gate.creole.morph
Class Variable

java.lang.Object
  gate.creole.morph.Variable

Direct Known Subclasses:

CharacterRange, CharacterSet, StringSet

public abstract class Variable
extends Object

Description: This is an interface which should be implemented by every new variable type. Variable here is considered to have more than one values. Example of built-in varilables for morpher are StringSet, CharacterRange, CharacterSet.

Field Summary

protected int	pointer
protected String	varName name of the variable
protected String	varValue value of the variable

Constructor Summary

Variable()

Method Summary

abstract boolean	contains(String varValue) should tell variable has one of the values with varValue
String	getPattern() this method returns the formatted pattern, which could be recognized by the regular expressions
abstract boolean	hasNext() method tells if next element is available to fetch
abstract String	next() should return the next element in the variable
void	resetPointer() resets the pointer to the begining
abstract boolean	set(String varName, String pattern) Sets the variable name and pattern for the variable

Methods inherited from class java.lang.Object

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

Field Detail

pointer

protected int pointer

varName

protected String varName

name of the variable

varValue

protected String varValue

value of the variable

Constructor Detail

Variable

public Variable()

Method Detail

hasNext

public abstract boolean hasNext()

method tells if next element is available to fetch

next

public abstract String next()

should return the next element in the variable

set

public abstract boolean set(String varName,
                            String pattern)

Sets the variable name and pattern for the variable

contains

public abstract boolean contains(String varValue)

should tell variable has one of the values with varValue

getPattern

public String getPattern()

this method returns the formatted pattern, which could be recognized by the regular expressions

resetPointer

public void resetPointer()

resets the pointer to the begining