nesstar.api.common
Class Concept

java.lang.Object
  extended by java.util.Observable
      extended by nesstar.rdf.RDFObject
          extended by nesstar.api.common.Concept
All Implemented Interfaces:
Comparable, RDFObj
Direct Known Subclasses:
GeoConcept

public class Concept
extends RDFObject

A concept, as defined in a thesaurus or other classification scheme.

Code automatically generated from ARGO/UML


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
Concept(RDFDB db, URL id)
          Create an object with the indicated id in the indicated db
 
Method Summary
 void clear()
          Clear all properties of this object
 RDFRef get_terms()
           
 String get_urn()
           
static Vector getAllInstances()
           
static Vector getAllInstances(RDFDB db)
           
static FeatureDescriptor getDescriptor(String featureName)
          get the descriptor for a feature of the class, either method or attribute Note: the methods' feature are still not implemented
static Collection getGetterMethods()
           
static Concept getInstance(RDFDB db, URL id)
          If an object of type Concept with the indicated id exists in the db returns it otherwise create a new object in the db and returns it
static Concept getInstance(String rdf)
           
static Collection getPartsDescriptor()
           
 List getTerms()
           
 String getUrn()
           A globally unique, location indipendent identifier for this concept, e.g: elsst:E10.30.40.10.10.
 void initialised()
          Notify that the object has been created and its properties setup for the first time.
static void listenForNewObj(NewObjListener listener)
          Register to be notified when new objects are added.
static Concept newInstance(RDFDB db)
          Create a new object of this type with a locally unique id and returns it
static Concept retrieve(URL id)
          If an object of type Concept 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_terms(RDFRef terms)
           
 void set_urn(String urn)
           
 void setTerms(List terms)
           
 void setUrn(String urn)
           A globally unique, location indipendent identifier for this concept, e.g: elsst:E10.30.40.10.10.
 
Methods inherited from class nesstar.rdf.RDFObject
AddProperty, AddStringProperty, chkFinal, compareTo, dbg, equals, err, err, get_comment, get_creationDate, get_label, get, getAccessCondition, getBinding, getBindings, getBookmarkLabel, getCollectionURL, getComment, getCreationDate, getDB, getDescriptor, getDomain, getID, getInitialisedProperties, getInternalID, getLabel, getLastClear, 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

Concept

public Concept(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_terms

public void set_terms(RDFRef terms)
Parameters:
terms -

setTerms

public void setTerms(List terms)
              throws Exception
Parameters:
terms -
Throws:
Exception

setUrn

public void setUrn(String urn)

A globally unique, location indipendent identifier for this concept, e.g: elsst:E10.30.40.10.10.

Note that the URN namespace "elsst" is not an officially registered URN namespace.

Parameters:
urn -

set_urn

public void set_urn(String urn)
Parameters:
urn -

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 Concept getInstance(RDFDB db,
                                  URL id)
                           throws Exception
If an object of type Concept 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 Concept 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_terms

public RDFRef get_terms()
                 throws Exception
Throws:
Exception

getTerms

public List getTerms()
              throws Exception
Returns:
Throws:
Exception

getUrn

public String getUrn()

A globally unique, location indipendent identifier for this concept, e.g: elsst:E10.30.40.10.10.

Note that the URN namespace "elsst" is not an officially registered URN namespace.


get_urn

public String get_urn()
               throws Exception
Throws:
Exception

getDescriptor

public static FeatureDescriptor getDescriptor(String featureName)
get the descriptor for a feature of the class, either method or attribute Note: the methods' feature are still not implemented

Parameters:
featureName -

getPartsDescriptor

public static Collection getPartsDescriptor()
Returns:
the descriptor of the attribute that are part of the class

getGetterMethods

public static Collection getGetterMethods()
Returns:
the descriptor of the attribute that are part of the class

newInstance

public static Concept newInstance(RDFDB db)
                           throws Exception
Create a new object of this type with a locally unique id and returns it

Parameters:
db - the db where the object is to be found or created
Returns:
an object of this type
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 has been created and its properties setup for the first time. This is NOT called when the object is simply reloaded.

Overrides:
initialised in class RDFObject

retrieve

public static Concept retrieve(URL id)
                        throws Exception
If an object of type Concept 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 Concept with the indicated id
Throws:
Exception

clear

public void clear()
Description copied from class: RDFObject
Clear all properties of this object

Overrides:
clear in class RDFObject

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