Package uk.ac.starlink.table
Class ProgressLineStarTable
- java.lang.Object
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- uk.ac.starlink.table.WrapperStarTable
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- uk.ac.starlink.table.ProgressLineStarTable
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- All Implemented Interfaces:
StarTable
public class ProgressLineStarTable extends WrapperStarTable
A WrapperStarTable which behaves the same as its base, except that any RowSequence taken out on it will display an ASCII progress line on a terminal describing how far through the table it's got. It might decide not to do this if the table is very short.- Author:
- Mark Taylor (Starlink)
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Field Summary
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Fields inherited from class uk.ac.starlink.table.WrapperStarTable
baseTable
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Constructor Summary
Constructors Constructor Description ProgressLineStarTable(StarTable baseTable, java.io.PrintStream out)
Constructs a new ProgressLineStarTable.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description RowSequence
getRowSequence()
Returns an object which can iterate over all the rows in the table sequentially.-
Methods inherited from class uk.ac.starlink.table.WrapperStarTable
checkedLongToInt, getBaseTable, getCell, getColumnAuxDataInfos, getColumnCount, getColumnInfo, getName, getParameterByName, getParameters, getRow, getRowCount, getURL, isRandom, setName, setParameter, setURL, toString
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Constructor Detail
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ProgressLineStarTable
public ProgressLineStarTable(StarTable baseTable, java.io.PrintStream out)
Constructs a new ProgressLineStarTable.- Parameters:
baseTable
- the base tableout
- stream on which progress will be written - this should preferably be terminal-like, since it's going to have things like carriage-returns ('\r') written to it
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Method Detail
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getRowSequence
public RowSequence getRowSequence() throws java.io.IOException
Description copied from interface:StarTable
Returns an object which can iterate over all the rows in the table sequentially.- Specified by:
getRowSequence
in interfaceStarTable
- Overrides:
getRowSequence
in classWrapperStarTable
- Returns:
- an object providing sequential access to the table data
- Throws:
java.io.IOException
- if there is an error providing access
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