ExpressionToken token = _tokenArray[_tokens.size() - 1];
if(LOGGER.isDebugEnabled()) LOGGER.debug("Update leaf token: " + token + " on object: " + branch);
// apply value
token.update(branch, newValue);
}
/* todo: perf. this could be done more effectively / efficiently */
public String changeContext(String oldContext, String newContext, Object index) {
String thisExpr = getExpressionString();