de.uplanet.lucy.server.dataobjects
Interface IValueHolder<T>

All Known Subinterfaces:

IBooleanValueHolder, IDateTimeValueHolder, IDoubleValueHolder, IFileValueHolder, ILongValueHolder, IStringValueHolder

All Known Implementing Classes:

BooleanValueHolder, CanonicalLexicalRepresentationValueHolder, DateTimeValueHolder, DoubleValueHolder, FileContentValueHolder, FileValueHolder, LongValueHolder, NewGuidValueHolder, NowClosure.NowTimestamp, NowValueHolder, NullValueHolder, ObjectValueHolder, ReaderValueHolder, StringValueHolder, XmlSchemaDatatypeValueHolder

public interface IValueHolder<T>

Version:

$Revision: 64698 $

Method Summary

java.lang.String	getCanonicalLexicalRepresentation() Get the canonical lexical representation of this value according to it's datatype.
java.lang.Object	getRawValue() Get the raw data that this value holder holds.
javax.xml.namespace.QName	getType() The type of data this value holder holds.
T	getValue() Get the data that this value holder holds.
boolean	hasValue() Check if this value holder currently holds data or not.

Method Detail

getType

javax.xml.namespace.QName getType()

The type of data this value holder holds.

hasValue

boolean hasValue()

Check if this value holder currently holds data or not.

Returns:

true if the data holder holds data, or false otherwise.

getValue

T getValue()

Get the data that this value holder holds.

Implementations MUST ensure that multiple calls to this method will return values that equal each other.

Returns:

The data.

getRawValue

java.lang.Object getRawValue()

Get the raw data that this value holder holds.

Returns:

The raw data.

getCanonicalLexicalRepresentation

java.lang.String getCanonicalLexicalRepresentation()

Get the canonical lexical representation of this value according to it's datatype.

Returns:

The canonical lexical representation, or null if such a representation does not exist (e.g. if hasValue() returns false).