public void persistFieldChange(String fieldName, Object newValue) {
try {
page.persistFieldChange(this, fieldName, newValue);
} catch (Exception ex) {
throw new TapestryException(
StructureMessages.fieldPersistFailure(getCompleteId(), fieldName, ex), getLocation(), ex);
}
}
public Object getRenderVariable(String name) {
Map<String, Object> variablesMap = getRenderVariables(false);
Object result = InternalUtils.get(variablesMap, name);
if (result == null) {
throw new IllegalArgumentException(
StructureMessages.missingRenderVariable(
getCompleteId(), name, variablesMap == null ? null : variablesMap.keySet()));
}
return result;
}