uk.ac.starlink.parquet

Interface MamlMetadata.Field

Enclosing interface:

MamlMetadata

public static interface MamlMetadata.Field

Contains metadata about a column.

Method Summary

Modifier and Type	Method and Description
int	getColSize() Returns the fixed length of an array-valued column.
java.lang.String	getInfo() Returns column description.
java.lang.String	getUcd() Returns column UCD.
java.lang.String	getUnit() Returns column unit.

Method Detail

getUnit

java.lang.String getUnit()

Returns column unit.

Returns:

value of "unit" entry in field

getInfo

java.lang.String getInfo()

Returns column description.

Returns:

value of "info" entry in field

getUcd

java.lang.String getUcd()

Returns column UCD. Although MAML permits multiple UCDs per field, this interface does not.

Returns:

value of "ucd" entry in field, if it's a scalar

getColSize

int getColSize()

Returns the fixed length of an array-valued column. This is the value of the MAML v1.2 "col_size" item for vector, not exploded, columns.

Returns:

value of "col_size" entry in field, or -1 if not present