# Package com.zfabrik.util.expression

- Class Summary
  Class | Description
  --- | ---
  X | Simple boolean expression language as a Java expressed DSL.
  X.And | "AND" logical operator
  X.BinaryOp | Abstract binary operators
  X.Eq | "equality" comparison operator.
  X.Ge | "greater or equal" comparison operator.
  X.Gt | "greater than" comparison operator.
  X.In | "containment" operator.
  X.Le | "less or equal" comparison operator.
  X.Lt | "less than" comparison operator.
  X.Neq | "not equals" comparison operator.
  X.Not | Negation logical operator
  X.Or | "OR" logical operator
  X.UnaryOp | Abstract single-operand operator
  X.Val | Explicit value.
  X.Var | Variable of field value operator.
  X.Xor | "XOR" logical operator