X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ff6cb26262ba25fefdf1265628265a75d790ebd6..200986a368bbbbb5df459d43cbc7f5ef3d7678db:/contrib/psg/src/psgsim/NodeHost.java

diff --git a/contrib/psg/src/psgsim/NodeHost.java b/contrib/psg/src/psgsim/NodeHost.java
new file mode 100644
index 0000000000..1dce76fd42
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+++ b/contrib/psg/src/psgsim/NodeHost.java
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+package psgsim;
+
+import org.simgrid.msg.Host;
+import peersim.core.Network;
+import peersim.core.Node;
+
+import java.util.Comparator;
+import java.util.Map;
+import java.util.TreeMap;
+
+/**
+ * 
+ * NodeHost class used to make the mapping Node-Host.
+ * 
+ * @author Khaled Baati 26/10/2014
+ * @version version 1.1
+ */
+public class NodeHost {
+
+	/**
+	 * A collection of map contained the couple (host,node)
+	 */
+	public static TreeMap<Node, Host> mapHostNode = new TreeMap<Node, Host>(
+			new Comparator<Node>() {
+				public int compare(Node n1, Node n2) {
+					return String.valueOf(n1.getID()).compareTo(
+							String.valueOf(n2.getID()));
+				}
+			});
+
+	/**
+	 * The main method to make the mapping Node to Host in the
+	 * {@link #mapHostNode} field
+	 */
+	public static void start() {
+		Host host = null;
+		for (Integer i = 0; i < PSGSimulator.size; i++) {
+			host = PSGPlatform.hostList[i];
+			mapHostNode.put(Network.get(i), host);
+		}
+	}
+
+	/**
+	 * This static method gets a Node instance associated with a host of your
+	 * platform.
+	 * 
+	 * @param host
+	 *            The host associated in your platform.
+	 * @return The node associated.
+	 */
+	public static Node getNode(Host host) {
+		for (Map.Entry<Node, Host> element : mapHostNode.entrySet()) {
+			if (element.getValue() == host)
+				return element.getKey();
+		}
+		return null;
+	}
+
+	/**
+	 * This static method gets a host instance associated with the node of your
+	 * platform.
+	 * 
+	 * @param node
+	 *            The node associated in your platform.
+	 * @return The host associated, else return null (host doesn't exist).
+	 */
+	public static Host getHost(Node node) {
+		for (Map.Entry<Node, Host> element : mapHostNode.entrySet()) {
+			if (element.getKey() == node)
+				return element.getValue();
+		}
+		return null;
+	}
+}