Class GeneratedColumnResolver

java.lang.Object

org.h2.table.GeneratedColumnResolver

All Implemented Interfaces:

ColumnResolver

class GeneratedColumnResolver
extends Object
implements ColumnResolver

Column resolver for generated columns.

Field Summary

Fields

Modifier and Type	Field	Description
private HashMap<String,Column>	columnMap
private Column[]	columns
private Row	current
private final Table	table

Constructor Summary

Constructors

Constructor	Description
GeneratedColumnResolver(Table table)	Column resolver for generated columns.

Method Summary

Modifier and Type	Method	Description
private Column[]	createColumns()
Column	findColumn(String name)	Get the column with the specified name.
Column[]	getColumns()	Get the column list.
Column	getRowIdColumn()	Get the row id pseudo column, if there is one.
Value	getValue(Column column)	Get the value for the given column.
(package private) void	set(Row current)	Set the current row.

Methods inherited from class Object

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

Methods inherited from interface ColumnResolver

getColumnName, getSchemaName, getSelect, getSystemColumns, getTableAlias, getTableFilter, hasDerivedColumnList, optimize

Field Details

table

private final Table table

columns

private Column[] columns

columnMap

private HashMap<String,Column> columnMap

current

private Row current

Constructor Details

GeneratedColumnResolver

GeneratedColumnResolver(Table table)

Column resolver for generated columns.

Parameters:

table - the table

Method Details

set

void set(Row current)

Set the current row.

Parameters:

current - the current row

getColumns

public Column[] getColumns()

Description copied from interface: ColumnResolver

Get the column list.

Specified by:

getColumns in interface ColumnResolver

Returns:

the column list

createColumns

private Column[] createColumns()

findColumn

public Column findColumn(String name)

Description copied from interface: ColumnResolver

Get the column with the specified name.

Specified by:

findColumn in interface ColumnResolver

Parameters:

name - the column name, must be a derived name if this column resolver has a derived column list

Returns:

the column with the specified name, or null

getValue

public Value getValue(Column column)

Description copied from interface: ColumnResolver

Get the value for the given column.

Specified by:

getValue in interface ColumnResolver

Parameters:

column - the column

Returns:

the value

getRowIdColumn

public Column getRowIdColumn()

Description copied from interface: ColumnResolver

Get the row id pseudo column, if there is one.

Specified by:

getRowIdColumn in interface ColumnResolver

Returns:

the row id column or null