TDMAScheduler: Fix infinite message duration if bandwidth == 0

* Instead a zero duration is assumed for this degenerate case.

Signed-off-by: Alexander Diewald <diewald@fortiss.org>

org.fortiss.af3.exploration.alg/src/org/fortiss/af3/exploration/alg/dse/sysmodel/arch/.ratings

-ICommunicationResourceAdapter.java c478971e8ed09b1e10413129cdf094d4a31d69ac RED
+ICommunicationResourceAdapter.java 819d03833e26df1dcb17a3dd79906d19e132cf85 RED
 IComponentAdapter.java 8c510669aa5b1c48bb8f2fad8a48aa26b63e0b4c RED
 IExecutionUnitAdapter.java ba7879d3ca7045ce0a780a07774e266c47c9fbbb RED
 IGatewayUnitAdapter.java bf2b7d6f33c1874680958097f2c5bb3d205b0860 RED

org.fortiss.af3.exploration.alg/src/org/fortiss/af3/exploration/alg/dse/sysmodel/arch/ICommunicationResourceAdapter.java

@@ -26,8 +26,8 @@ public interface ICommunicationResourceAdapter extends IResourceAdapter {
 	public double getPower(long messageSizeInBits);
 
 	/**
-	 * Returns the duration of a transmission of a given number of MB via this
+	 * Returns the duration of a transmission of a given number of bits via this
 	 * {@link ITransmissionUnitAdapter}.
 	 */
-	double getTransmissionDuration(double messageSizeMB);
+	double getTransmissionDuration(long messageSizeMB);
 }

org.fortiss.af3.exploration.alg/src/org/fortiss/af3/exploration/alg/dse/sysmodel/arch/af3/.ratings

 AF3ComponentAdapter.java 1ac45531defaa21151fd2210f2ce40d45945aaf6 RED
 AF3ExecutionUnitAdapter.java 3f430bb010b8779ca44c1772d839618e98cf74c4 RED
-AF3GatewayAdapter.java 5769b7b1fb706c3c78104029a433b28ae22a3fde RED
+AF3GatewayAdapter.java 5e7728182f5ec1b1ac1a1f955a8dd3b87245635a RED
 AF3MemAccessTask.java 9847d8d4d2717daf19a51af2b43e9f2585e3577c RED
 AF3MemoryUnitAdapter.java cbd6d2cacec27413b73208d116c506a84e6f22e5 RED
 AF3ModelElementAdapter.java 849ca79f644a7571b0d45f8ca619efda49c0bf2d RED
 AF3RequestAdapter.java 85b2811a0251cfc1f49637c7d26b547de7c77043 RED
 AF3ResourceAdapter.java a4679a59cfe897a37e4410e6b9a48fb4d214f5eb RED
 AF3ResourceConnectionAdapter.java 8741ce49893c49ac9d2ae1b8feb0fde440a71092 RED
-AF3SignalAdapter.java c06b7eb4bc0b3036d3d1b8d9fd42391e33513214 RED
+AF3SignalAdapter.java e2674f6afac65ee55e294f3c9cde8603526bd9fc RED
 AF3SystemModelAdapter.java e391d3bb2c075660309944dd0149cd9ec2f314ad RED
 AF3TaskAdapter.java b9bfac1fb9d4199eb51a07138f1311816f117719 RED
-AF3TransmissionUnitAdapter.java ddf19d48805623248a260facd4fc00baef2c62ad RED
+AF3TransmissionUnitAdapter.java c0dd39ec7f71ffe3f7565591b3f016846349a943 RED

org.fortiss.af3.exploration.alg/src/org/fortiss/af3/exploration/alg/dse/sysmodel/arch/af3/AF3GatewayAdapter.java

@@ -66,7 +66,7 @@ public class AF3GatewayAdapter extends AF3ResourceAdapter<GatewayUnit>
 
