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Object Automation library
/* Copyright 1999 Vince Via [email protected]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.viaoa.hub;
import java.util.Comparator;
import java.util.logging.Logger;
import com.viaoa.remote.multiplexer.OARemoteThreadDelegate;
import com.viaoa.sync.*;
import com.viaoa.sync.remote.RemoteClientInterface;
import com.viaoa.sync.remote.RemoteSyncInterface;
import com.viaoa.object.*;
/**
* Delegate that manages client/server functionality, so that the same hub in
* other systems is in-sync.
* @author vvia
*
*/
public class HubCSDelegate {
private static Logger LOG = Logger.getLogger(HubCSDelegate.class.getName());
/**
* 20140422
* @param thisHub
*/
public static void removeAllFromHub(Hub thisHub) {
if (OASyncDelegate.isSingleUser(thisHub)) return;
if (!(thisHub.datam.getMasterObject() instanceof OAObject)) return;
if (OAThreadLocalDelegate.isSuppressCSMessages()) return;
if (!OARemoteThreadDelegate.shouldSendMessages()) {
return;
}
// 20140708
OALinkInfo li = thisHub.datam.liDetailToMaster;
if (li != null) {
OALinkInfo liRev = OAObjectInfoDelegate.getReverseLinkInfo(li);
if (liRev != null && liRev.getCalculated()) {
if (!OASyncDelegate.isServer(thisHub) || !liRev.getServerSideCalc()) {
return;
}
}
}
RemoteSyncInterface rs = OASyncDelegate.getRemoteSync(thisHub);
if (rs != null) {
rs.removeAllFromHub(
thisHub.datam.getMasterObject().getClass(),
thisHub.datam.getMasterObject().getObjectKey(),
HubDetailDelegate.getPropertyFromMasterToDetail(thisHub)
);
}
}
/**
* Have object removed from same Hub on other workstations.
*/
public static void removeFromHub(Hub thisHub, OAObject obj, int pos) {
if (OASyncDelegate.isSingleUser(thisHub)) return;
if (!(thisHub.datam.getMasterObject() instanceof OAObject)) return;
if (OAThreadLocalDelegate.isSuppressCSMessages()) return;
if (!OARemoteThreadDelegate.shouldSendMessages()) {
return;
}
OAObjectInfo oi = OAObjectInfoDelegate.getOAObjectInfo(obj);
if (oi.getLocalOnly()) return;
OALinkInfo li = thisHub.datam.liDetailToMaster;
if (li != null) {
OALinkInfo liRev = OAObjectInfoDelegate.getReverseLinkInfo(li);
if (liRev != null && liRev.getCalculated()) {
if (!OASyncDelegate.isServer(thisHub) || !liRev.getServerSideCalc()) {
return;
}
}
}
if (OAObjectInfoDelegate.getOAObjectInfo((OAObject)thisHub.datam.getMasterObject()).getLocalOnly()) return;
// must have a master object to be able to know which hub to add object to
// send REMOVE message
RemoteSyncInterface rs = OASyncDelegate.getRemoteSync(thisHub);
if (rs != null) {
rs.removeFromHub(
thisHub.datam.getMasterObject().getClass(),
thisHub.datam.getMasterObject().getObjectKey(),
HubDetailDelegate.getPropertyFromMasterToDetail(thisHub),
obj.getClass(), obj.getObjectKey());
}
}
/**
* Have object added to same Hub on other workstations.
