@Action(configurationClass = MigrationConfiguration.class)
public class MigrationAction extends BaseAction<EventObject> {

    private MigrationConfiguration configuration;

    public MigrationAction(final MigrationConfiguration configuration) throws IOException {
        super(configuration);
        this.configuration = configuration;
    }

    @Override
    @CheckConfiguration
    public boolean checkConfiguration() {
        return true;
    }

    private void checkInit() {
        MigrationConfiguration cfg = getConfiguration();
        if (cfg == null) {
            throw new IllegalStateException("ActionConfig is null.");
        }
    }

    /**
     *
     */
    public Queue<EventObject> execute(Queue<EventObject> events) throws ActionException {

        listenerForwarder.setTask("Check config");
        checkInit();
        final LinkedList<EventObject> ret = new LinkedList<EventObject>();
        try {
            listenerForwarder.started();
            while (!events.isEmpty()) {
                EventObject event = events.poll();
                if (event instanceof FileSystemEvent) {
                    FileSystemEvent fse = (FileSystemEvent) event;
                    File file = fse.getSource();
                    doProcess(configuration, FilenameUtils.getBaseName(file.getName()));
                }

                // pass the feature config to the next action
                ret.add(new FileSystemEvent(((FileSystemEvent) event).getSource(), FileSystemEventType.FILE_ADDED));
            }
            listenerForwarder.completed();
            return ret;
        } catch (Exception t) {
            listenerForwarder.failed(t);
            throw new ActionException(this, t.getMessage(), t);
        }
    }

    private void doProcess(MigrationConfiguration cfg, String typeName) throws ActionException {
        FeatureConfiguration sourceFeature = cfg.getSourceFeature();
        DataStore ds = FeatureConfigurationUtil.createDataStore(sourceFeature);
        if (ds == null) {
            throw new ActionException(this, "Can't find datastore ");
        }
        try {
            if (!(ds instanceof JDBCDataStore)) {
                throw new ActionException(this, "Bad Datastore type " + ds.getClass().getName());
            }
            JDBCDataStore dataStore = (JDBCDataStore) ds;
            dataStore.setExposePrimaryKeyColumns(true);
            MetadataIngestionHandler metadataHandler = new MetadataIngestionHandler(dataStore);
            ProductionUpdater updater = new ProductionUpdater(typeName, listenerForwarder, metadataHandler,
                    dataStore);
            updater.setDs2DsConfiguration(cfg);
            updater.setFilterByTarget(cfg.isFilterByTarget());
            updater.execute(cfg.getClosePhase(), cfg.isNewImport());
        } catch (Exception ex) {
            LOGGER.error("Error in importing arcs", ex);
            throw new ActionException(this, "Error in importing arcs", ex);
        } finally {

        }

    }

}