javax.jdo.annotations

Annotation Type Convert

@Retention(value=RUNTIME)
 @Target(value={METHOD,FIELD})
public @interface Convert

Specifies that a given type should be converted before being stored to, and after being retrieved from the datastore using the given AttributeConverter. If this annotation is placed on a type, then the conversion applies to all fields or properties whose types match the entity type of the given AttributeConverter. Any Convert annotations placed on members overrides any type-level conversion specifications. If this annotation is placed on a field or property, the annotated attribute's type must be assignment-compatible with the AttributeConverter's entity type argument.

Since:

3.2

Version:

3.2

Required Element Summary

Required Elements

Modifier and Type	Required Element and Description
Class<? extends AttributeConverter>	value The AttributeConverter to use for conversion.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	enabled Whether this conversion is enabled.

Element Detail

value

public abstract Class<? extends AttributeConverter> value

The AttributeConverter to use for conversion.

Returns:

Converter class to use

enabled

public abstract boolean enabled

Whether this conversion is enabled. True by default. Setting this to false allows disabling conversion that was specified at PMF level.

Returns:

Whether the PMF default converter is enabled

Default:

true