Package org.apache.activemq.artemis.selector.filter

## Interface BooleanExpression

- All Superinterfaces:
    `Expression`
  All Known Implementing Classes:
    `ComparisonExpression`, `LogicExpression`, `XPathExpression`, `XQueryExpression`

      public interface BooleanExpression
      extends Expression

  A BooleanExpression is an expression that always produces a Boolean result.
  Version:
    $Revision: 1.2 $

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `boolean` | `matches​(Filterable message)` |

    - ### Methods inherited from interface org.apache.activemq.artemis.selector.filter.Expression

      `evaluate`

- - ### Method Detail

    - #### matches

          boolean matches​(Filterable message)
                   throws FilterException

      Parameters:
        `message` -
      Returns:
        true if the expression evaluates to Boolean.TRUE.
      Throws:
        `FilterException`