*/
public static void addToHub(final Hub thisHub, final OAObject thisObj) {
if (OASyncDelegate.isSingleUser(thisHub)) return;
if (!OARemoteThreadDelegate.shouldSendMessages()) return;
if (OAThreadLocalDelegate.isSuppressCSMessages()) return;
OAObjectInfo oi = OAObjectInfoDelegate.getOAObjectInfo(thisObj);
if (oi.getLocalOnly()) return;
OALinkInfo li = thisHub.datam.liDetailToMaster;
if (li != null) {
OALinkInfo liRev = OAObjectInfoDelegate.getReverseLinkInfo(li);
if (liRev != null && liRev.getCalculated()) {
if (!OASyncDelegate.isServer(thisHub) || !liRev.getServerSideCalc()) {
return;
}
}
}
// must have a master object to be able to know which hub to add object to
// send ADD message
final OAObject master = (OAObject) thisHub.datam.getMasterObject();
if (!(master instanceof OAObject)) return;
if (OAObjectInfoDelegate.getOAObjectInfo(master).getLocalOnly()) return;
/* 20160826 removed, since this is only needed when loading oaobj.hub, which already suppresses messages when loading
if (OASync.isServer() && thisHub.isFetching()) {
return; // 20140309
}
*/
// 20140314 dont need to send if masterObject is only on client so far
if (OAObjectCSDelegate.isInNewObjectCache(master)) {
return;
}
// 20160630
final boolean bIsLoading = OAThreadLocalDelegate.isLoading();
if (bIsLoading) {
if (!OAObjectHubDelegate.isInHub(master)) {
if (OASyncDelegate.isServer(master)) {
return;
}
if (OAObjectCSDelegate.isInNewObjectCache(master)) {
return;
}
}
}
// 20110323 note: must send object, other clients might not have it.
RemoteSyncInterface rs = OASyncDelegate.getRemoteSync(thisHub);
if (rs != null) {
if (OASync.isServer()) {
// if server, then send extra references if obj is new, so that client will not have to ask for it
if (thisObj.isNew() && !OAObjectHubDelegate.isInHubWithMaster(thisObj, thisHub)) {
OAObjectSerializer oos = new OAObjectSerializer(thisObj, false, new OAObjectSerializerCallback() {
@Override
protected void beforeSerialize(OAObject obj) {
}
@Override
public boolean shouldSerializeReference(OAObject oaObj, String propertyName, Object objRef, boolean bDefault) {
if (!bDefault) return false;
boolean b = _shouldSerializeReference(oaObj, propertyName, objRef, bDefault);
return b;
}
private boolean _shouldSerializeReference(OAObject oaObj, String propertyName, Object objRef, boolean bDefault) {
if (oaObj != thisObj) return false;
if (objRef instanceof Hub) return true;
if (objRef instanceof OAObject) {
if (thisHub.getMasterObject() == objRef) return false;
if (((OAObject) objRef).isNew()) {
if (OAObjectHubDelegate.isInHubWithMaster((OAObject)objRef)) return false;
return true;
}
}
return false;
}
});
rs.addNewToHub(
thisHub.datam.getMasterObject().getClass(),
thisHub.datam.getMasterObject().getObjectKey(),
HubDetailDelegate.getPropertyFromMasterToDetail(thisHub), oos);
return;
}
}
rs.addToHub(
thisHub.datam.getMasterObject().getClass(),
thisHub.datam.getMasterObject().getObjectKey(),
HubDetailDelegate.getPropertyFromMasterToDetail(thisHub), thisObj);
}
}
/**
* Have object inserted in same Hub on other workstations.
*/
public static boolean insertInHub(Hub thisHub, OAObject obj, int pos) {
if (OASyncDelegate.isSingleUser(thisHub)) return false;
if (!OARemoteThreadDelegate.shouldSendMessages()) return false;
if (OAThreadLocalDelegate.isSuppressCSMessages()) return false;
OAObjectInfo oi = OAObjectInfoDelegate.getOAObjectInfo(obj);
if (oi.getLocalOnly()) return false;
OALinkInfo li = thisHub.datam.liDetailToMaster;
if (li != null) {
OALinkInfo liRev = OAObjectInfoDelegate.getReverseLinkInfo(li);
if (liRev != null && liRev.getCalculated()) {
if (!OASyncDelegate.isServer(thisHub) || !liRev.getServerSideCalc()) {
return false;
}
}
}
if (!(thisHub.datam.getMasterObject() instanceof OAObject)) return false;
if (OAObjectInfoDelegate.getOAObjectInfo((OAObject)thisHub.datam.getMasterObject()).getLocalOnly()) return false;
// must have a master object to be able to know which hub to add object to
// send ADD message
// 20110323 note: must send object, other clients might not have it.
