@Override
public boolean createLink(
Component to, RelToResolve dep, boolean hasConstraints, boolean promotion) {
// Not a relation : a find
if (!dep.isRelation()) {
return true;
}
if (CST.isFinalRelation(dep.getName())) {
logger.error("CreateLink: cannot create predefined relation " + dep.getName());
return false;
}
if ((to == null) || (dep == null)) {
logger.error("CreateLink: Source or target are null ");
return false;
}
if (!promotion && !canSee(to)) {
logger.error("CreateLink: Source " + this + " does not see its target " + to);
return false;
}
if (this.getKind() != dep.getSourceKind()) {
logger.error(
"CreateLink: Source kind "
+ getKind()
+ " is not compatible with relation sourceType "
+ dep.getSourceKind());
return false;
}
if (to.getKind() != dep.getTargetKind()) {
logger.error(
"CreateLink: Target kind "
+ to.getKind()
+ " is not compatible with relation targetType "
+ dep.getTargetKind());
return false;
}
if (hasConstraints && !dep.matchRelationConstraints(to)) {
logger.error("CreateLink: Target does not satisfies the constraints");
return false;
}
String depName = dep.getName();
for (Link link : links) { // check if it already exists
if ((link.getDestination() == to) && link.getName().equals(depName)) {
// It exists, do nothing.
return true;
}
}
// creation
if (!getApformComponent().checkLink(to, depName)) {
logger.error(
"CreateLink: INTERNAL ERROR: link from "
+ this
+ " to "
+ to
+ " could not be created in the real instance.");
return false;
}
Link link = new LinkImpl(this, to, dep, hasConstraints, promotion);
links.add(link);
((ComponentImpl) to).invlinks.add(link);
getApformComponent().setLink(to, depName);
// Notify Dynamic managers that a new link has been created
for (DynamicManager manager : ApamManagers.getDynamicManagers()) {
manager.addedLink(link);
}
return true;
}
@Override
public boolean matchRelationConstraints(RelToResolve dep) {
return dep.matchRelationConstraints(dep.getTargetKind(), this.getAllProperties());
}