org.objectweb.jorm.metainfo.lib
Class BasicScalarField

java.lang.Object
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  +--org.objectweb.jorm.metainfo.lib.BasicPrimitiveElement
        |
        +--org.objectweb.jorm.metainfo.lib.BasicScalarField

All Implemented Interfaces:

Loggable, MetaObject, PrimitiveElement, ScalarField, java.io.Serializable, TypedElement

public class BasicScalarField

extends BasicPrimitiveElement

implements ScalarField

A ScalarField describes corresponds to a hidden field of a ClassObject or a Generic Class. For Classes, it is typically used to represent PNames. For Generic Class, it can also be used for the index attributes of the Generic Class.

Author:

X. Spengler

See Also:

Serialized Form

Constructor Summary

BasicScalarField(java.lang.String name, PType type, MetaObject parent)
Builds a new BasicScalarField object.

Method Summary

java.lang.String	getNullValue() get the null value for this field.
boolean	hasNullValue() Test if the null value exists for this field.
void	setNullValue(java.lang.String value) Set the null value for this field.

Methods inherited from class org.objectweb.jorm.metainfo.lib.BasicPrimitiveElement

createValueMapping, getLogger, getLoggerFactory, getName, getParent, getType, getValueMapping, isScalar, iterateValueMapping, setLogger, setLoggerFactory, setParent

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.objectweb.jorm.metainfo.api.PrimitiveElement

createValueMapping, getValueMapping, isScalar, iterateValueMapping

Methods inherited from interface org.objectweb.jorm.metainfo.api.TypedElement

getName, getType

Methods inherited from interface org.objectweb.jorm.metainfo.api.MetaObject

getParent, setParent

Constructor Detail

BasicScalarField

public BasicScalarField(java.lang.String name,
                        PType type,
                        MetaObject parent)

Builds a new BasicScalarField object.

Parameters:

name - the name of the scalar field

type - the PType of the field

paren - the parent meta-object of the current field

Method Detail

setNullValue

public void setNullValue(java.lang.String value)

Set the null value for this field.

Specified by:

setNullValue in interface ScalarField

Parameters:

value - a string representation of the nullvalue

getNullValue

public java.lang.String getNullValue()

get the null value for this field.

Specified by:

getNullValue in interface ScalarField

Returns:

the string representation of the null value or null if there is no null value for this field.

hasNullValue

public boolean hasNullValue()

Test if the null value exists for this field.

Specified by:

hasNullValue in interface ScalarField

Returns:

true if the null value exist for this field.