org.rifidi.edge.adapter.alien.AlienGPIOService.java Source code

Introduction

Here is the source code for org.rifidi.edge.adapter.alien.AlienGPIOService.java

Source

/*******************************************************************************
 * Copyright (c) 2014 Transcends, LLC.
 * 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 2 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, 
 * write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 
 * USA. 
 * http://www.gnu.org/licenses/gpl-2.0.html
 *******************************************************************************/
package org.rifidi.edge.adapter.alien;

import java.util.BitSet;
import java.util.Collection;
import java.util.Set;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rifidi.edge.sensors.AbstractGPIOService;
import org.rifidi.edge.sensors.CannotExecuteException;

/**
 * This class is a service that lets applications access the GPIO functionality
 * of registered Alien readers. It should be registered with a service property
 * called 'reader' with a value of 'Alien'
 * 
 * @author Kyle Neumeier - kyle@pramari.com
 * 
 */
public class AlienGPIOService extends AbstractGPIOService<Alien9800ReaderSession> {

    private static final Log logger = LogFactory.getLog(AlienGPIOService.class);

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.rifidi.edge.sensors.sessions.interfaces.AbstractGPIOService#
     * setGPO(java.lang.String, java.util.Collection)
     */
    @Override
    public void setGPO(String readerID, Collection<Integer> ports) throws CannotExecuteException {
        Alien9800ReaderSession session = getSession(readerID);
        BitSet bits = new BitSet(8);
        for (Integer port : ports) {
            bits.set(port);
        }
        logger.info("Setting GPO on " + readerID + " Ports: " + ports);
        session.setOutputPort(bits);

    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.rifidi.edge.sensors.sessions.interfaces.AbstractGPIOService#
     * flashGPO(java.lang.String, int, java.util.Set)
     */
    @Override
    public void flashGPO(String readerID, int flashTime, Set<Integer> ports) throws CannotExecuteException {
        Alien9800ReaderSession session = getSession(readerID);
        BitSet bits = new BitSet(8);
        for (Integer port : ports) {
            bits.set(port);
        }
        logger.info("Flashing GPO on " + readerID + " Ports: " + ports + " for " + flashTime + " seconds");
        session.flashOutput(bits, new BitSet(), flashTime, 0, 1);

    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * org.rifidi.edge.sensors.management.AbstractGPIOService#testGPI(java
     * .lang.String, int)
     */
    @Override
    public boolean testGPI(String readerID, int port) throws CannotExecuteException {
        Alien9800ReaderSession session = getSession(readerID);
        return session.testInputPort(port);
    }

}