Package uk.ac.starlink.table.gui
Interface TableLoader
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public interface TableLoader
Interface defining an object which can load tables.- Since:
- 13 Sept 2010
- Author:
- Mark Taylor
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Field Summary
Fields Modifier and Type Field Description static ValueInfo
SOURCE_INFO
Table parameter key which may be used to provide information about the source of a loaded table.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.String
getLabel()
Returns a short textual label describing what is being loaded.TableSequence
loadTables(StarTableFactory tfact)
Loads one or more tables.
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Field Detail
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SOURCE_INFO
static final ValueInfo SOURCE_INFO
Table parameter key which may be used to provide information about the source of a loaded table. This is a string-type info with the name "LOAD_SOURCE". If present it should be used in preference to the result ofgetLabel()
to label the table for users.
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Method Detail
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getLabel
java.lang.String getLabel()
Returns a short textual label describing what is being loaded. This may be presented to a waiting user.- Returns:
- load label
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loadTables
TableSequence loadTables(StarTableFactory tfact) throws java.io.IOException
Loads one or more tables. If this loader wishes to label the tables in the returned sequence to describe their source, it may set a table parameter with theSOURCE_INFO
key, for instance:table.setParameter(new DescribedValue(TableLoader.SOURCE_INFO, "Foo protocol query #1"))
This is optional; for instance if a table name is set that may provide sufficient description.This method may be time-consuming, and should not be called on the event dispatch thread.
- Parameters:
tfact
- table factory- Returns:
- loaded tables
- Throws:
java.io.IOException
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