check if this is a new bean , or if the bean is already persisted . concode_field_sep long serialVersionUID concode_field_sep int hashCode concode_elem_sep boolean equals concode_elem_sep void setId concode_elem_sep void preCreate concode_elem_sep void preDelete concode_elem_sep IBeanCUDEvent createEvent concode_elem_sep ID getId concode_elem_sep void preUpdate concode_elem_sep void postCreate
boolean function ( ) { return getId ( ) == null ; }