| 1 | package de.uka.ipd.sdq.prototype.framework; |
| 2 | import java.util.Collection; |
| 3 | import java.util.HashMap; |
| 4 | import java.util.LinkedList; |
| 5 | import java.util.Map; |
| 6 | import java.util.Map.Entry; |
| 7 | |
| 8 | /** |
| 9 | * Manages the sets of container ID, name and allocated components |
| 10 | * |
| 11 | * @author zolynski |
| 12 | */ |
| 13 | public abstract class AbstractAllocationStorage |
| 14 | { |
| 15 | protected static AbstractAllocationStorage singleton; |
| 16 | |
| 17 | private static Map<String, String> containerIdToName = new HashMap<String, String>(); |
| 18 | private static HashMap<String, Collection<Class<?>>> containerIdToComponents = new HashMap<String, Collection<Class<?>>>(); |
| 19 | |
| 20 | private static String activeContainer; |
| 21 | private static boolean localMode = false; |
| 22 | |
| 23 | /** |
| 24 | * Stores a tuple of container ID, name and one component |
| 25 | * |
| 26 | * @param containerId key, can be used multiple times |
| 27 | * @param containerName value |
| 28 | * @param component value |
| 29 | */ |
| 30 | protected static void saveContainerComponent(String containerId, String containerName, Class<?> component) |
| 31 | { |
| 32 | if (!containerIdToName.containsKey(containerId)) { |
| 33 | containerIdToName.put(containerId, containerName); |
| 34 | containerIdToComponents.put(containerId, new LinkedList<Class<?>>()); |
| 35 | } |
| 36 | |
| 37 | containerIdToComponents.get(containerId).add(component); |
| 38 | } |
| 39 | |
| 40 | public static String getContainerName(String containerId) |
| 41 | { |
| 42 | return containerIdToName.get(containerId); |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * FIXME: Possible source of errors if two container have the same name? |
| 47 | * |
| 48 | * @param container |
| 49 | * @return |
| 50 | */ |
| 51 | public static String getContainerID(String container) |
| 52 | { |
| 53 | for (Entry<String, String> entry : containerIdToName.entrySet()) { |
| 54 | if (entry.getValue().equals(container)) { |
| 55 | return entry.getKey(); |
| 56 | } |
| 57 | } |
| 58 | return null; |
| 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Returns a set of all container ids |
| 63 | * |
| 64 | * @return Set of container ids |
| 65 | */ |
| 66 | public static Collection<String> getContainerIds() |
| 67 | { |
| 68 | return containerIdToName.keySet(); |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Returns a set of all container names |
| 73 | * |
| 74 | * @return Set of container names |
| 75 | */ |
| 76 | public static Collection<String> getContainerNames() |
| 77 | { |
| 78 | return containerIdToName.values(); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Returns a collection of components to a given container id |
| 83 | * |
| 84 | * @param containerId |
| 85 | * @return collection of components |
| 86 | */ |
| 87 | public static Collection<Class<?>> getComponents(String containerId) |
| 88 | { |
| 89 | return containerIdToComponents.get(containerId); |
| 90 | } |
| 91 | |
| 92 | protected abstract void initContainerTemplate(); |
| 93 | |
| 94 | public static void initContainer() { |
| 95 | singleton.initContainerTemplate(); |
| 96 | } |
| 97 | |
| 98 | public static void initSingleton(AbstractAllocationStorage instance) { |
| 99 | singleton = instance; |
| 100 | } |
| 101 | |
| 102 | public static void setActiveContainer(String containerId) { |
| 103 | activeContainer = containerId; |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Returns the container of this current component. |
| 108 | * FIXME: Also returns the FIRST container if local mode is active, since |
| 109 | * no container has been (and can not be) chosen for this hardware node. |
| 110 | * @return |
| 111 | */ |
| 112 | public static String getActiveContainer() { |
| 113 | if (!localMode) { |
| 114 | return activeContainer; |
| 115 | } else { |
| 116 | return containerIdToName.entrySet().iterator().next().getKey(); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | public static void setLocalMode(boolean localMode) { |
| 121 | AbstractAllocationStorage.localMode = localMode; |
| 122 | } |
| 123 | |
| 124 | public static boolean isLocalMode() { |
| 125 | return localMode; |
| 126 | } |
| 127 | |
| 128 | |
| 129 | |
| 130 | } |