public static DescribeServicesResponseType describeService(final DescribeServicesType request) {
final DescribeServicesResponseType reply = request.getReply();
Topology.touch(request);
if (request.getServices().isEmpty()) {
final ComponentId compId =
(request.getByServiceType() != null)
? ComponentIds.lookup(request.getByServiceType().toLowerCase())
: Empyrean.INSTANCE;
final boolean showEventStacks = Boolean.TRUE.equals(request.getShowEventStacks());
final boolean showEvents = Boolean.TRUE.equals(request.getShowEvents()) || showEventStacks;
final Function<ServiceConfiguration, ServiceStatusType> transformToStatus =
ServiceConfigurations.asServiceStatus(showEvents, showEventStacks);
final List<Predicate<ServiceConfiguration>> filters =
new ArrayList<Predicate<ServiceConfiguration>>() {
{
if (request.getByPartition() != null) {
Partitions.exists(request.getByPartition());
this.add(Filters.partition(request.getByPartition()));
}
if (request.getByState() != null) {
final Component.State stateFilter =
Component.State.valueOf(request.getByState().toUpperCase());
this.add(Filters.state(stateFilter));
}
if (!request.getServiceNames().isEmpty()) {
this.add(Filters.name(request.getServiceNames()));
}
this.add(Filters.host(request.getByHost()));
this.add(
Filters.listAllOrInternal(
request.getListAll(),
request.getListUserServices(),
request.getListInternal()));
}
};
final Predicate<Component> componentFilter = Filters.componentType(compId);
final Predicate<ServiceConfiguration> configPredicate = Predicates.and(filters);
List<ServiceConfiguration> replyConfigs = Lists.newArrayList();
for (final Component comp : Components.list()) {
if (componentFilter.apply(comp)) {
Collection<ServiceConfiguration> acceptedConfigs =
Collections2.filter(comp.services(), configPredicate);
replyConfigs.addAll(acceptedConfigs);
}
}
ImmutableList<ServiceConfiguration> sortedReplyConfigs =
ServiceOrderings.defaultOrdering().immutableSortedCopy(replyConfigs);
final Collection<ServiceStatusType> transformedReplyConfigs =
Collections2.transform(sortedReplyConfigs, transformToStatus);
reply.getServiceStatuses().addAll(transformedReplyConfigs);
} else {
for (ServiceId s : request.getServices()) {
reply.getServiceStatuses().add(TypeMappers.transform(s, ServiceStatusType.class));
}
}
return reply;
}
public DescribeServicesResponseType user(final DescribeServicesType request) {
final DescribeServicesResponseType reply = request.getReply();
/**
* Only show public services to normal users. Allow for filtering by component and state w/in
* that set.
*/
final List<Predicate<ServiceConfiguration>> filters =
new ArrayList<Predicate<ServiceConfiguration>>() {
{
this.add(Filters.publicService());
if (request.getByPartition() != null) {
this.add(Filters.partition(request.getByPartition()));
}
if (request.getByState() != null) {
this.add(
Filters.state(Component.State.valueOf(request.getByState().toUpperCase())));
}
}
};
final Predicate<Component> componentFilter =
(Predicate<Component>)
(request.getByServiceType() != null
? Filters.componentType(
ComponentIds.lookup(request.getByServiceType().toLowerCase()))
: Predicates.alwaysTrue());
final Predicate<ServiceConfiguration> configPredicate = Predicates.and(filters);
final Collection<ServiceConfiguration> replyConfigs = Lists.newArrayList();
for (final Component comp : Iterables.filter(Components.list(), componentFilter)) {
replyConfigs.addAll(Collections2.filter(comp.services(), configPredicate));
}
final ImmutableList<ServiceConfiguration> sortedReplyConfigs =
ServiceOrderings.defaultOrdering().immutableSortedCopy(replyConfigs);
final Collection<ServiceStatusType> replyStatuses =
Collections2.transform(
sortedReplyConfigs, ServiceConfigurations.asServiceStatus(false, false));
reply.getServiceStatuses().addAll(replyStatuses);
return reply;
}