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java.lang.Objectuk.ac.starlink.ttools.filter.BasicFilter
uk.ac.starlink.ttools.filter.MetadataFilter
public class MetadataFilter
Filter for extracting column metadata.
Field Summary | |
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static uk.ac.starlink.table.ValueInfo |
CLASS_INFO
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static uk.ac.starlink.table.ValueInfo |
DESCRIPTION_INFO
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static uk.ac.starlink.table.ValueInfo |
INDEX_INFO
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static uk.ac.starlink.table.ValueInfo[] |
KNOWN_INFOS
All known metadata items. |
static uk.ac.starlink.table.ValueInfo |
NAME_INFO
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static uk.ac.starlink.table.ValueInfo |
SHAPE_INFO
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static uk.ac.starlink.table.ValueInfo |
UCD_INFO
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static uk.ac.starlink.table.ValueInfo |
UCDDESC_INFO
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static uk.ac.starlink.table.ValueInfo |
UNIT_INFO
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Constructor Summary | |
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MetadataFilter()
Constructor. |
Method Summary | |
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ProcessingStep |
createStep(Iterator argIt)
Creates a new ProcessingStep based on a sequence of command-line arguments. |
protected String[] |
getDescriptionLines()
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static uk.ac.starlink.util.MapGroup |
metadataMapGroup(uk.ac.starlink.table.StarTable table)
Constructs a MapGroup containing column metadata of a given table. |
Methods inherited from class uk.ac.starlink.ttools.filter.BasicFilter |
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explainSyntax, getDescription, getName, getUsage |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final uk.ac.starlink.table.ValueInfo INDEX_INFO
public static final uk.ac.starlink.table.ValueInfo NAME_INFO
public static final uk.ac.starlink.table.ValueInfo CLASS_INFO
public static final uk.ac.starlink.table.ValueInfo SHAPE_INFO
public static final uk.ac.starlink.table.ValueInfo UNIT_INFO
public static final uk.ac.starlink.table.ValueInfo DESCRIPTION_INFO
public static final uk.ac.starlink.table.ValueInfo UCD_INFO
public static final uk.ac.starlink.table.ValueInfo UCDDESC_INFO
public static final uk.ac.starlink.table.ValueInfo[] KNOWN_INFOS
Constructor Detail |
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public MetadataFilter()
Method Detail |
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protected String[] getDescriptionLines()
getDescriptionLines
in class BasicFilter
public ProcessingStep createStep(Iterator argIt) throws ArgException
ProcessingFilter
If the argument list is badly-formed as far as this filter is
concerned, an ArgException
should be thrown.
If its usageFrament
is blank, it will be filled in
later using this mode's usage text.
argIt
- iterator over command-line arguments positioned
at the first one
ArgException
public static uk.ac.starlink.util.MapGroup metadataMapGroup(uk.ac.starlink.table.StarTable table)
table
- the table for which to extract metadata
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