org.eigenbase.reltype
Class RelDataTypeFieldImpl

java.lang.Object
  org.eigenbase.reltype.RelDataTypeFieldImpl

All Implemented Interfaces:

Serializable, RelDataTypeField

public class RelDataTypeFieldImpl
extends Object
implements RelDataTypeField, Serializable

Default implementation of RelDataTypeField.

Version:

$Id: //open/dev/farrago/src/org/eigenbase/reltype/RelDataTypeFieldImpl.java#12 $

Author:

jhyde

See Also:

Serialized Form

Field Summary

private int	index
private String	name
private RelDataType	type

Constructor Summary

RelDataTypeFieldImpl(String name, int index, RelDataType type)

Method Summary

int	getIndex() Gets the ordinal of this field within its containing type.
String	getName() Gets the name of this field, which is unique within its containing type.
RelDataType	getType() Gets the type of this field.
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

type

private final RelDataType type

name

private final String name

index

private final int index

Constructor Detail

RelDataTypeFieldImpl

public RelDataTypeFieldImpl(String name,
                            int index,
                            RelDataType type)

"Precondition:"

name != null, type != null

Method Detail

getName

public String getName()

Description copied from interface: RelDataTypeField

Gets the name of this field, which is unique within its containing type.

Specified by:

getName in interface RelDataTypeField

Returns:

field name

getIndex

public int getIndex()

Description copied from interface: RelDataTypeField

Gets the ordinal of this field within its containing type.

Specified by:

getIndex in interface RelDataTypeField

Returns:

0-based ordinal

getType

public RelDataType getType()

Description copied from interface: RelDataTypeField

Gets the type of this field.

Specified by:

getType in interface RelDataTypeField

Returns:

field type

toString

public String toString()

Overrides:

toString in class Object