public void buildTransitionTree() throws Exception {
A2AConfiguration config = (A2AConfiguration) init.getConfiguration();
C2CBubble context = init.getContext();
if (config.isUnderspecified() && context == null)
throw new A2AException("A2AConfiguration is underspecified");
if (config.fixedLHSFocusAttribute() && config.fixedRHSFocusAttribute()) {
Element _lhsFocusAttribute = config.getRoleElement(Roles.lhsFocusAttribute);
Element _rhsFocusAttribute = config.getRoleElement(Roles.rhsFocusAttribute);
this.configIt = new A2AConfigurationIterator();
this.configIt.setDOMView(this.domView);
this.configIt.setLHSFocusAttribute(_lhsFocusAttribute);
this.configIt.setRHSFocusAttribute(_rhsFocusAttribute);
this.configIt.setType(TYPE.allFixed);
} else if (config.fixedLHSFocusAttribute()) {
Element _lhsFocusAttribute = config.getRoleElement(Roles.lhsFocusAttribute);
this.configIt = new A2AConfigurationIterator();
this.configIt.setDOMView(this.domView);
this.configIt.setLHSFocusAttribute(_lhsFocusAttribute);
this.configIt.setType(TYPE.lhsFocusAttributeFixed);
} else if (config.fixedRHSFocusAttribute()) {
Element _rhsFocusAttribute = config.getRoleElement(Roles.rhsFocusAttribute);
this.configIt = new A2AConfigurationIterator();
this.configIt.setDOMView(this.domView);
this.configIt.setRHSFocusAttribute(_rhsFocusAttribute);
this.configIt.setType(TYPE.rhsFocusAttributeFixed);
} else if (context != null) {
this.configIt = new A2AConfigurationIterator();
this.configIt.setDOMView(this.domView);
this.configIt.setContext(context);
this.configIt.setType(TYPE.contextFixed);
} else {
throw new Exception(
"Initial configuration is underspecified. At least the LHS "
+ "or the RHS focus attribute or the C2C-context must be fixed");
}
}
/**
* Returns if the given configuration contains a blacklisted element in role.
*
* @param _config
* @param b
* @return
*/
public boolean filter(A2AConfiguration _config, A2ABubble b) {
// filter configurations that contain a blacklisted role element
Set<Entry<Role<A2A>, Element>> entries = _config.getRoles().entrySet();
for (Entry<Role<A2A>, Element> entry : entries) {
Role<A2A> r = entry.getKey();
Element e = entry.getValue();
if (b.getConfiguration().blacklistContains(r, e)) {
logger.debug(
"Filtering: A2A-Configuration contains blacklisted element "
+ e.getName()
+ " in role "
+ r);
return true;
}
}
return false;
}