Examples of com.neemsoft.jmep.Expression.evaluate()

com.neemsoft.jmep.Expression.evaluate()

  }


  private float doEvaluateCalculation(String calculation) throws ParseException {
    try {
      Expression exp = new Expression(calculation, env);
      Object result = exp.evaluate();
      if (result instanceof Double) {
        return ((Double) result).floatValue();
      } else if (result instanceof Integer) {
        return ((Integer) result).floatValue();
      } else throw new ArgumentParseException("Parse exception: expected Double or Integer, but got:"

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   * @return true if condition matches, false otherwhise
   */
  private boolean doEvaluateCondition(String condition) throws ParseException {
    try {
      Expression exp = new Expression(condition, env);
      Object result = exp.evaluate();
      if (result instanceof Double) {
        return (((Double) result).doubleValue() == 1.0) ? true : false;
      } else if (result instanceof Integer) {
        return (((Integer) result).intValue() == 1) ? true : false;
      } else return false;

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       * syntaxTestExpression should never be called directly or in a non editor
       * environment.
       */
      String conditionString = condExpr.getExptressionString();
      Expression exp = new Expression(conditionString, env);
      exp.evaluate();
      Exception[] condExceptions = condExpr.getExceptions();
      ConditionErrorMessage[] cems = null;
      if (condExceptions != null && condExceptions.length > 0) {
        // create an error message from the first error in the expression
        cems=new ConditionErrorMessage[condExceptions.length];

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   * @deprecated TODO: remove as it is no longer referenced, except test?
   */
  public ConditionErrorMessage syntaxTestCalculation(String expression) {
    try {
      Expression exp = new Expression(expression, env);
      exp.evaluate();
    } catch (Exception e) {
      return handleExpressionExceptions(e);
    }
    return null;
  }

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