com.sun.mdm.index.survivor.impl
Class DefaultSurvivorStrategy

java.lang.Object
  com.sun.mdm.index.survivor.impl.DefaultSurvivorStrategy

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable, SurvivorStrategyInterface

public class DefaultSurvivorStrategy

extends java.lang.Object

implements SurvivorStrategyInterface, java.lang.Cloneable, java.io.Serializable

Default survivor strategy class. Selects the field from the system specified in the initialization parameter

See Also:

Serialized Form

Constructor Summary

DefaultSurvivorStrategy()
Creates new MySurvivalStrategy

Method Summary

java.lang.Object	clone()
void	init(java.util.Collection parameters)
SystemField	selectField(java.lang.String candidateId, SystemFieldListMap fields) Selects the field from the system specified in the initialization parameter

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultSurvivorStrategy

public DefaultSurvivorStrategy()

Creates new MySurvivalStrategy

Method Detail

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Specified by:

clone in interface SurvivorStrategyInterface

Returns:

clone of the object

Throws:

java.lang.CloneNotSupportedException - cloning is not supported

init

public void init(java.util.Collection parameters)
          throws StrategyCreationException

Description copied from interface: SurvivorStrategyInterface

Initializes the survivor strategy object. Call this method after creating the object.

Specified by:

init in interface SurvivorStrategyInterface

Parameters:

parameters - The parameters given in the Best Record configuration file.

Returns:

void - None.

Throws:

StrategyCreationException - Thrown if the strategy cannot be initialized.

See Also:

SurvivorStrategyInterface.selectField(java.lang.String, com.sun.mdm.index.survivor.SystemFieldListMap)

selectField

public SystemField selectField(java.lang.String candidateId,
                               SystemFieldListMap fields)
                        throws SurvivorCalculationException

Selects the field from the system specified in the initialization parameter

Specified by:

selectField in interface SurvivorStrategyInterface

Parameters:

candidateId - The candidate field name.

fields - The mapping of a system fields list to a system key.

Returns:

SystemField - The value of the field that has been selected to populate the SBR. This method returns null if the new value cannot be determined and the original candidate value should be used.

Throws:

SurvivorCalculationException - Thrown if there is an error with the calculation configuration.

See Also:

SurvivorStrategyInterface.selectField(java.lang.String, com.sun.mdm.index.survivor.SystemFieldListMap)