com.viaoa.sync

Class OASyncCombinedClient

java.lang.Object

com.viaoa.sync.OASyncCombinedClient

public class OASyncCombinedClient
extends Object

This is used to have multiple servers all combined into a single combined instance. This needs to run as a separate java instance, that has a oasyncclient connection for each of individual server instances, and a oasyncclient connection to the combined server. It's assumed that each has the same object model, but that they each have their own instances. The object keys are only unique to each server, so the combined server will have a new unique key, and this class will handle the mapping between the two. How this works is by using the oasyncclients to redirect requests/messages to the server at the "other" side. Note: all of the OASyncClients need to be created from this object, so that it can redirect. Overview: This will combine objects from many servers into one. The objects will have a different objectId on the source then what is created on the combined server - example: each server could have an Employee#1 and the combined server will have Employee 1,2,3,4... This class will map between the source and the combined. It will then act as a client between them all and send messages from one to the other. When it does this, it will need to use the map to get the correct objectId to use. OAObjects readResolve from the source servers will change the objId for the combined server and then store in a map. Any changes that affect the objId will then update the map. Example: Emp objects from a source server will be be sent to the combined server, and have new objectId assigned on the combined server. Any changes to these objects on the combined server will then be sent (through this class) to the source server. Any changes on the source will be sent to the combined server. If the id is changed, then the map will be updated.

Author:

vvia

Constructor Summary

Constructors

Constructor and Description
OASyncCombinedClient()

Method Summary

Modifier and Type	Method and Description
OASyncClient	createSyncClient(Package packagex, String hostName, int port)
OAObjectKey	getClientToServerKey(Class c, OAObjectKey keyClient)
OASyncClient	getCombinedSyncClient(Package packagex, String hostName, int port) SyncClient that is connected to combined server
OASyncClient	getCurrentThreadSyncClient()
OAObject	resolveObject(OAObject objClient) Called from OAObjectSerialization.resolveObject, to get the correct object that is used on the combined server.

Methods inherited from class java.lang.Object

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

Constructor Detail

OASyncCombinedClient

public OASyncCombinedClient()

Method Detail

getCombinedSyncClient

public OASyncClient getCombinedSyncClient(Package packagex,
                                          String hostName,
                                          int port)

SyncClient that is connected to combined server

Parameters:

hostName -

port -

createSyncClient

public OASyncClient createSyncClient(Package packagex,
                                     String hostName,
                                     int port)

getCurrentThreadSyncClient

public OASyncClient getCurrentThreadSyncClient()

resolveObject

public OAObject resolveObject(OAObject objClient)

Called from OAObjectSerialization.resolveObject, to get the correct object that is used on the combined server.

Parameters:

objClient -

Returns:

null if this is not used, otherwise it will change the object with new Id for combined server.

getClientToServerKey

public OAObjectKey getClientToServerKey(Class c,
                                        OAObjectKey keyClient)