List<String> params = new ArrayList<String>();
if(query != null && query.getWhereClause() != null)
{
Clause whereClause = query.getWhereClause();
SimpleNavigatorCollectorVisitor collector = new SimpleNavigatorCollectorVisitor(getCustomField().getClauseNames().getJqlFieldNames());
whereClause.accept(collector);
List<TerminalClause> clauseList = collector.getClauses();
for(TerminalClause clause : clauseList)
{
Operand operand = clause.getOperand();