wt.change2
Class ChangeableCheckoutQuery

java.lang.Object
  wt.change2.ChangeableCheckoutQuery

public class ChangeableCheckoutQuery

extends Object

Field Summary

static Class[]	CHANGECLASSES
protected static HashMap	CLASSMAP
private static int	PC_QUERY_SIZE

Constructor Summary

ChangeableCheckoutQuery()

Method Summary

static OidArray	getChangeObjectReferences(Persistable object) Given a Persistable Object query all Change tables which may reference it.
static QueryResult	getChangeObjects(WTCollection objects)
private static long[]	getChunk(long[] ids, int i)
private static long	getId(Object object) Returns object's id.
static ArrayList	getObjRefsForClass(Class changeClass, HashMap changeHash) Returns an ArrayList of ObjectIds from the ObjectReferences queried by getChangeObjectReferences (for the given class changeClass) Subclasses of Class are also considered Supported API: false
static ObjectIdentifier	getOid(Object object) Returns object's associated oid.
static boolean	hasObjRefsForClass(Class changeClass, HashMap changeHash) Returns a boolean indication of whether the Persistable object passed to getChangeObjectReferences is referenced by any instances of the input Change class Supported API: false

Methods inherited from class java.lang.Object

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

Field Detail

CHANGECLASSES

public static final Class[] CHANGECLASSES

CLASSMAP

protected static HashMap CLASSMAP

PC_QUERY_SIZE

private static int PC_QUERY_SIZE

Constructor Detail

ChangeableCheckoutQuery

public ChangeableCheckoutQuery()

Method Detail

getObjRefsForClass

public static ArrayList getObjRefsForClass(Class changeClass,
                                           HashMap changeHash)

Returns an ArrayList of ObjectIds from the ObjectReferences queried by getChangeObjectReferences (for the given class changeClass) Subclasses of Class are also considered

Supported API: false

Parameters:

changeClass - Referenced class to search for.

changeHash - Results from previous getChangeObjectReferences()

Returns:

ArrayList of ObjectIds

hasObjRefsForClass

public static boolean hasObjRefsForClass(Class changeClass,
                                         HashMap changeHash)

Returns a boolean indication of whether the Persistable object passed to getChangeObjectReferences is referenced by any instances of the input Change class

Supported API: false

Parameters:

changeClass - Referenced class to search for.

changeHash - Results from previous getChangeObjectReferences()

Returns:

boolean True if changeHash contains one or more ObjectReferences referencing Change Class

getChangeObjectReferences

public static OidArray getChangeObjectReferences(Persistable object)
                                          throws QueryException,
                                                 WTPropertyVetoException,
                                                 WTException

Given a Persistable Object query all Change tables which may reference it. Returns a OidArray where each element of the array is assumed to be an Object[] with the first element classname and second element id value.

Supported API: false

Parameters:

object - Persistable object to find all change references.

Returns:

OidArray

Throws:

QueryException

WTPropertyVetoException

WTException

getChangeObjects

public static QueryResult getChangeObjects(WTCollection objects)
                                    throws WTException

Throws:

WTException

getChunk

private static long[] getChunk(long[] ids,
                               int i)

getOid

public static ObjectIdentifier getOid(Object object)

Returns object's associated oid. Accepts not only Persistable as argument but also ObjectReference and ObjectIdentifier objects. Returns 'null' if object is null.

getId

private static long getId(Object object)

Returns object's id.