 	/** {@inheritDoc} */
 	@Override
-	public double getTransmissionDuration(double messageSizeMB) {
+	public double getTransmissionDuration(long messageSizeBits) {
 		// TODO Auto-generated method stub
 		return 0;
 	}

org.fortiss.af3.exploration.alg/src/org/fortiss/af3/exploration/alg/dse/sysmodel/arch/af3/AF3SignalAdapter.java

@@ -35,9 +35,6 @@ import org.fortiss.af3.task.model.TaskOutputPort;
  * @author barner
  */
 public class AF3SignalAdapter extends AF3RequestAdapter<TaskOutputPort> implements ISignalAdapter {
-	/** Conversion constant for the message size. */
-	private static final double MBITS_TO_BITS = 1e6;
-
 	/** Message's source component */
 	private ITaskAdapter source;
 
@@ -104,7 +101,7 @@ public class AF3SignalAdapter extends AF3RequestAdapter<TaskOutputPort> implemen
 	/** {@inheritDoc} */
 	@Override
 	public double getTransmissionTime(ITransmissionUnitAdapter transmissionUnit) {
-		return transmissionUnit.getTransmissionDuration(messageSize / MBITS_TO_BITS);
+		return transmissionUnit.getTransmissionDuration(messageSize);
 	}
 
 	/** {@inheritDoc} */

org.fortiss.af3.exploration.alg/src/org/fortiss/af3/exploration/alg/dse/sysmodel/arch/af3/AF3TransmissionUnitAdapter.java

@@ -78,9 +78,8 @@ public class AF3TransmissionUnitAdapter extends AF3ResourceAdapter<TransmissionU
 
 	/** {@inheritDoc} */
 	@Override
-	public double getTransmissionDuration(double messageSizeBits) {
-
-		return (transmissionUnitBandwidth != null)
+	public double getTransmissionDuration(long messageSizeBits) {
+		return (transmissionUnitBandwidth > 0.0)
 				? ((messageSizeBits / transmissionUnitBandwidth) * MBITS_TO_BITS) : 0;
 	}
 }

org.fortiss.af3.exploration.alg/src/org/fortiss/af3/exploration/alg/feature/scheduling/scheduler/.ratings

 EDFScheduler.java 693150daf9e46ee095e2b61d6a2356530f2f14e7 YELLOW
 EDFSchedulerBase.java 23dc034b56b2c2426da9bf3cd520871fb2f1bb5d RED
 SchedulerBase.java 243ad1db8f9fcf06c0113e9b1c4b92345d2e3414 RED
-TDMABusScheduler.java ca798991165e0ffae22e675d56b06c6fefd7fe61 RED
+TDMABusScheduler.java c5b81ba1f1f4f9d69ee75713f834bf057069ded2 RED

org.fortiss.af3.exploration.alg/src/org/fortiss/af3/exploration/alg/feature/scheduling/scheduler/TDMABusScheduler.java

@@ -410,7 +410,6 @@ public class TDMABusScheduler extends SchedulerBase {
 			ICommunicationResourceAdapter communicationResource) {
 		// final double minTransmissionDuration = 0.1;
 		// Constant used for bit->MByte transformation.
-		final double bitsPerMBit = 10e6;
 		double messageStartTime = message.getSenderTimeSlot().getEndTime();
 
 		// Determine the time required for the transmission of the message. A minimal transmission
@@ -418,7 +417,7 @@ public class TDMABusScheduler extends SchedulerBase {
 		double resourceWCTT = 0.0;
 		if(communicationResource instanceof ITransmissionUnitAdapter) {
 			resourceWCTT = ((ITransmissionUnitAdapter)communicationResource)
-					.getTransmissionDuration(message.getMessageSize() / bitsPerMBit);
+					.getTransmissionDuration(message.getMessageSize());
 		} else if(communicationResource instanceof IGatewayUnitAdapter) {
 			resourceWCTT = ((IGatewayUnitAdapter)communicationResource).getWCFT();
 		}