#include "cyclegraph.h"
#include "action.h"
+/** Initializes a CycleGraph object. */
CycleGraph::CycleGraph() {
hasCycles=false;
}
-CycleNode * CycleGraph::getNode(ModelAction * action) {
+CycleGraph::~CycleGraph() {
+}
+
+/** Returns the CycleNode for a given ModelAction. */
+CycleNode * CycleGraph::getNode(const ModelAction * action) {
CycleNode *node=actionToNode.get(action);
if (node==NULL) {
node=new CycleNode(action);
return node;
}
-void CycleGraph::addEdge(ModelAction *from, ModelAction *to) {
+/** Adds an edge between two ModelActions. */
+void CycleGraph::addEdge(const ModelAction *from, const ModelAction *to) {
CycleNode *fromnode=getNode(from);
CycleNode *tonode=getNode(to);
if (!hasCycles) {
// Check for Cycles
- hasCycles=checkReachable(fromnode, tonode);
+ hasCycles=checkReachable(tonode, fromnode);
}
fromnode->addEdge(tonode);
}
+/** Checks whether the first CycleNode can reach the second one. */
bool CycleGraph::checkReachable(CycleNode *from, CycleNode *to) {
std::vector<CycleNode *> queue;
HashTable<CycleNode *, CycleNode *, uintptr_t, 4> discovered;
return false;
}
-CycleNode::CycleNode(ModelAction *modelaction) {
+/** Returns whether a CycleGraph contains cycles. */
+bool CycleGraph::checkForCycles() {
+ return hasCycles;
+}
+
+/** Constructor for a CycleNode. */
+CycleNode::CycleNode(const ModelAction *modelaction) {
action=modelaction;
}
+/** Returns a vector of the edges from a CycleNode. */
std::vector<CycleNode *> * CycleNode::getEdges() {
return &edges;
}
+/** Adds an edge to a CycleNode. */
void CycleNode::addEdge(CycleNode * node) {
edges.push_back(node);
}