org.xerial.db
Class AbstractTuple

java.lang.Object
  org.xerial.db.AbstractTuple

All Implemented Interfaces:

Tuple

Direct Known Subclasses:

TupleImpl, TupleOnBuffer

public abstract class AbstractTuple
extends Object
implements Tuple

A base implementation of the Tuple interface

Author:

leo

Constructor Summary

AbstractTuple(Relation relation)

Method Summary

Relation	getRelation() Gets the relational schema of this tuple
abstract Object	getValue(int relationIndex) Gets the column value
Object	getValue(String parameterName) Gets the column value
abstract void	setValue(int relationIndex, Object value) Sets the tuple value of the specified column
void	setValue(String parameterName, Object value) Gets the tuple value of the specified column name

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.xerial.db.Tuple

getByteSize, load, save

Constructor Detail

AbstractTuple

public AbstractTuple(Relation relation)

Method Detail

getRelation

public Relation getRelation()

Description copied from interface: Tuple

Gets the relational schema of this tuple

Specified by:

getRelation in interface Tuple

Returns:

setValue

public abstract void setValue(int relationIndex,
                              Object value)

Description copied from interface: Tuple

Sets the tuple value of the specified column

Specified by:

setValue in interface Tuple

Parameters:

relationIndex - the column index to which the value is set

value - the column value to set

setValue

public void setValue(String parameterName,
                     Object value)

Description copied from interface: Tuple

Gets the tuple value of the specified column name

Specified by:

setValue in interface Tuple

Parameters:

parameterName - the column name to which the value is set

value - the column value to set

getValue

public abstract Object getValue(int relationIndex)

Description copied from interface: Tuple

Gets the column value

Specified by:

getValue in interface Tuple

Parameters:

relationIndex - the column index from which the value is read

Returns:

the column value of the specfied column index

getValue

public Object getValue(String parameterName)

Description copied from interface: Tuple

Gets the column value

Specified by:

getValue in interface Tuple

Parameters:

parameterName - the column name from which the value is read

Returns:

the column value of the specfied column name