nesstar.rdf
Class RDFClass

java.lang.Object
  java.util.Observable
      nesstar.rdf.RDFObject
          nesstar.rdf.RDFClass

All Implemented Interfaces:

Comparable, Type, RDFObj

Direct Known Subclasses:

AType, NSMethod

public class RDFClass
extends RDFObject
implements Type

An RDF Class.

Created:

26 April 2002

Field Summary

Fields inherited from class nesstar.rdf.RDFObject

COLSEP, IS_GETTER, IS_PART, IS_PART_OF, WRITE_OP

Fields inherited from interface nesstar.api.Type

GET_FORM, NO_FORM, POST_DATA_FORM, POST_FORM

Constructor Summary

RDFClass()
Constructor for the RDFClass object

RDFClass(RDFDB db, URL url)
Constructor for the RDFClass object

Method Summary

Vector	getAllMethods()
Vector	getAllProperties()
String	getDefaultValue()
String	getFormType() Return the type for the HTML input form field.
String	getJavaSimpleType()
String	getJavaType()
NSMethod	getMethod(String name)
Vector	getMethods() Gets the methods attribute of the RDFClass object
Vector	getProperties() Gets the properties attribute of the RDFClass object
RDFProperty	getProperty(String name)
static RDFClass	getRDFClass(RDFDB db, String url) Gets the rDFClass attribute of the RDFClass class
static RDFClass	getRDFClass(RDFDB db, URL url) Gets the rDFClass attribute of the RDFClass class
String	getStringToTypeOp()
RDFClass	getSuperClass() Gets the superClass attribute of the RDFClass object
Object	getSuperClassRef() Gets the superClassRef attribute of the RDFClass object
Object	getValue(NSParameter parameter, Parameters params) Read a value of the given type from the parameters
void	init() Method
boolean	isAssignableFrom(RDFClass cls) Gets the assignableFrom attribute of the RDFClass object
boolean	isSubclassOf(RDFClass superClass)
int	needsFormType()
String	toString() Method

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, GetProperty, GetPropertyStatement, GetPropertyStatements, getRange, getRangeType, getRef, getRef, getServer, getShortId, getShortID, getStatementHome, GetStringProperties, GetStringProperty, getTimeoutInSecs, getType, init, init, initialised, 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, 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

RDFClass

public RDFClass()

Constructor for the RDFClass object

RDFClass

public RDFClass(RDFDB db,
                URL url)
         throws Exception

Constructor for the RDFClass object

Parameters:

db -

url -

Throws:

Exception

Method Detail

getRDFClass

public static RDFClass getRDFClass(RDFDB db,
                                   String url)
                            throws Exception

Gets the rDFClass attribute of the RDFClass class

Parameters:

db -

url -

Returns:

The rDFClass value

Throws:

Exception

getRDFClass

public static RDFClass getRDFClass(RDFDB db,
                                   URL url)
                            throws Exception

Gets the rDFClass attribute of the RDFClass class

Parameters:

db -

url -

Returns:

The rDFClass value

Throws:

Exception

getMethods

public Vector getMethods()
                  throws Exception

Gets the methods attribute of the RDFClass object

Returns:

The methods value

Throws:

Exception

getAllMethods

public Vector getAllMethods()
                     throws Exception

Returns:

all methods including the ones that are inherited from other classes

Throws:

Exception

getProperties

public Vector getProperties()
                     throws Exception

Gets the properties attribute of the RDFClass object

Overrides:

getProperties in class RDFObject

Returns:

The properties value

Throws:

Exception

getAllProperties

public Vector getAllProperties()
                        throws Exception

Returns:

all properties including the ones that are inherited from other classes

Throws:

Exception

getProperty

public RDFProperty getProperty(String name)
                        throws Exception

Parameters:

name - the short or long name of the property

Returns:

The property value

Throws:

Exception

getSuperClassRef

public Object getSuperClassRef()
                        throws Exception

Gets the superClassRef attribute of the RDFClass object

Returns:

The superClassRef value

Throws:

Exception

getSuperClass

public RDFClass getSuperClass()
                       throws Exception

Gets the superClass attribute of the RDFClass object

Returns:

The superClass value

Throws:

Exception

isSubclassOf

public boolean isSubclassOf(RDFClass superClass)
                     throws Exception

Parameters:

superClass - the superclass

Returns:

true if it's subclass of superClass

Throws:

Exception

isAssignableFrom

public boolean isAssignableFrom(RDFClass cls)
                         throws Exception

Gets the assignableFrom attribute of the RDFClass object

Parameters:

cls -

Returns:

The assignableFrom value

Throws:

Exception

getMethod

public NSMethod getMethod(String name)
                   throws Exception

Parameters:

name - the short or long name of the method

Returns:

The method value

Throws:

Exception

init

public void init()
          throws Exception

Method

Throws:

Exception

toString

public String toString()

Method

Overrides:

toString in class RDFObject

Returns:

getValue

public Object getValue(NSParameter parameter,
                       Parameters params)
                throws Exception

Read a value of the given type from the parameters

Specified by:

getValue in interface Type

Parameters:

parameter -

params -

Returns:

an object

Throws:

Exception

getJavaType

public String getJavaType()

Specified by:

getJavaType in interface Type

Returns:

the name of the Java class that correspond to this type

getJavaSimpleType

public String getJavaSimpleType()

Specified by:

getJavaSimpleType in interface Type

Returns:

the name of the Java simple type that correspond to this type

getFormType

public String getFormType()

Return the type for the HTML input form field.

Specified by:

getFormType in interface Type

Returns:

the type name

getStringToTypeOp

public String getStringToTypeOp()

Specified by:

getStringToTypeOp in interface Type

Returns:

the name of the operation to be applied to a String to get a value of this type or null if no convertion is needed

getDefaultValue

public String getDefaultValue()

Specified by:

getDefaultValue in interface Type

Returns:

the default value for this type

needsFormType

public int needsFormType()

Specified by:

needsFormType in interface Type

Returns:

the simple form type required to input this type