ajout des fonctions isValid et tempsMin

be-graphes-model/src/main/java/org/insa/graphs/model/Path.java

@@ -198,12 +198,39 @@ public class Path {
      * 
      * @return true if the path is valid, false otherwise.
      * 
-     * @deprecated Need to be implemented.
      */
     public boolean isValid() {
-        // TODO:
+    	Arc old = null;
+        // it is empty
+    	if (this.isEmpty()) {
+    		return true;
+    	}
+    	// Origin is ok
+    	if ((this.origin != null) && (this.arcs.size() == 0)) {
+    		return true;
+    	}
+    	if (this.arcs.size() == 0) {
     		return false;
     	}
+    	// destination of the first one is the origin of the second node
+    	if (this.arcs.get(0).getOrigin() == this.origin) {
+    		for (Arc a : this.arcs) {
+    			if (this.arcs.get(0) == a) {
+    				old = this.arcs.get(0);
+    			}
+    			else if (old.getDestination() == a.getOrigin()) {
+    				old = a;
+    			}
+    			else {
+    				return false;
+    			}
+    		}
+    		return true;
+    	}
+    	else {
+    		return false;
+    	}
+    }
 
     /**
      * Compute the length of this path (in meters).
@@ -213,7 +240,7 @@ public class Path {
      */
     public float getLength() {
     	float acc = 0;
-    	for (Arc l : arcs) {
+    	for (Arc l : this.arcs) {
     		acc += l.getLength();
     	}
 
@@ -240,11 +267,13 @@ public class Path {
      * 
      * @return Minimum travel time to travel this path (in seconds).
      * 
-     * @deprecated Need to be implemented.
      */
     public double getMinimumTravelTime() {
-        // TODO:
+    	float acc = 0;
-        return 0;
+    	for (Arc l : this.arcs) {
+    		acc += l.getMinimumTravelTime();
+    	}
+        return acc;
     }
 
 }