/**
* Returns a tree representation of the classes in the range of the given property, with the nodes
* in alphabetic order.
*
* @param user User id
* @param prop Property name
* @return Hierarchy[] tree representation of range class hierarchy, empty if session expired
*/
public Hierarchy[] getRangeHierarchy(String user, String prop) {
if (!userMap.containsKey(user)) return new Hierarchy[0];
LiberSession session = userMap.get(user);
synchronized (session) {
session.setLastUpdated();
if (prop.equals("ANYTHING")) return session.getReader().getClassHierarchy();
return session.getReader().getRangeHierarchy(prop);
}
}
/**
* Returns a tag cloud for the given property.
*
* @param user User ID
* @param property Property name
* @return TagCloud, null if session expired or error occurred
*/
public TagCloud getTagCloud(String user, String property) {
try {
if (!userMap.containsKey(user)) return null;
LiberSession session = userMap.get(user);
synchronized (session) {
session.setLastUpdated();
TagCloud tc =
new Folksonomy(user)
.getTagCloud(session.getReader(), session.getReader().getProperty(property));
return tc;
}
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* Returns an aggregated tag cloud for a set of properties.
*
* @param user User ID
* @param properties String[] with property names
* @return TagCloud, null if session expired or error occurred
*/
public TagCloud getTagCloud(String user, String[] properties) {
try {
if (!userMap.containsKey(user)) return null;
LiberSession session = userMap.get(user);
synchronized (session) {
session.setLastUpdated();
List<OntProperty> list = new ArrayList<OntProperty>();
for (int i = 0; i < properties.length; i++)
list.add(session.getReader().getProperty(properties[i]));
TagCloud tc = new Folksonomy(user).getTagCloud(session.getReader(), list);
return tc;
}
} catch (Exception e) {
e.printStackTrace();
return null;
}
}
/**
* Returns the values allowed in the range of the given property.
*
* @param user User ID
* @param property Property name
* @return String[] with possible range values, null if session expired
*/
public String[] getRange(String user, String property) {
if (!userMap.containsKey(user)) return null;
LiberSession session = userMap.get(user);
synchronized (session) {
session.setLastUpdated();
return session.getReader().getRestrictedRange(property).toArray(new String[0]);
}
}
/**
* Returns a tree representation of the subclasses of the given nodes, with the nodes in
* alphabetic order.
*
* @param user User id
* @param roots Root nodes
* @return Hierarchy[] tree representation of class hierarchy, null if session expired
*/
public Hierarchy[] getClassHierarchy(String user, String[] roots) {
if (!userMap.containsKey(user)) return null;
LiberSession session = userMap.get(user);
synchronized (session) {
session.setLastUpdated();
return session.getReader().getClassHierarchy(roots);
}
}
/**
* Returns all string datatype properties with cardinal constraints of this class.
*
* @param user User ID
* @param type Class name
* @return FormInfo[] with information needed to create a small form for new instance creation,
* null if error occurred or session expired
*/
public FormInfo[] getCardinalStringProperties(String user, String type) {
if (!userMap.containsKey(user)) return null;
LiberSession session = userMap.get(user);
synchronized (session) {
session.setLastUpdated();
try {
return session.getReader().getCardinalStringProperties(type);
} catch (Exception e) {
return null;
}
}
}
/**
* Returns the type of the property: object- or datatype, and whether it has restricted values,
* and any cardinality constraints it might have. The first element in the array returns the range
* type, the second a maximum cardinality constraint (0 if there is none)
*
* @param user User ID
* @param anchor Unique ID of Anchor
* @param property Property name
* @param type Session type
* @param key browsing session id (null if session type is EDIT)
* @return Integer[] with property type.
*/
public Integer[] getType(String user, String anchor, String property, int type, String key) {
if (!userMap.containsKey(user)) return null;
LiberSession session = userMap.get(user);
Integer[] result = new Integer[2];
synchronized (session) {
session.setLastUpdated();
result[0] = session.getReader().getRangeType(property);
result[1] = new Integer(session.getMax(anchor, property, type, key));
}
return result;
}