JADE_SL.schema
Class ContentElementSchema

java.lang.Object
  extended byJADE_SL.schema.ObjectSchema
      extended byJADE_SL.schema.ContentElementSchema
Direct Known Subclasses:
ContentElementListSchema, PredicateSchema

public class ContentElementSchema
extends ObjectSchema

Author:
Federico Bergenti - Universita` di Parma

Nested Class Summary
 
Nested classes inherited from class JADE_SL.schema.ObjectSchema
 
Field Summary
static java.lang.String BASE_NAME
           
private static ContentElementSchema baseSchema
           
 
Fields inherited from class JADE_SL.schema.ObjectSchema
MANDATORY, OPTIONAL, UNLIMITED
 
Constructor Summary
private ContentElementSchema()
          Construct a schema that vinculates an entity to be a generic content element
protected ContentElementSchema(java.lang.String typeName)
          Creates a ContentElementSchema with a given type-name.
 
Method Summary
protected  boolean descendsFrom(ObjectSchema s)
          Return true if - s is the base schema for the XXXSchema class this schema is an instance of (e.g. s is ConceptSchema.getBaseSchema() and this schema is an instance of ConceptSchema) - s is the base schema for a super-class of the XXXSchema class this schema is an instance of (e.g. s is TermSchema.getBaseSchema() and this schema is an instance of ConceptSchema)
static ObjectSchema getBaseSchema()
          Retrieve the generic base schema for all content elements.
 AbsObject newInstance()
          Creates an Abstract descriptor to hold a content element of the proper type.
 
Methods inherited from class JADE_SL.schema.ObjectSchema
add, add, add, addFacet, addSuperSchema, containsSlot, equals, getNames, getSchema, getTypeName, isCompatibleWith, toString, validate, validateSlots
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

BASE_NAME

public static final java.lang.String BASE_NAME
See Also:
Constant Field Values

baseSchema

private static ContentElementSchema baseSchema
Constructor Detail

ContentElementSchema

private ContentElementSchema()
Construct a schema that vinculates an entity to be a generic content element


ContentElementSchema

protected ContentElementSchema(java.lang.String typeName)
Creates a ContentElementSchema with a given type-name.

Parameters:
typeName - The name of this ContentElementSchema.
Method Detail

getBaseSchema

public static ObjectSchema getBaseSchema()
Retrieve the generic base schema for all content elements.

Returns:
the generic base schema for all content elements.

newInstance

public AbsObject newInstance()
                      throws OntologyException
Creates an Abstract descriptor to hold a content element of the proper type.

Overrides:
newInstance in class ObjectSchema
Throws:
OntologyException

descendsFrom

protected boolean descendsFrom(ObjectSchema s)
Return true if - s is the base schema for the XXXSchema class this schema is an instance of (e.g. s is ConceptSchema.getBaseSchema() and this schema is an instance of ConceptSchema) - s is the base schema for a super-class of the XXXSchema class this schema is an instance of (e.g. s is TermSchema.getBaseSchema() and this schema is an instance of ConceptSchema)

Overrides:
descendsFrom in class ObjectSchema


Copyright © 2000-2003 BT Exact Technologies. All Rights Reserved.