samples/scenarios/src/main/java/org/apache/edgent/samples/scenarios/iotp/IotpFullScenario.java

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package org.apache.edgent.samples.scenarios.iotp;


import java.io.File;

import org.apache.edgent.connectors.iotp.IotpDevice;
import org.apache.edgent.providers.iot.IotProvider;
import org.apache.edgent.samples.connectors.iotp.IotpSensors;

/**
 * Sample IotProvider scenario using IBM Watson IoT Platform.
 * <BR>
 * IotProvider with three registered applications that
 * are not started but can be started by a a remote
 * application sending device commands through
 * IBM Watson IoT Platform.
 * <P>
 * This is equivalent to the {@link IotpSensors} application
 * but executing as three separate applications using
 * {@link IotProvider} rather than the lower level
 * {@link org.apache.edgent.providers.direct.DirectProvider}.
 * 
 * </P>
 * 
 * @see org.apache.edgent.topology.mbeans.ApplicationServiceMXBean
 * @see <a href="{@docRoot}/org/apache/edgent/topology/mbeans/package-summary.html">org.apache.edgent.topology.mbeans</a>
 */
public class IotpFullScenario {
    
    /**
     * Run the IotpFullScenario application.
     * 
     * Takes a single argument that is the path to the
     * device configuration file containing the connection
     * authentication information.
     * 
     * @param args Must contain the path to the device configuration file.
     * @throws Exception on failure
     * @see IotpDevice#IotpDevice(org.apache.edgent.topology.Topology, File)
     */
    public static void main(String[] args) throws Exception {
        String deviceCfg = args[0];
        
        // Create an IotProvider that will use
        // an IotpDevice as the connectivity to
        // the IBM Watson IoT Platform message hub.
        IotProvider provider = new IotProvider(
                topology -> new IotpDevice(topology, new File(deviceCfg)));
              
        // Register three applications
        registerHeartbeat(provider);       
        registerSensors(provider);
        registerDisplay(provider);
        
        // Start this provider
        // the three applications will not start
        provider.start();
    }
    
    public static void registerHeartbeat(IotProvider provider) {
        provider.registerTopology("Heartbeat",
                (iotDevice,config) -> IotpSensors.heartBeat(iotDevice, true));
    }
    
    public static void registerSensors(IotProvider provider) {
        provider.registerTopology("Sensors",
                (iotDevice,config) -> IotpSensors.simulatedSensors(iotDevice, true));
    }
    public static void registerDisplay(IotProvider provider) {
        provider.registerTopology("Display",
                (iotDevice,config) -> IotpSensors.displayMessages(iotDevice, true));
    }

}