org.omus.data
Class DataField

java.lang.Object
  |
  +--org.omus.data.DataField

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

Direct Known Subclasses:

BooleanField, CounterField, DataList, DataRow, DataTable, DateField, DoubleField, IntField, LongField, StringField

public abstract class DataField

extends java.lang.Object

implements java.io.Serializable, java.lang.Cloneable

The abstract superclass of all DataFields.

See Also:

Serialized Form

Method Summary

abstract void	accept(FieldVisitor fv) Accepts a visitor.
void	addListener(FieldListener cl) Adds a listener to this DataField that gets notified when the value of this object was modified.
java.lang.Object	clone() Returns a clone of this DataField
java.lang.String	getName() Returns the name of this DataField.
void	removeListener(FieldListener clRem) Removes the specified listener from this DataField.

Methods inherited from class java.lang.Object

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

Method Detail

getName

public java.lang.String getName()

Returns the name of this DataField.

clone

public java.lang.Object clone()

Returns a clone of this DataField

addListener

public void addListener(FieldListener cl)

Adds a listener to this DataField that gets notified when the value of this object was modified.

removeListener

public void removeListener(FieldListener clRem)

Removes the specified listener from this DataField.

accept

public abstract void accept(FieldVisitor fv)

Accepts a visitor. The visitor pattern is useful if you want to extend the functionality of all DataFields without modifying their API.