AuxServiceFinder (Starjava VO API)

java.lang.Object
- uk.ac.starlink.vo.AuxServiceFinder

All Implemented Interfaces:

TapServiceFinder
```
public class AuxServiceFinder
extends java.lang.Object
implements TapServiceFinder
```
TapServiceFinder implementation that uses the IVOA Registry along with an "auxiliary" labelling of tableset resources. This is a version of the scheme proposed by Markus Demleitner's IVOA Note "Discovering Data Collections Within Services", version 1.1.

Since:

6 Aug 2015

Author:

Mark Taylor

See Also:

Discovering Data Collections Within Services

Nested Class Summary
- Nested classes/interfaces inherited from interface uk.ac.starlink.vo.TapServiceFinder
  TapServiceFinder.Constraint, TapServiceFinder.Service, TapServiceFinder.Table, TapServiceFinder.Target

Constructor Summary

Constructors
Constructor	Description
`AuxServiceFinder()`	Constructs a default instance.
`AuxServiceFinder(EndpointSet regtapEndpointSet, uk.ac.starlink.util.ContentCoding coding)`	Constructs an instance with custom configuration.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TapServiceFinder.Service[]`	`readAllServices()`	Reads basic metadata about all known TAP services.
`TapServiceFinder.Table[]`	`readSelectedTables(TapServiceFinder.Constraint constraint)`	Locates a list of tables from a global list of all known tables served by all known TAP services that satisfy a given constraint.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AuxServiceFinder
```
public AuxServiceFinder()
```
    Constructs a default instance.
  - AuxServiceFinder
```
public AuxServiceFinder(EndpointSet regtapEndpointSet,
                        uk.ac.starlink.util.ContentCoding coding)
```
    Constructs an instance with custom configuration.
    
    Parameters:
    
    regtapEndpointSet - TAP endpoints for RegTAP service
    
    coding - controls HTTP-level compression during TAP queries
- Method Detail
  - readAllServices
```
public TapServiceFinder.Service[] readAllServices()
                                           throws java.io.IOException
```
    Description copied from interface: TapServiceFinder
    
    Reads basic metadata about all known TAP services. May be slow.
    
    Specified by:
    
    readAllServices in interface TapServiceFinder
    
    Returns:
    
    list of TAP services
    
    Throws:
    
    java.io.IOException
  - readSelectedTables
```
public TapServiceFinder.Table[] readSelectedTables(TapServiceFinder.Constraint constraint)
                                            throws java.io.IOException
```
    Description copied from interface: TapServiceFinder
    
    Locates a list of tables from a global list of all known tables served by all known TAP services that satisfy a given constraint.
    
    Specified by:
    
    readSelectedTables in interface TapServiceFinder
    
    Parameters:
    
    constraint - object indicating the tables of interest
    
    Returns:
    
    list of tables matching constraint
    
    Throws:
    
    java.io.IOException

Class AuxServiceFinder

Nested Class Summary

Nested classes/interfaces inherited from interface uk.ac.starlink.vo.TapServiceFinder

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

AuxServiceFinder

AuxServiceFinder

Method Detail

readAllServices

readSelectedTables