Package org.apache.calcite.jdbc

Class CalciteMetaColumnFactoryImpl

java.lang.Object

org.apache.calcite.jdbc.CalciteMetaColumnFactoryImpl

All Implemented Interfaces:

CalciteMetaColumnFactory

public class CalciteMetaColumnFactoryImpl
extends Object
implements CalciteMetaColumnFactory

Default implementation of CalciteMetaColumnFactoryImpl.

Field Summary

Fields

Modifier and Type	Field	Description
static final CalciteMetaColumnFactoryImpl	INSTANCE	Singleton instance.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	CalciteMetaColumnFactoryImpl()	Internal constructor; protected to allow subclassing.

Method Summary

Modifier and Type	Method	Description
org.apache.calcite.avatica.MetaImpl.MetaColumn	createColumn(Table table, String tableCat, String tableSchem, String tableName, String columnName, int dataType, String typeName, Integer columnSize, @Nullable Integer decimalDigits, int numPrecRadix, int nullable, Integer charOctetLength, int ordinalPosition, String isNullable)	Instantiates a MetaColumn.
Class<? extends org.apache.calcite.avatica.MetaImpl.MetaColumn>	getMetaColumnClass()	Returns the type of object created.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.calcite.jdbc.CalciteMetaColumnFactory

getColumnNames

Field Details

INSTANCE

public static final CalciteMetaColumnFactoryImpl INSTANCE

Singleton instance.

Constructor Details

CalciteMetaColumnFactoryImpl

protected CalciteMetaColumnFactoryImpl()

Internal constructor; protected to allow subclassing.

Method Details

createColumn

public org.apache.calcite.avatica.MetaImpl.MetaColumn createColumn(Table table,
 String tableCat,
 String tableSchem,
 String tableName,
 String columnName,
 int dataType,
 String typeName,
 Integer columnSize,
 @Nullable Integer decimalDigits,
 int numPrecRadix,
 int nullable,
 Integer charOctetLength,
 int ordinalPosition,
 String isNullable)

Description copied from interface: CalciteMetaColumnFactory

Instantiates a MetaColumn.

Specified by:

createColumn in interface CalciteMetaColumnFactory

getMetaColumnClass

public Class<? extends org.apache.calcite.avatica.MetaImpl.MetaColumn> getMetaColumnClass()

Description copied from interface: CalciteMetaColumnFactory

Returns the type of object created. Must be a subclass of MetaColumn.

Specified by:

getMetaColumnClass in interface CalciteMetaColumnFactory