# Interface ValueExp

All Superinterfaces:
  `Serializable`

All Known Implementing Classes:
  `AttributeValueExp, StringValueExp`

public interface ValueExp extends Serializable
Represents values that can be passed as arguments to relational expressions. Strings, numbers, attributes are valid values and should be represented by implementations of `ValueExp`.

Since:
  1.5

- ## Method Summary

  Modifier and Type
  Method
  Description
  `ValueExp`
  `apply(ObjectName name)`
  Applies the ValueExp on a MBean.
  `void`
  `setMBeanServer(MBeanServer s)`
  Deprecated.
  This method is not needed because a `ValueExp` can access the MBean server in which it is being evaluated by using `QueryEval.getMBeanServer()`.

- ## Method Details

  - ### apply

    ValueExp apply(ObjectName name) throws BadStringOperationException, BadBinaryOpValueExpException, BadAttributeValueExpException, InvalidApplicationException
    Applies the ValueExp on a MBean.
    Parameters:
      `name` - The name of the MBean on which the ValueExp will be applied.
    Returns:
      The `ValueExp`.
    Throws:
      `BadStringOperationException` - when an invalid string operation is passed to a method for constructing a query
      `BadBinaryOpValueExpException` - when an invalid expression is passed to a method for constructing a query
      `BadAttributeValueExpException` - when an invalid MBean attribute is passed to a query constructing method
      `InvalidApplicationException` - when an invalid apply is attempted

  - ### setMBeanServer

    @Deprecated void setMBeanServer(MBeanServer s)
    Deprecated.
    This method is not needed because a `ValueExp` can access the MBean server in which it is being evaluated by using `QueryEval.getMBeanServer()`.
    Sets the MBean server on which the query is to be performed.
    Parameters:
      `s` - The MBean server on which the query is to be performed.