org.formaria.data.pojo
Class PersistentDataBindingContext

java.lang.Object
  org.formaria.aria.DataBindingContext
      org.formaria.data.pojo.PersistentDataBindingContext

public class PersistentDataBindingContext
extends DataBindingContext

Field Summary

protected PersistenceController	pojoContext A class used by Page to manage the pojo data binding coordination
protected boolean	startWorkUnit

Fields inherited from class org.formaria.aria.DataBindingContext

evaluator, modelBindings

Constructor Summary

PersistentDataBindingContext(DataBindingContext parent, PathEvaluator pathEvaluator)
Creates a new PersistentDataBindingContext

Method Summary

int	saveBoundComponentValues() Save the component values to the model, opens a persitent unit of work if required
boolean	startWorkUnit() Gets whether the updating of the bindings should be bounded by the begining and end of a "peristent unit of work".
void	startWorkUnit(boolean state) Sets the value of the startWorkUnit property
int	updateBindings() Iterates all of the bindings in the page to relfect the model state, opens a persistent unit of work if required
int	updateBoundComponentValues() Update UI components with values from the model, opens a persistent unit of work if required

Methods inherited from class org.formaria.aria.DataBindingContext

addBinding, addBindingContext, getBinding, getBinding, getBindings, getParent, removeBinding, updateBinding

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

pojoContext

protected PersistenceController pojoContext

A class used by Page to manage the pojo data binding coordination

Copyright (c) Formaria Ltd., 2008
License: see license.txt

startWorkUnit

protected boolean startWorkUnit

Constructor Detail

PersistentDataBindingContext

public PersistentDataBindingContext(DataBindingContext parent,
                                    PathEvaluator pathEvaluator)

Creates a new PersistentDataBindingContext

Method Detail

updateBoundComponentValues

public int updateBoundComponentValues()

Update UI components with values from the model, opens a persistent unit of work if required

Overrides:

updateBoundComponentValues in class DataBindingContext

Returns:

non zero if errors are detected

updateBindings

public int updateBindings()

Iterates all of the bindings in the page to relfect the model state, opens a persistent unit of work if required

Overrides:

updateBindings in class DataBindingContext

Returns:

non zero if errors are detected

saveBoundComponentValues

public int saveBoundComponentValues()

Save the component values to the model, opens a persitent unit of work if required

Overrides:

saveBoundComponentValues in class DataBindingContext

Returns:

non zero if errors are detected

startWorkUnit

public boolean startWorkUnit()

Gets whether the updating of the bindings should be bounded by the begining and end of a "peristent unit of work".

startWorkUnit

public void startWorkUnit(boolean state)

Sets the value of the startWorkUnit property

Parameters:

true - if the "persistent unit of work" should be started before the bindings are updated, false otherwise