gate.jape.constraint
Class LengthAccessor

java.lang.Object
  gate.jape.constraint.MetaPropertyAccessor
      gate.jape.constraint.LengthAccessor

All Implemented Interfaces:

AnnotationAccessor, Serializable

public class LengthAccessor
extends MetaPropertyAccessor

Accessor that returns the length of the characters spanned by the annotation

Version:

$Revision$

Author:

esword

See Also:

Serialized Form

Field Summary

Fields inherited from class gate.jape.constraint.MetaPropertyAccessor

log

Constructor Summary

LengthAccessor()

Method Summary

Object	getKey() Always returns "length", the name of the meta-property which this accessor provides.
Object	getValue(Annotation annot, AnnotationSet context) Return the length of the span of the annotation.

Methods inherited from class gate.jape.constraint.MetaPropertyAccessor

equals, hashCode, setKey, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

LengthAccessor

public LengthAccessor()

Method Detail

getValue

public Object getValue(Annotation annot,
                       AnnotationSet context)

Return the length of the span of the annotation.

context - optional parameter with information about the context in which the annotation has meaning. Normally this would be a Document. Not all accessors will require the context information so it may be null. Some accessor implementations may throw an exception without it.

getKey

public Object getKey()

Always returns "length", the name of the meta-property which this accessor provides.

Specified by:

getKey in interface AnnotationAccessor

Specified by:

getKey in class MetaPropertyAccessor