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java.lang.Objectorg.eclipse.persistence.mappings.converters.ClassInstanceConverter
public class ClassInstanceConverter
Purpose: Allows a class name to be converted to and from a new instance of the class. When using a ClassInstanceConverter, the database will store the Class name and the java object model will contain an instance of that class initialized with its default constructor
Field Summary | |
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protected DatabaseMapping |
mapping
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Constructor Summary | |
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ClassInstanceConverter()
PUBLIC: Default constructor. |
Method Summary | |
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java.lang.Object |
convertDataValueToObjectValue(java.lang.Object fieldValue,
Session session)
INTERNAL: Convert the class name to a class, then create an instance of the class. |
java.lang.Object |
convertObjectValueToDataValue(java.lang.Object attributeValue,
Session session)
INTERNAL: Convert to the field class. |
protected DatabaseMapping |
getMapping()
INTERNAL: Return the mapping. |
void |
initialize(DatabaseMapping mapping,
Session session)
INTERNAL: Set the mapping. |
boolean |
isMutable()
INTERNAL: If the converter converts the value to a non-atomic value, i.e. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected DatabaseMapping mapping
Constructor Detail |
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public ClassInstanceConverter()
Method Detail |
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public java.lang.Object convertDataValueToObjectValue(java.lang.Object fieldValue, Session session)
convertDataValueToObjectValue
in interface Converter
public java.lang.Object convertObjectValueToDataValue(java.lang.Object attributeValue, Session session)
convertObjectValueToDataValue
in interface Converter
public void initialize(DatabaseMapping mapping, Session session)
initialize
in interface Converter
protected DatabaseMapping getMapping()
public boolean isMutable()
isMutable
in interface Converter
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