public class DataControlFactoryImpl extends DataControlFactoryImpl
VAL_MODE_ALWAYS_STR, VAL_MODE_NEVER_STR, VAL_MODE_REMOTE_STR
APP_PARAM_COOKIE_PROPERTIES, APP_PARAM_ENV_INFO, APP_PARAM_HTTP_SESSION, APP_PARAM_POOL_PROPERTIES, APP_PARAM_REQUEST_CONTEXT, APP_PARAMS_BINDING_CONTEXT
Constructor and Description |
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DataControlFactoryImpl() |
Modifier and Type | Method and Description |
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DataControl |
createSession(BindingContext ctx,
java.lang.String sName,
java.util.Map appParams,
java.util.Map parameters)
The DataControl developer should implement createSession to return an
instance of
DataControl . |
protected DCPlaceholderDataControl |
instantiateDataControl() |
createSession, getDataControlClassName
public DataControl createSession(BindingContext ctx, java.lang.String sName, java.util.Map appParams, java.util.Map parameters)
DataControlFactory
DataControl
. For example, the
JavaBean DataControl implements DataControlFactoryImpl
to return an instance of DCGenericDataControl
.
The data binding framework will typically invoke this method once, at the beginning of a new application session. The DataControl factory implementation to use is determined by the DataControl definition.
createSession
in interface DataControlFactory
createSession
in class DataControlFactoryImpl
ctx
- The BindingContext for which the DataControl is being createdsName
- The DataControl name as specified in the DataControl definitionappParams
- Additional application createSession contextparameters
- A Map containing name/value pairs of the properties
defined in the DataControl definition
The framework may pass additional context in the applicationParams Map. For example, in the case of a HttpSession, the framework will add the current HttpSession to the applicationParams Map.
protected DCPlaceholderDataControl instantiateDataControl()