/**
     * Matches the given bank transaction with a map of references: 
     * 
     * If the transaction's field "information to account owner" contains the reference, the related 
     * BusinessObject will be memorised, i.e. a list of all matching entries will be returned.
     * 
     * @note A more sophisticated, application specific, behaviour might be implemented in
     * dedicated subclasses
     * 
     * @param boBankTransaction a BusinessObject of type <code>BankTransaction</code>
     * @param mpReferences a map of references to be matched
     * @return a list of all BusinessObject that relate to a matching reference
     * 
     * @throws BusinessException might be thrown by implementing classes in case of errors or other exceptions
     */
    protected List<T> findMatchingReferences(final BankTransaction boBankTransaction, 
        final Map<T, String> mpReferences) 
    throws 
        BusinessException        
    {
        final ArrayList<T> lstMatchingReferences = new ArrayList<T>();
        final Set<T> stReferencedBusinessObjects = mpReferences.keySet();
        
        // Check, if a matching reference exists...
        for (final T businessObject : stReferencedBusinessObjects) {
            final String strReference = mpReferences.get(businessObject);
            
            logTrace("checking \"" + strReference + "\"...");
                
            if (strReference != null || strReference.trim().length() == 0) {
                if (boBankTransaction.getRemittanceInformation().indexOf(strReference) >= 0) {
                    log("matching reference found: " + strReference);
                 
                    lstMatchingReferences.add(businessObject);
                }
            } else {
                logWarn("");
            }
        }
        return lstMatchingReferences;
    }