/**
* Add a role info. This method of course should not be used after the creation of the relation
* type, because updating it would invalidate that the relations created associated to that type
* still conform to it. Can throw a RuntimeException if trying to update a relation type declared
* in the Relation Service.
*
* @param roleInfo role info to be added.
* @exception IllegalArgumentException if null parameter.
* @exception InvalidRelationTypeException if there is already a role info in current relation
* type with the same name.
*/
protected void addRoleInfo(RoleInfo roleInfo)
throws IllegalArgumentException, InvalidRelationTypeException {
if (roleInfo == null) {
String excMsg = "Invalid parameter.";
throw new IllegalArgumentException(excMsg);
}
if (isDebugOn()) debug("addRoleInfo: entering", roleInfo.toString());
if (isInRelationService) {
// Trying to update a declared relation type
String excMsg = "Relation type cannot be updated as it is declared in the Relation Service.";
throw new RuntimeException(excMsg);
}
String roleName = roleInfo.getName();
// Checks if the role info has already been described
if (roleName2InfoMap.containsKey(roleName)) {
StringBuilder excMsgStrB = new StringBuilder();
String excMsg = "Two role infos provided for role ";
excMsgStrB.append(excMsg);
excMsgStrB.append(roleName);
throw new InvalidRelationTypeException(excMsgStrB.toString());
}
roleName2InfoMap.put(roleName, new RoleInfo(roleInfo));
if (isDebugOn()) debug("addRoleInfo: exiting", null);
return;
}
// Checks the given RoleInfo array to verify that:
// - the array is not empty
// - it does not contain a null element
// - a given role name is used only for one RoleInfo
//
// -param roleInfoArray array to be checked
//
// -exception IllegalArgumentException
// -exception InvalidRelationTypeException If:
// - the same name has been used for two different roles
// - no role info provided
// - one null role info provided
static void checkRoleInfos(RoleInfo[] roleInfoArray)
throws IllegalArgumentException, InvalidRelationTypeException {
if (roleInfoArray == null) {
String excMsg = "Invalid parameter.";
throw new IllegalArgumentException(excMsg);
}
if (roleInfoArray.length == 0) {
// No role info provided
String excMsg = "No role info provided.";
throw new InvalidRelationTypeException(excMsg);
}
Set<String> roleNames = new HashSet<String>();
for (int i = 0; i < roleInfoArray.length; i++) {
RoleInfo currRoleInfo = roleInfoArray[i];
if (currRoleInfo == null) {
String excMsg = "Null role info provided.";
throw new InvalidRelationTypeException(excMsg);
}
String roleName = currRoleInfo.getName();
// Checks if the role info has already been described
if (roleNames.contains(roleName)) {
StringBuilder excMsgStrB = new StringBuilder();
String excMsg = "Two role infos provided for role ";
excMsgStrB.append(excMsg);
excMsgStrB.append(roleName);
throw new InvalidRelationTypeException(excMsgStrB.toString());
}
roleNames.add(roleName);
}
return;
}
// Initializes the members, i.e. type name and role info list.
//
// -param relationTypeName Name of relation type
// -param roleInfoArray List of role definitions (RoleInfo objects)
//
// -exception IllegalArgumentException if null parameter
// -exception InvalidRelationTypeException If:
// - the same name has been used for two different roles
// - no role info provided
// - one null role info provided
private void initMembers(String relationTypeName, RoleInfo[] roleInfoArray)
throws IllegalArgumentException, InvalidRelationTypeException {
if (relationTypeName == null || roleInfoArray == null) {
String excMsg = "Invalid parameter.";
throw new IllegalArgumentException(excMsg);
}
RELATION_LOGGER.entering(RelationTypeSupport.class.getName(), "initMembers", relationTypeName);
typeName = relationTypeName;
// Verifies role infos before setting them
// Can throw InvalidRelationTypeException
checkRoleInfos(roleInfoArray);
for (int i = 0; i < roleInfoArray.length; i++) {
RoleInfo currRoleInfo = roleInfoArray[i];
roleName2InfoMap.put(currRoleInfo.getName(), new RoleInfo(currRoleInfo));
}
RELATION_LOGGER.exiting(RelationTypeSupport.class.getName(), "initMembers");
return;
}
