org.melati.poem.prepro
Class FieldQualifier

java.lang.Object
  org.melati.poem.prepro.FieldQualifier

Direct Known Subclasses:

CompareOnlyFieldQualifier, DeletedFieldQualifier, DescriptionFieldQualifier, DisplayLevelFieldQualifier, DisplayNameFieldQualifier, DisplayOrderFieldQualifier, DisplayOrderPriorityFieldQualifier, HeightFieldQualifier, IndexedFieldQualifier, IntegrityfixFieldQualifier, NullableFieldQualifier, PrecisionFieldQualifier, RenderinfoFieldQualifier, ScaleFieldQualifier, SearchabilityFieldQualifier, SizeFieldQualifier, SortDescendingFieldQualifier, TroidFieldQualifier, UncreateableFieldQualifier, UneditableFieldQualifier, WidthFieldQualifier

public abstract class FieldQualifier
extends Object

Abstract class from which all FieldQualifiers are derived.

Constructor Summary

FieldQualifier()

Method Summary

abstract void	apply(FieldDef field) Update the model.
static FieldQualifier	from(StreamTokenizer tokens) Creates the appropriate type of FieldQualifier from the input stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FieldQualifier

public FieldQualifier()

Method Detail

apply

public abstract void apply(FieldDef field)
                    throws org.melati.poem.prepro.IllegalityException

Update the model.

Parameters:

field - the FieldDef to update

Throws:

IllegalityException - if there is a semantic contractiction

from

public static FieldQualifier from(StreamTokenizer tokens)
                           throws org.melati.poem.prepro.ParsingDSDException,
                                  IOException

Creates the appropriate type of FieldQualifier from the input stream.

Parameters:

tokens - the StreamTokenizer to get tokens from

Returns:

a new FieldQualifier of the appropriate type

Throws:

ParsingDSDException - if an unexpected token is encountered

IOException - if something goes wrong with the file system