| net.sf.jga.fn.property.GetField
| GetField | | public class GetField extends UnaryFunctor (Code) | | Unary Functor that returns the value of the named field for the argument.
The field name and type are set at construction.
Copyright © 2002-2005 David A. Hall
author:
David A. Hall |
| Method Summary | |
| public void | accept(net.sf.jga.fn.Visitor v)
Calls the Visitor's visit(GetField) field, if it
implements the nested Visitor interface. | | public R | fn(T arg)
Returns the value of the designated field of the argument
the value of the designated field of the argument
throws:
EvaluationException - if the argument does not have the designatedpublic field, or if it is not of the correct type. | | public synchronized Field | getField()
Lazily loads the Field object. | | public String | getFieldName()
Returns the name of the field that this functor retrieves. | | public Class<R> | getFieldType()
Returns the type of field that this functor retrieves. | | public Class<T> | getObjectType()
Returns the class on which the field is retrieved. | | public String | toString()
|
| serialVersionUID | | final static long serialVersionUID(Code) | | |
| GetField | | public GetField(Class<T> argclass, String fieldName)(Code) | | Builds a GetField for the given field, using the given class to
find the desired field.
throws:
IllegalArgumentException - if the field name is null or empty, |
| accept | | public void accept(net.sf.jga.fn.Visitor v)(Code) | | Calls the Visitor's visit(GetField) field, if it
implements the nested Visitor interface.
|
| fn | | public R fn(T arg)(Code) | | Returns the value of the designated field of the argument
the value of the designated field of the argument
throws:
EvaluationException - if the argument does not have the designatedpublic field, or if it is not of the correct type. |
| getFieldName | | public String getFieldName()(Code) | | Returns the name of the field that this functor retrieves.
|
| getFieldType | | public Class<R> getFieldType()(Code) | | Returns the type of field that this functor retrieves.
|
| getObjectType | | public Class<T> getObjectType()(Code) | | Returns the class on which the field is retrieved.
|
|
|