/**
* Adapts a model oda data set handle
*
* @param modelDataSet model handle
* @param propBindingScope Javascript scope in which to evaluate property binding expressions. If
* null, property binding is not resolved
* @throws BirtException
*/
public OdaDataSetAdapter(
OdaDataSetHandle modelDataSet,
Scriptable propBindingScope,
ModelAdapter adapter,
DataEngineContext dtContext)
throws BirtException {
super(modelDataSet.getQualifiedName());
// TODO: event handler
// Adapt base class properties
DataAdapterUtil.adaptBaseDataSet(modelDataSet, this, adapter);
// Adapt extended data set elements
// Set query text; if binding exists, use its result; otherwise
// use static design
Expression expression = modelDataSet.getPropertyBindingExpression(OdaDataSet.QUERY_TEXT_PROP);
org.eclipse.birt.data.engine.api.querydefn.ScriptExpression script =
adapter.adaptExpression(expression);
if (propBindingScope != null
&& script != null
&& DataSessionContext.MODE_UPDATE != dtContext.getMode()) {
String queryText =
JavascriptEvalUtil.evaluateScript(
null, propBindingScope, script.getText(), ScriptExpression.defaultID, 0)
.toString();
setQueryText(queryText);
} else {
setQueryText(modelDataSet.getQueryText());
}
// type of extended data set
setExtensionID(modelDataSet.getExtensionID());
// result set name
setPrimaryResultSetName(modelDataSet.getResultSetName());
if (modelDataSet.getPropertyHandle(IOdaDataSetModel.RESULT_SET_NUMBER_PROP).isSet())
setPrimaryResultSetNumber(modelDataSet.getResultSetNumber());
// static ROM properties defined by the ODA driver extension
Map staticProps =
DataAdapterUtil.getExtensionProperties(
modelDataSet, modelDataSet.getExtensionPropertyDefinitionList());
if (staticProps != null && !staticProps.isEmpty()) {
Iterator propNamesItr = staticProps.keySet().iterator();
while (propNamesItr.hasNext()) {
String propName = (String) propNamesItr.next();
assert (propName != null);
String propValue;
String bindingExpr = modelDataSet.getPropertyBinding(propName);
if (propBindingScope != null && bindingExpr != null && bindingExpr.length() > 0) {
propValue =
JavascriptEvalUtil.evaluateScript(
null, propBindingScope, bindingExpr, ScriptExpression.defaultID, 0)
.toString();
} else {
propValue = (String) staticProps.get(propName);
}
addPublicProperty((String) propName, propValue);
}
}
// private driver properties / private runtime data
Iterator elmtIter = modelDataSet.privateDriverPropertiesIterator();
if (elmtIter != null) {
while (elmtIter.hasNext()) {
ExtendedPropertyHandle modelProp = (ExtendedPropertyHandle) elmtIter.next();
addPrivateProperty(modelProp.getName(), modelProp.getValue());
}
}
}
