checks if the operator of this indexexpression is a contains operator . concode_field_sep ByteBuffer column concode_elem_sep ByteBuffer value concode_elem_sep Operator operator concode_field_sep void writeTo concode_elem_sep IndexExpression readFrom concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep String toString concode_elem_sep boolean isContainsKey
boolean function ( ) { return Operator . CONTAINS == operator ; }