nesstar.api.faster
Class FolderEx

java.lang.Object
  java.util.Observable
      nesstar.rdf.RDFObject
          nesstar.api.dais.Category
              nesstar.api.faster.FolderEx

All Implemented Interfaces:

Comparable, RDFObj

public class FolderEx
extends Category

Version:

Author:

titto

Created:

26 April 2002

Field Summary

Fields inherited from class nesstar.api.dais.Category

CLASS_ID

Fields inherited from class nesstar.rdf.RDFObject

COLSEP, IS_GETTER, IS_PART, IS_PART_OF, WRITE_OP

Constructor Summary

FolderEx(RDFDB db, URL id)

Create an object with the indicated id in the indicated db

Method Summary

void	addFolderTree(Vector objsToSave) Adds a feature to the FolderTree attribute of the FolderEx object
String	getBrowseListRDF()
static Category	getInstance(RDFDB db, URL id) If an object with the indicated id exists in the db returns it otherwise create a new object in the db and returns it
static FolderEx	getInstance(URL id, String label) If an object with the indicated id exists in the default db returns it otherwise create a new object in the db and returns it
static FolderEx	newInstance(String label) Create a new local instance of FolderEx in the default db with an unique ID.

Methods inherited from class nesstar.api.dais.Category

get_contents, getAllInstances, getAllInstances, getContents, getInstance, initialised, listenForNewObj, retrieve, set_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

Constructor Detail

FolderEx

public FolderEx(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

getInstance

public static Category getInstance(RDFDB db,
                                   URL id)
                            throws Exception

If an object 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 with the indicated id and existing in the indicated db

Throws:

Exception

getInstance

public static FolderEx getInstance(URL id,
                                   String label)
                            throws Exception

If an object with the indicated id exists in the default db returns it otherwise create a new object in the db and returns it

Parameters:

id - the id of the object to retrieve or create

label - the label to assign to the object

Returns:

an object with the indicated id and existing in the indicated db

Throws:

Exception

getBrowseListRDF

public String getBrowseListRDF()
                        throws Exception

Returns:

the RDF serialization of the browse list rooted at this folder

Throws:

Exception

newInstance

public static FolderEx newInstance(String label)
                            throws Exception

Create a new local instance of FolderEx in the default db with an unique ID.

Parameters:

label - the label to assign to the object

Returns:

a new local instance of FolderEx

Throws:

Exception

addFolderTree

public void addFolderTree(Vector objsToSave)
                   throws Exception

Adds a feature to the FolderTree attribute of the FolderEx object

Parameters:

objsToSave - The feature to be added to the FolderTree attribute

Throws:

Exception