@Override
public ResourceAction perform(ResourceAction resourceAction) throws Exception {
AWSEC2SubnetRouteTableAssociationResourceAction action =
(AWSEC2SubnetRouteTableAssociationResourceAction) resourceAction;
ServiceConfiguration configuration = Topology.lookup(Compute.class);
if (!Boolean.TRUE.equals(action.info.getCreatedEnoughToDelete())) return action;
if (!action.associationIdExistsForDelete(configuration)) return action;
if (!action.routeTableExistsForDelete(configuration)) return action;
if (!action.subnetExistsForDelete(configuration)) return action;
action.disassociateRouteTable(configuration, action.info.getPhysicalResourceId());
return action;
}
