Package org.ivoa.dm.regtap

Class Column.ColumnBuilder

java.lang.Object

org.ivoa.dm.regtap.Column.ColumnBuilder

Enclosing class:

Column

public static class Column.ColumnBuilder
extends Object

A builder class for Column, mainly for use in the functional builder pattern.

Field Summary

Fields

Modifier and Type	Field	Description
String	arraysize	The shape of the array that constitutes the value, e.g., 4, *, 4*, 5x4, or 5x*, as specified by VOTable.
String	column_description	A free-text description of the column's contents.
String	datatype	The type of the data contained in the column.
String	delim	The ivoa:string that is used to delimit elements of an array value when arraysize is not '1'.
String	extended_schema	An identifier for the schema that the value given by the extended attribute is drawn from.
String	extended_type	A custom type for the values this column contains.
String	flag	Hash-separated keywords representing traits of the column.
String	name	The name of the column.
Integer	std	If 1, the meaning and use of this column is reserved and defined by a standard model.
Integer	table_index	Index of the table this column belongs to.
String	type_system	The type system used, as a QName with a canonical prefix; this will ususally be one of vs:simpledatatype, vs:votabletype, and vs:taptype.
String	ucd	A unified content descriptor that describes the scientific content of the column.
String	unit	The unit associated with all values in the column.
String	utype	An identifier for a role in a data model that the data in this column represents.

Constructor Summary

Constructors

Constructor	Description
ColumnBuilder()

Method Summary

Modifier and Type	Method	Description
Column	create()	create a Column from this builder.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

table_index

public Integer table_index

Index of the table this column belongs to.

name

public String name

The name of the column.

ucd

public String ucd

A unified content descriptor that describes the scientific content of the column.

unit

public String unit

The unit associated with all values in the column.

utype

public String utype

An identifier for a role in a data model that the data in this column represents.

std

public Integer std

If 1, the meaning and use of this column is reserved and defined by a standard model. If 0, it represents a database-specific column that effectively extends beyond the standard.

datatype

public String datatype

The type of the data contained in the column.

extended_schema

public String extended_schema

An identifier for the schema that the value given by the extended attribute is drawn from.

extended_type

public String extended_type

A custom type for the values this column contains.

arraysize

public String arraysize

The shape of the array that constitutes the value, e.g., 4, *, 4*, 5x4, or 5x*, as specified by VOTable.

delim

public String delim

The ivoa:string that is used to delimit elements of an array value when arraysize is not '1'.

type_system

public String type_system

The type system used, as a QName with a canonical prefix; this will ususally be one of vs:simpledatatype, vs:votabletype, and vs:taptype.

flag

public String flag

Hash-separated keywords representing traits of the column. Recognized values include 'indexed', 'primary', and 'nullable'.

column_description

public String column_description

A free-text description of the column's contents.

Constructor Details

ColumnBuilder

public ColumnBuilder()

Method Details

create

public Column create()

create a Column from this builder.

Returns:

an object initialized from the builder.