org.exolab.castor.persist

Class ClassMolderHelper

java.lang.Object

org.exolab.castor.persist.ClassMolderHelper

public final class ClassMolderHelper
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.commons.logging.Log	LOG

Method Summary

Modifier and Type	Method and Description
static java.util.ArrayList	extractIdentityList(TransactionContext tx, ClassMolder molder, java.lang.Object col) Return all the object identity of a Collection of object of the same type.
static java.util.Collection	getAddedValuesList(TransactionContext tx, java.util.ArrayList orgIds, java.lang.Object collection, ClassMolder ch) It is assumed the returned collection will not be modified.
static FieldMapping[]	getFullFields(ClassMapping clsMap) Get all the field mapping, including all the field in extended class, but id fields
static FieldMapping[]	getIdFields(ClassMapping clsMap) Get the all the id fields of a class If the class, C, is a dependent class, then the depended class', D, id fields will be appended at the back and returned.
static java.util.Iterator	getIterator(java.lang.Object object) Return the iterator on values of the specified Collection Or, return the iterator on values of the specified Map
static java.util.Collection	getRemovedIdsList(TransactionContext tx, java.util.ArrayList orgIds, java.lang.Object collection, ClassMolder ch) It is assumed the returned collection will not be modified.
static boolean	isEquals(java.util.Collection c1, java.util.Collection c2) Utility method to compare collections for equality
static boolean	isEquals(java.lang.Object o1, java.lang.Object o2) A utility method which compare object.
static java.util.Vector	resolve(ClassDescriptorResolver cdResolver, LockEngine lock, PersistenceFactory factory) Resolve and construct all the ClassMolders given a MappingLoader.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

Method Detail

resolve

public static java.util.Vector resolve(ClassDescriptorResolver cdResolver,
                                       LockEngine lock,
                                       PersistenceFactory factory)
                                throws MappingException,
                                       java.lang.ClassNotFoundException

Resolve and construct all the ClassMolders given a MappingLoader.

Parameters:

lock - LockEngine for all the ClassMolder

factory - factory class for getting Persistent of the ClassMolder

Returns:

Vector of all of the ClassMolders from a MappingLoader

Throws:

java.lang.ClassNotFoundException

MappingException

isEquals

public static boolean isEquals(java.lang.Object o1,
                               java.lang.Object o2)

A utility method which compare object.

Parameters:

o1 - First object instance

o2 - Second object instance

Returns:

True if the objects compared are equal

isEquals

public static boolean isEquals(java.util.Collection c1,
                               java.util.Collection c2)

Utility method to compare collections for equality

Parameters:

c1 - collection one.

c2 - collection two.

Returns:

True if the collections are equal.

extractIdentityList

public static java.util.ArrayList extractIdentityList(TransactionContext tx,
                                                      ClassMolder molder,
                                                      java.lang.Object col)

Return all the object identity of a Collection of object of the same type.

Parameters:

tx - the transaction context

molder - class molder of the type of the objects

col - a Collection or Vector containing

Returns:

an ArrayLists which contains list of object identity

getIterator

public static java.util.Iterator getIterator(java.lang.Object object)

Return the iterator on values of the specified Collection Or, return the iterator on values of the specified Map

Parameters:

object - - a Collection instance

getFullFields

public static FieldMapping[] getFullFields(ClassMapping clsMap)
                                    throws MappingException

Get all the field mapping, including all the field in extended class, but id fields

Parameters:

clsMap - ClassMapping instance

Returns:

An array

Throws:

MappingException

getIdFields

public static FieldMapping[] getIdFields(ClassMapping clsMap)
                                  throws MappingException

Get the all the id fields of a class If the class, C, is a dependent class, then the depended class', D, id fields will be appended at the back and returned. If the class is an extended class, the id fields of the extended class will be returned.

Throws:

MappingException

getAddedValuesList

public static java.util.Collection getAddedValuesList(TransactionContext tx,
                                                      java.util.ArrayList orgIds,
                                                      java.lang.Object collection,
                                                      ClassMolder ch)

It is assumed the returned collection will not be modified. Any modification to the returned collection may or may not affect the original collection or map.

getRemovedIdsList

public static java.util.Collection getRemovedIdsList(TransactionContext tx,
                                                     java.util.ArrayList orgIds,
                                                     java.lang.Object collection,
                                                     ClassMolder ch)

It is assumed the returned collection will not be modified. Any modification to the returned collection may or may not affect the original collection or map.