/*
* Prepare a query specification with the property and input parameter values,
* for use by an ODA driver before IQuery#prepare.
*/
@SuppressWarnings("restriction")
private QuerySpecification populateQuerySpecification() throws DataException {
if (this.querySpecificaton == null) {
QuerySpecHelper querySpecHelper = new QuerySpecHelper(dataSource.getDriverName(), queryType);
this.querySpecificaton = querySpecHelper.getFactoryHelper().createQuerySpecification();
}
// add custom properties
addPropertiesToQuerySpec(querySpecificaton);
// add parameter defns
addParametersToQuerySpec(querySpecificaton);
return querySpecificaton;
}
/** Adds input parameter values to the QuerySpecification. */
@SuppressWarnings("restriction")
private void addParametersToQuerySpec(QuerySpecification querySpec) throws DataException {
if (this.parameterHints == null) return; // nothing to add
// iterate thru the collection to add parameter hints
Iterator it = this.parameterHints.iterator();
while (it.hasNext()) {
ParameterHint parameterHint = (ParameterHint) it.next();
// If the parameter is input parameter, add its value to query spec
if (parameterHint.isInputMode()) {
Object inputValue = getParameterInputValue(parameterHint);
QuerySpecHelper.setParameterValue(querySpec, parameterHint, inputValue);
}
}
}