uk.ac.starlink.vo

Interface RegistryQueryFactory

All Known Implementing Classes:

KeywordServiceQueryFactory

public interface RegistryQueryFactory

Defines how a registry query is obtained for the RegistryPanel.

Since:

19 Dec 2008

Author:

Mark Taylor

Method Summary

Modifier and Type	Method and Description
void	addEntryListener(ActionListener listener) Adds a listener which will be notified when the user has entered a query.
JComponent	getComponent() May return a component which the user can interact with to select a query.
RegistryQuery	getIdListQuery(String[] ivoids) Returns a registry query suitable for this query factory which queries a given list of IVO identifiers.
RegistryQuery	getQuery() Returns the currently selected query.
RegistrySelector	getRegistrySelector() Returns the registry component object associated with this object.
void	removeEntryListener(ActionListener listener) Removes a listener previously added by addEntryListener(java.awt.event.ActionListener).

Method Detail

getQuery

RegistryQuery getQuery()
                throws IOException

Returns the currently selected query.

Returns:

query object

Throws:

IOException

getComponent

JComponent getComponent()

May return a component which the user can interact with to select a query. If it returns null, this factory is considered to be non-interactive (only capable of supplying a single fixed query).

Returns:

GUI component for query selection, or null

getIdListQuery

RegistryQuery getIdListQuery(String[] ivoids)
                      throws MalformedURLException

Returns a registry query suitable for this query factory which queries a given list of IVO identifiers.

Parameters:

ivoids - ivo:-type resource identifiers

Returns:

registry query whose results are suitable for a result of this query factory; may be null

Throws:

MalformedURLException

getRegistrySelector

RegistrySelector getRegistrySelector()

Returns the registry component object associated with this object.

Returns:

registry selector

addEntryListener

void addEntryListener(ActionListener listener)

Adds a listener which will be notified when the user has entered a query.

Parameters:

listener - listener

removeEntryListener

void removeEntryListener(ActionListener listener)

Removes a listener previously added by addEntryListener(java.awt.event.ActionListener).

Parameters:

listener - listener