String expr = _model.getSearchExpression(description);
ConversationModel cmodel = _frameworkModel.getConversationModel();
int count = cmodel.getConversationCount();
for (int i=0; i<count; i++) {
id = cmodel.getConversationAt(i);
Request request = cmodel.getRequest(id);
Response response = cmodel.getResponse(id);
String origin = cmodel.getConversationOrigin(id);
boolean matches = matches(id, request, response, origin, expr);
_model.setSearchMatch(id, description, matches);
}