nesstar.api.dais
Class Category

java.lang.Object
  extended by java.util.Observable
      extended by nesstar.rdf.RDFObject
          extended by nesstar.api.dais.Category
All Implemented Interfaces:
Comparable, RDFObj
Direct Known Subclasses:
FolderEx

public class Category
extends RDFObject

A Category Code automatically generated from ARGO/UML

Author:
mgerardi
Created:
24 January 2002

Field Summary
static String CLASS_ID
           
 
Fields inherited from class nesstar.rdf.RDFObject
COLSEP, IS_GETTER, IS_PART, IS_PART_OF, WRITE_OP
 
Constructor Summary
Category(RDFDB db, URL id)
          Create an object with the indicated id in the indicated db
 
Method Summary
 RDFRef get_contents()
           
static Vector getAllInstances()
           
static Vector getAllInstances(RDFDB db)
           
 List getContents()
          Gets the contents attribute of the Category object
static Category getInstance(RDFDB db, URL id)
          If an object of type Server with the indicated id exists in the db returns it otherwise create a new object in the db and returns it
static Category getInstance(String rdf)
           
 void initialised()
          Notify that the object properties has been updated BUG: not just when the object has been created
static void listenForNewObj(NewObjListener listener)
          Register to be notified when new objects are added.
static Category retrieve(URL id)
          If an object of type Category with the indicated id has already being retrieved from the network returns it otherwise retrieve it together with its class information (methods, properties, etc.)
 void set_contents(RDFRef contents)
           
 
Methods inherited from class nesstar.rdf.RDFObject
AddProperty, AddStringProperty, chkFinal, clear, compareTo, dbg, equals, err, err, get_comment, get_creationDate, get_label, get, getAccessCondition, getBinding, getBindings, getBookmarkLabel, getCollectionURL, getComment, getCreationDate, getDB, getDescriptor, getDescriptor, getDomain, getGetterMethods, getID, getInitialisedProperties, getInternalID, getLabel, getLastClear, getPartsDescriptor, getPartsDescriptor, getPartsDescriptor, getPath, getProperties, GetProperties, GetProperty, GetPropertyStatement, GetPropertyStatements, getRange, getRangeType, getRef, getRef, getServer, getShortId, getShortID, getStatementHome, GetStringProperties, GetStringProperty, getTimeoutInSecs, getType, init, init, isComplete, isLocal, isMeta, isStale, loaded, neededCollectionReload, neededReload, neededReload, neededReload, neededReload, needsReload, reload, remove, set_comment, set_complete, set_creationDate, set_label, set, setComment, setComplete, setCreationDate, setDB, setHardOrSoft, setID, setLabel, setLastClear, SetProperty, setServer, SetStringProperty, setTimeoutInSecs, setTimestamp, setType, setTypeID, stale, toRDF, toRDFWrapped, toString, update
 
Methods inherited from class java.util.Observable
addObserver, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers
 
Methods inherited from class java.lang.Object
getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

CLASS_ID

public static String CLASS_ID
Constructor Detail

Category

public Category(RDFDB db,
                URL id)
         throws Exception
Create an object with the indicated id in the indicated db

Parameters:
db - the db where the object is to be created
id - the id of the object to create
Throws:
Exception
Method Detail

set_contents

public void set_contents(RDFRef contents)
Parameters:
contents -

getAllInstances

public static Vector getAllInstances(RDFDB db)
                              throws Exception
Parameters:
db - the db where the instances are to be found
Returns:
all the instances of this class in the database
Throws:
Exception

getAllInstances

public static Vector getAllInstances()
                              throws Exception
Returns:
get all the instances of this class from the default database
Throws:
Exception

getInstance

public static Category getInstance(RDFDB db,
                                   URL id)
                            throws Exception
If an object of type Server with the indicated id exists in the db returns it otherwise create a new object in the db and returns it

Parameters:
db - the db where the object is to be found or created
id - the id of the object to retrieve or create
Returns:
an object of type Server with the indicated id and existing in the indicated db
Throws:
Exception

getInstance

public static Category getInstance(String rdf)
                            throws Exception
Parameters:
rdf - some rdf code that contains a description of an object of this kind
Returns:
the single instance of this class described in the passed RDF code
Throws:
Exception

get_contents

public RDFRef get_contents()
Returns:
Description of the Return Value

getContents

public List getContents()
                 throws Exception
Gets the contents attribute of the Category object

Returns:
The contents value
Throws:
Exception

listenForNewObj

public static void listenForNewObj(NewObjListener listener)
Register to be notified when new objects are added.

Parameters:
listener - the listener

initialised

public void initialised()
Notify that the object properties has been updated BUG: not just when the object has been created

Overrides:
initialised in class RDFObject

retrieve

public static Category retrieve(URL id)
                         throws Exception
If an object of type Category with the indicated id has already being retrieved from the network returns it otherwise retrieve it together with its class information (methods, properties, etc.)

Parameters:
id - the id of the object to retrieve
Returns:
an object of type Category with the indicated id
Throws:
Exception

Nesstar SDK

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