vishnu.model.algebra.algorithms.selection
Class ScanSelectionAlgorithm

java.lang.Object
  vishnu.model.algebra.algorithms.selection.AbstractSelectionAlgorithm
      vishnu.model.algebra.algorithms.selection.ScanSelectionAlgorithm

All Implemented Interfaces:

Algorithm, UnaryAlgorithm

public class ScanSelectionAlgorithm
extends AbstractSelectionAlgorithm

Author:

Hernan Rancati

Field Summary

Fields inherited from class vishnu.model.algebra.algorithms.selection.AbstractSelectionAlgorithm

canceled, conditions, inner, r

Constructor Summary

ScanSelectionAlgorithm()

Method Summary

boolean	canBePerformed() Indica si el algoritmo puede ser ejecutado sobre la relacion definida.
Algorithm	clone() Clona el algoritmo.
protected void	copyFilteredTable(Table destTable, Table sourceTable, Session session)
boolean	equals(java.lang.Object o)
int	hashCode()
java.lang.String	toString()

Methods inherited from class vishnu.model.algebra.algorithms.selection.AbstractSelectionAlgorithm

attach, cancel, innerTable, isCanceled, perform

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ScanSelectionAlgorithm

public ScanSelectionAlgorithm()

Method Detail

copyFilteredTable

protected void copyFilteredTable(Table destTable,
                                 Table sourceTable,
                                 Session session)

Specified by:

copyFilteredTable in class AbstractSelectionAlgorithm

canBePerformed

public boolean canBePerformed()

Description copied from interface: Algorithm

Indica si el algoritmo puede ser ejecutado sobre la relacion definida.

Specified by:

canBePerformed in interface Algorithm

Specified by:

canBePerformed in class AbstractSelectionAlgorithm

Returns:

true si puede ser ejecutado, false si no.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

clone

public Algorithm clone()

Description copied from interface: Algorithm

Clona el algoritmo.

Specified by:

clone in interface Algorithm

Specified by:

clone in class AbstractSelectionAlgorithm