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org.objectstyle.cayenne.access.util
Class PrimaryKeyHelper  

java.lang.Object
  org.objectstyle.cayenne.access.util.PrimaryKeyHelper

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public class PrimaryKeyHelper

extends java.lang.Object

PrimaryKeyHelper resolves primary key dependencies for entities related to the supported query engine via topological sorting. It is directly based on ASHWOOD. In addition it provides means for primary key generation relying on DbAdapter in this.

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Nested Class Summary
private  class	PrimaryKeyHelper.DbEntityComparator
private  class	PrimaryKeyHelper.ObjEntityComparator

 

Field Summary
private  PrimaryKeyHelper.DbEntityComparator	dbEntityComparator
private  java.util.Map	indexedDbEntities
private  PrimaryKeyHelper.ObjEntityComparator	objEntityComparator
private  org.objectstyle.cayenne.access.QueryEngine	queryEngine

 

Constructor Summary

PrimaryKeyHelper(org.objectstyle.cayenne.access.QueryEngine queryEngine)

 

Method Summary
private  boolean	appendPkFromMasterRelationships(java.util.Map map, org.objectstyle.cayenne.DataObject dataObject, org.objectstyle.cayenne.map.ObjEntity objEntity, org.objectstyle.cayenne.map.DbEntity dbEntity)
private  java.util.List	collectAllDbEntities()
void	createPermIdsForObjEntity(org.objectstyle.cayenne.map.ObjEntity objEntity, java.util.List dataObjects)
java.util.Comparator	getDbEntityComparator()
java.util.Comparator	getObjEntityComparator()
private  void	init()
private  java.lang.String	noMasterPkMsg(java.lang.String src, java.lang.String dst, java.lang.String rel)
void	reset()

 

Methods inherited from class java.lang.Object

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

 

Field Detail

indexedDbEntities

private java.util.Map indexedDbEntities

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queryEngine

private org.objectstyle.cayenne.access.QueryEngine queryEngine

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dbEntityComparator

private PrimaryKeyHelper.DbEntityComparator dbEntityComparator

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objEntityComparator

private PrimaryKeyHelper.ObjEntityComparator objEntityComparator

Constructor Detail

PrimaryKeyHelper

public PrimaryKeyHelper(org.objectstyle.cayenne.access.QueryEngine queryEngine)

Method Detail

reset

public void reset()

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getDbEntityComparator

public java.util.Comparator getDbEntityComparator()

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getObjEntityComparator

public java.util.Comparator getObjEntityComparator()

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createPermIdsForObjEntity

public void createPermIdsForObjEntity(org.objectstyle.cayenne.map.ObjEntity objEntity,
                                      java.util.List dataObjects)
                               throws org.objectstyle.cayenne.CayenneException

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appendPkFromMasterRelationships

private boolean appendPkFromMasterRelationships(java.util.Map map,
                                                org.objectstyle.cayenne.DataObject dataObject,
                                                org.objectstyle.cayenne.map.ObjEntity objEntity,
                                                org.objectstyle.cayenne.map.DbEntity dbEntity)
                                         throws org.objectstyle.cayenne.CayenneException

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noMasterPkMsg

private java.lang.String noMasterPkMsg(java.lang.String src,
                                       java.lang.String dst,
                                       java.lang.String rel)

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collectAllDbEntities

private java.util.List collectAllDbEntities()

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init

private void init()

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