the amazon ec2 availability zone for the job flow . concode_field_sep String availabilityZone concode_field_sep void setAvailabilityZone concode_elem_sep int hashCode concode_elem_sep boolean equals concode_elem_sep PlacementType clone concode_elem_sep String toString concode_elem_sep String getAvailabilityZone
PlacementType function ( String arg0 ) { setAvailabilityZone ( arg0 ) ; return this ; }