| 1 | package de.uka.ipd.sdq.simucomframework.resources; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Collection; |
| 5 | import java.util.HashMap; |
| 6 | import java.util.Iterator; |
| 7 | import java.util.List; |
| 8 | |
| 9 | import org.apache.log4j.Logger; |
| 10 | |
| 11 | import de.uka.ipd.sdq.scheduler.ISchedulableProcess; |
| 12 | import de.uka.ipd.sdq.simucomframework.SimuComSimProcess; |
| 13 | import de.uka.ipd.sdq.simucomframework.exceptions.ResourceContainerIsMissingRequiredResourceType; |
| 14 | import de.uka.ipd.sdq.simucomframework.model.SimuComModel; |
| 15 | |
| 16 | /** |
| 17 | * Base class for simulated resource container. A resource container corresponds |
| 18 | * to PCM resource container in such that they contain an arbitrary amount |
| 19 | * of active resources |
| 20 | * @author Steffen Becker |
| 21 | * |
| 22 | */ |
| 23 | public abstract class AbstractSimulatedResourceContainer { |
| 24 | |
| 25 | protected static Logger logger = |
| 26 | Logger.getLogger(AbstractSimulatedResourceContainer.class.getName()); |
| 27 | protected SimuComModel myModel = null; |
| 28 | protected String myContainerID = null; |
| 29 | |
| 30 | // TODO: Multiple Resources with Scheduler |
| 31 | protected HashMap<String, AbstractScheduledResource> activeResources = new HashMap<String, AbstractScheduledResource>(); |
| 32 | |
| 33 | // Resources can also be lookup by the provided resource interface id |
| 34 | protected HashMap<String, String> activeResourceProvidedInterfaces = new HashMap<String, String>(); |
| 35 | |
| 36 | public AbstractSimulatedResourceContainer(SimuComModel myModel, String myContainerID) { |
| 37 | super(); |
| 38 | this.myModel = myModel; |
| 39 | this.myContainerID = myContainerID; |
| 40 | logger.info("Simulated Resource Container created. ContainerID "+myContainerID); |
| 41 | } |
| 42 | |
| 43 | /** |
| 44 | * Demand processing of a resource demand by a given type of active resources |
| 45 | * In future versions this has to control schedulers of resource types which |
| 46 | * exist in multiple instances |
| 47 | * @param requestingProcess The thread requesting the processing of a resouce demand |
| 48 | * @param typeID ID of the resource type to which the demand is directed. Same as the |
| 49 | * PCM resource type IDs |
| 50 | * @param demand The demand in units processable by the resource. The resource is |
| 51 | * responsible itself for converting this demand into time spans |
| 52 | */ |
| 53 | public void loadActiveResource(SimuComSimProcess requestingProcess, String typeID, double demand) { |
| 54 | AbstractScheduledResource resource = activeResources.get(typeID); |
| 55 | if (resource == null) { |
| 56 | throw new ResourceContainerIsMissingRequiredResourceType(typeID); |
| 57 | } |
| 58 | resource.consumeResource(requestingProcess, 1, demand); |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Demand processing of a resource demand by a given type of active resource and a resource interface operation |
| 63 | * @param requestingProcess The thread requesting the processing of a resource demand |
| 64 | * @param typeID ID of the resource provided interface to which the demand is directed. |
| 65 | * @param resourceServiceID the id of the resource service to be called. |
| 66 | * @param demand The demand in units processable by the resource. The resource is |
| 67 | * responsible itself for converting this demand into time spans |
| 68 | */ |
| 69 | public void loadActiveResource(SimuComSimProcess requestingProcess, String providedInterfaceID, int resourceServiceID, double demand) { |
| 70 | AbstractScheduledResource resource = null; |
| 71 | String typeID = activeResourceProvidedInterfaces.get(providedInterfaceID); |
| 72 | if (typeID != null) { |
| 73 | resource = activeResources.get(typeID); |
| 74 | } |
| 75 | if (resource == null) { |
| 76 | throw new ResourceContainerIsMissingRequiredResourceType(typeID); |
| 77 | } |
| 78 | resource.consumeResource(requestingProcess, resourceServiceID, demand); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Retrieves all active resources in this resource container. |
| 83 | * @return all active resources |
| 84 | */ |
| 85 | public Collection<AbstractScheduledResource> getActiveResources() { |
| 86 | return activeResources.values(); |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Retrieves the HashMap with all all active resources in this resource container. |
| 91 | * @return all active resources |
| 92 | */ |
| 93 | public HashMap<String, AbstractScheduledResource> getAllActiveResources() { |
| 94 | return activeResources; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Retrieves all active resources in this resource container which are currently unavailable. |
| 99 | * @return all unavailable active resources |
| 100 | */ |
| 101 | public List<AbstractScheduledResource> getFailedResources() { |
| 102 | List<AbstractScheduledResource> resultList = new ArrayList<AbstractScheduledResource>(); |
| 103 | Iterator<AbstractScheduledResource> iterator = getActiveResources().iterator(); |
| 104 | while(iterator.hasNext()){ |
| 105 | AbstractScheduledResource resource = iterator.next(); |
| 106 | if(!resource.isAvailable() && resource.isRequiredByContainer()){ |
| 107 | resultList.add(resource); |
| 108 | } |
| 109 | } |
| 110 | return resultList; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * @return The ID of the resource container itself |
| 115 | */ |
| 116 | public String getResourceContainerID() { |
| 117 | return myContainerID; |
| 118 | } |
| 119 | |
| 120 | } |