com.ibatis.sqlmap.engine.exchange
Interface DataExchange

All Known Implementing Classes:

BaseDataExchange, ComplexDataExchange, DomDataExchange, JavaBeanDataExchange, ListDataExchange, MapDataExchange, PrimitiveDataExchange

public interface DataExchange

Interface for exchanging data between a parameter map/result map and the related objects

Method Summary

CacheKey	getCacheKey(RequestScope request, ParameterMap parameterMap, java.lang.Object parameterObject) Returns an object capable of being a unique cache key for a parameter object.
java.lang.Object[]	getData(RequestScope request, ParameterMap parameterMap, java.lang.Object parameterObject) Gets a data array from a parameter object.
void	initialize(java.util.Map properties) Initializes the data exchange instance.
java.lang.Object	setData(RequestScope request, ParameterMap parameterMap, java.lang.Object parameterObject, java.lang.Object[] values) Sets values from a data array into a parameter object
java.lang.Object	setData(RequestScope request, ResultMap resultMap, java.lang.Object resultObject, java.lang.Object[] values) Sets values from a data array into a result object.

Method Detail

initialize

public void initialize(java.util.Map properties)

Initializes the data exchange instance.

Parameters:

properties -

getData

public java.lang.Object[] getData(RequestScope request,
                                  ParameterMap parameterMap,
                                  java.lang.Object parameterObject)

Gets a data array from a parameter object.

Parameters:

request - - the scope of the request

parameterMap - - the parameter map

parameterObject - - the parameter object

Returns:

- the objects

setData

public java.lang.Object setData(RequestScope request,
                                ResultMap resultMap,
                                java.lang.Object resultObject,
                                java.lang.Object[] values)

Sets values from a data array into a result object.

Parameters:

request - - the request scope

resultMap - - the result map

resultObject - - the result object

values - - the values to be mapped

Returns:

the resultObject

setData

public java.lang.Object setData(RequestScope request,
                                ParameterMap parameterMap,
                                java.lang.Object parameterObject,
                                java.lang.Object[] values)

Sets values from a data array into a parameter object

Parameters:

request - - the request scope

parameterMap - - the parameter map

parameterObject - - the parameter object

values - - the values to set

Returns:

parameterObject

getCacheKey

public CacheKey getCacheKey(RequestScope request,
                            ParameterMap parameterMap,
                            java.lang.Object parameterObject)

Returns an object capable of being a unique cache key for a parameter object.

Parameters:

request - - the request scope

parameterMap - - the parameter map

parameterObject - - the parameter object

Returns:

- a cache key