/**
* clear unused column hints
*
* @throws BirtException
*/
private final void clearUnusedColumnHints(DataSetHandle dataSetHandle, IResultMetaData metaData)
throws BirtException {
PropertyHandle handle = dataSetHandle.getPropertyHandle(DataSetHandle.COLUMN_HINTS_PROP);
if (handle != null && handle.getListValue() != null) {
ArrayList list = handle.getListValue();
int count = list.size();
for (int n = count - 1; n >= 0; n--) {
ColumnHint hint = (ColumnHint) list.get(n);
String columnName =
(String) hint.getProperty(handle.getModule(), ColumnHint.COLUMN_NAME_MEMBER);
String alias = (String) hint.getProperty(handle.getModule(), ColumnHint.ALIAS_MEMBER);
boolean found = false;
if (!isEmpty(hint, handle.getModule().getModuleHandle())) {
for (int m = 0; m < metaData.getColumnCount() && !found; m++) {
String name = metaData.getColumnName(m + 1);
if (name != null && (name.equals(columnName)) || name.equals(alias)) {
found = true;
break;
}
}
if (!found) {
try {
// remove the item
handle.removeItem(hint);
} catch (PropertyValueException e) {
}
}
}
}
}
}
/**
* Removes the filter condition.
*
* @param fc the filter condition structure
* @throws SemanticException if the given condition doesn't exist in the filters
*/
public void removeFilter(FilterCondition fc) throws SemanticException {
PropertyHandle propHandle = getPropertyHandle(FILTER_PROP);
propHandle.removeItem(fc);
}