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

java.lang.Object
  com.sun.mdm.index.survivor.AbstractSurvivorHelper
      com.sun.mdm.index.survivor.impl.DefaultSurvivorHelper

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

public class DefaultSurvivorHelper

extends AbstractSurvivorHelper

Default survivor helper implementation, using ePath

See Also:

Serialized Form

Field Summary

protected java.util.Map

mEPathCache pre-parse epaths and cache the ePath objects here

Fields inherited from class com.sun.mdm.index.survivor.AbstractSurvivorHelper

mFieldCache, mStrategyCache

Constructor Summary

DefaultSurvivorHelper()
Creates new DefaultSurvivorHelper

Method Summary

protected EPath	getEPath(java.lang.String s)
SystemFieldListMap	getSystemFields(EnterpriseObject rec, java.lang.String candidateId) returns a mapping of system field values for the candidate field
void	init(SurvivorHelperConfig config)
ObjectNode	setCandidateFieldValue(ObjectNode eo, SystemField candidateField) sets the candidate field on the omega object using the given value

Methods inherited from class com.sun.mdm.index.survivor.AbstractSurvivorHelper

clone, executeStrategy, getCandidateFieldNames, getStrategy, getSystemFieldMeta, setCache

Methods inherited from class java.lang.Object

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

Field Detail

mEPathCache

protected java.util.Map mEPathCache

pre-parse epaths and cache the ePath objects here

Constructor Detail

DefaultSurvivorHelper

public DefaultSurvivorHelper()

Creates new DefaultSurvivorHelper

Method Detail

getEPath

protected EPath getEPath(java.lang.String s)
                  throws EPathException

Throws:

EPathException

getSystemFields

public SystemFieldListMap getSystemFields(EnterpriseObject rec,
                                          java.lang.String candidateId)
                                   throws SurvivorCalculationException,
                                          SystemObjectException

returns a mapping of system field values for the candidate field

Specified by:

getSystemFields in class AbstractSurvivorHelper

Parameters:

candidateId - candidate field name

rec - omega object

Returns:

Mapping of system fields using system id as Key. Key: system id Value: collection of SystemField value objects return null if error getting system fields

Throws:

SurvivorCalculationException - unexpected value

SystemObjectException - error accessing entity object

init

public void init(SurvivorHelperConfig config)
          throws StrategyCreationException,
                 HelperCreationException

Description copied from class: AbstractSurvivorHelper

initialize the helper using a configuration object

Overrides:

init in class AbstractSurvivorHelper

Parameters:

config - configuration object

Throws:

StrategyCreationException - exception when creating a survivor calculation strategy

HelperCreationException - error creating the helper class

setCandidateFieldValue

public ObjectNode setCandidateFieldValue(ObjectNode eo,
                                         SystemField candidateField)
                                  throws SurvivorCalculationException,
                                         SystemObjectException

sets the candidate field on the omega object using the given value

Specified by:

setCandidateFieldValue in class AbstractSurvivorHelper

Parameters:

eo - entity object

candidateField - field name and value

Returns:

the Omega object with updated values return null if error setting candidate field value

Throws:

SurvivorCalculationException - unexpected values

SystemObjectException - error accessing entity object