BizStatExportDaemon.java

/*
 * Copyright (c) 2002-2020, City of Paris
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  1. Redistributions of source code must retain the above copyright notice
 *     and the following disclaimer.
 *
 *  2. Redistributions in binary form must reproduce the above copyright notice
 *     and the following disclaimer in the documentation and/or other materials
 *     provided with the distribution.
 *
 *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
 *     contributors may be used to endorse or promote products derived from
 *     this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * License 1.0
 */
package fr.paris.lutece.plugins.participatorybudget.deamon;

import java.lang.Thread.State;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.List;

import fr.paris.lutece.plugins.participatorybudget.business.bizstat.BizStatFile;
import fr.paris.lutece.plugins.participatorybudget.business.bizstat.BizStatFileHome;
import fr.paris.lutece.plugins.participatorybudget.service.bizstat.BizStartExportThread;
import fr.paris.lutece.portal.service.daemon.Daemon;

/**
 * Daemon to send notification to users
 */
public class BizStatExportDaemon extends Daemon
{

    private BizStartExportThread _threadExport = null;

    @Override
    public void run( )
    {
        purge( );
        export( );

    }

    // *********************************************************************************************
    // * PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE *
    // * PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE PURGE *
    // *********************************************************************************************

    private void purge( )
    {

        // Get all exports
        List<BizStatFile> files = BizStatFileHome.findAllWithoutBinaryContent( );

        // Calculating beginning of the current day
        Calendar calendar = Calendar.getInstance( );
        calendar.setTimeInMillis( System.currentTimeMillis( ) );
        calendar.set( Calendar.HOUR_OF_DAY, 0 );
        calendar.set( Calendar.MINUTE, 0 );
        calendar.set( Calendar.SECOND, 0 );
        calendar.set( Calendar.MILLISECOND, 0 );
        Timestamp today = new Timestamp( calendar.getTimeInMillis( ) );

        // Purging old ones
        for ( BizStatFile file : files )
        {
            if ( file.getCreationDate( ).before( today ) )
            {
                file.setValue( null );
                file.setStatus( BizStatFile.STATUS_PURGED );
                BizStatFileHome.update( file );
            }
        }

    }

    // *********************************************************************************************
    // * EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPOR *
    // * EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPORT EXPOR *
    // *********************************************************************************************

    private void export( )
    {

        if ( _threadExport == null )
        {
            // Creates a thread if does not exist
            _threadExport = new BizStartExportThread( );
        }
        else
            if ( _threadExport.getState( ) == State.TERMINATED )
            {
                // Creates a new thread
                _threadExport = new BizStartExportThread( );

                // Files stilling in a 'being processed' status are statued as 'error'
                List<BizStatFile> files = BizStatFileHome.findByStatusWithoutBinaryContent( BizStatFile.STATUS_UNDER_TREATMENT );
                for ( BizStatFile file : files )
                {
                    file.setStatus( BizStatFile.STATUT_ERROR );
                    file.setError( "Still 'being processed' while the export daemon was terminated." );
                    BizStatFileHome.update( file );
                }
            }

        if ( _threadExport.getState( ) == State.NEW )
        {
            // Launches the thread if it does not run
            try
            {
                _threadExport.start( );
            }
            catch( Exception e )
            {
                _threadExport.interrupt( );
                _threadExport = null;
            }
        }
    }

}