/**
* set the value, update apform and the platform, notify managers and propagates to the members,
* recursively
*
* @param com the component on which ot set the attribute
* @param attr attribute name
* @param value attribute value
*/
private void propagate(String attr, Object value) {
if (value == null) {
return;
}
Object oldValue = get(attr);
if (oldValue != null && oldValue.equals(value.toString())) {
return;
}
// Change value
put(attr, value);
// Notify the execution platform
if (get(attr) == value) {
getApformComponent().setProperty(attr, value.toString());
}
/*
* notify property managers
*/
if (oldValue == null) {
ApamManagers.notifyAttributeAdded(this, attr, value.toString());
} else {
ApamManagers.notifyAttributeChanged(this, attr, value.toString(), oldValue.toString());
}
// Propagate to members recursively
for (Component member : getMembers()) {
((ComponentImpl) member).propagate(attr, value);
}
}
