org.apache.openjpa.persistence
Interface HintValueConverter

All Known Implementing Classes:
HintValueConverter.EnumToInteger, HintValueConverter.OpenJPAEnumToInteger, HintValueConverter.StringToBoolean, HintValueConverter.StringToInteger, MixedLockLevelsHelper

public interface HintValueConverter

Converts a given user-specified value to a target type consumable by the kernel. Used by hint processing.

Since:
2.0.0
Author:
Pinaki Poddar

Nested Class Summary
static class HintValueConverter.EnumToInteger
          Convert the enum value to an enumerated set of constants.
static class HintValueConverter.OpenJPAEnumToInteger
          Converts an OpenJPA specific enum to an equivalent kernel constant.
static class HintValueConverter.StringToBoolean
           
static class HintValueConverter.StringToInteger
          Converts a String to an integer.
 
Method Summary
 boolean canConvert(Class<?> type)
          Affirm if this receiver can convert the value of the given type.
 Object convert(Object original)
          Convert the user-specified value to a kernel consumable value.
 

Method Detail

convert

Object convert(Object original)
Convert the user-specified value to a kernel consumable value.

Parameters:
original - the user-specified value
Returns:
an equivalent value consumable by a kernel construct.
Throws:
IllegalArgumentException - if the given value can not be converted.

canConvert

boolean canConvert(Class<?> type)
Affirm if this receiver can convert the value of the given type.



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