Examples with PreOrPostOrderNavigator org.teiid.query.sql.navigator.PreOrPostOrderNavigator used on opensource projects

Example 6 with PreOrPostOrderNavigator

use of org.teiid.query.sql.navigator.PreOrPostOrderNavigator in project teiid by teiid.

the class GroupCollectorVisitor method getGroupsIgnoreInlineViewsAndEvaluatableSubqueries.

/**
 * Helper to quickly get the groups from obj in the groups collection
 * @param obj Language object
 * @param elements Collection to collect groups in
 */
public static void getGroupsIgnoreInlineViewsAndEvaluatableSubqueries(LanguageObject obj, Collection<GroupSymbol> groups) {
    GroupCollectorVisitor visitor = new GroupCollectorVisitor(groups);
    visitor.setIgnoreInlineViewGroups(true);
    PreOrPostOrderNavigator nav = new PreOrPostOrderNavigator(visitor, PreOrPostOrderNavigator.PRE_ORDER, true);
    nav.setSkipEvaluatable(true);
    obj.acceptVisitor(nav);
    if (visitor.getInlineViewGroups() != null) {
        groups.removeAll(visitor.getInlineViewGroups());
    }
}