RemoteSyncInterface rs = OASyncDelegate.getRemoteSync(thisHub);
if (rs != null) {
rs.insertInHub(
thisHub.datam.getMasterObject().getClass(),
thisHub.datam.getMasterObject().getObjectKey(),
HubDetailDelegate.getPropertyFromMasterToDetail(thisHub),
obj, pos);
}
return true;
}
/**
* Have object added to same Hub on other workstations.
*/
public static void moveObjectInHub(Hub thisHub, int posFrom, int posTo) {
if (OASyncDelegate.isSingleUser(thisHub)) return;
if (!OARemoteThreadDelegate.shouldSendMessages()) return;
if (OAThreadLocalDelegate.isSuppressCSMessages()) return;
OAObjectInfo oi = OAObjectInfoDelegate.getOAObjectInfo(thisHub.getObjectClass());
if (oi.getLocalOnly()) return;
// 20130319 dont send out calc changes
OALinkInfo li = thisHub.datam.liDetailToMaster;
if (li != null) {
OALinkInfo liRev = OAObjectInfoDelegate.getReverseLinkInfo(li);
if (liRev != null && liRev.getCalculated()) return;
}
OAObject objMaster = thisHub.datam.getMasterObject();
if (objMaster == null) return;
if (OAObjectInfoDelegate.getOAObjectInfo(objMaster).getLocalOnly()) return;
// must have a master object to be able to know which hub to use
// send MOVE message
RemoteSyncInterface rs = OASyncDelegate.getRemoteSync(thisHub);
if (rs != null) {
rs.moveObjectInHub(objMaster.getClass(),
objMaster.getObjectKey(),
HubDetailDelegate.getPropertyFromMasterToDetail(thisHub), posFrom, posTo);
}
}
public static boolean isServer(Hub h) {
return OASyncDelegate.isServer(h);
}
public static boolean isRemoteThread() {
return (OARemoteThreadDelegate.isRemoteThread());
}
/**
* Sort objects in hub
*/
public static void sort(Hub thisHub, String propertyPaths, boolean bAscending, Comparator comp) {
if (OASyncDelegate.isSingleUser(thisHub)) return;
if (!OARemoteThreadDelegate.shouldSendMessages()) return;
if (OAThreadLocalDelegate.isSuppressCSMessages()) return;
OAObject objMaster = thisHub.datam.getMasterObject();
if (objMaster == null) return;
if (OAObjectInfoDelegate.getOAObjectInfo(objMaster).getLocalOnly()) return;
OALinkInfo li = thisHub.datam.liDetailToMaster;
if (li != null) {
OALinkInfo liRev = OAObjectInfoDelegate.getReverseLinkInfo(li);
if (liRev != null && liRev.getCalculated()) return;
}
RemoteSyncInterface rs = OASyncDelegate.getRemoteSync(thisHub);
if (rs != null) {
rs.sort(objMaster.getClass(), objMaster.getObjectKey(),
HubDetailDelegate.getPropertyFromMasterToDetail(thisHub),
propertyPaths, bAscending, comp);
}
}
/**
* 20150206 returns true if this should be deleted on this computer, false if it is done on the server.
*/
protected static boolean deleteAll(Hub thisHub) {
if (OASyncDelegate.isServer(thisHub)) return true; // invoke on the server
LOG.fine("hub="+thisHub);
if (!OARemoteThreadDelegate.shouldSendMessages()) return true;
if (OAThreadLocalDelegate.isSuppressCSMessages()) return true;
OAObjectInfo oi = OAObjectInfoDelegate.getOAObjectInfo(thisHub.getObjectClass());
if (oi.getLocalOnly()) return true;
OALinkInfo li = thisHub.datam.liDetailToMaster;
if (li != null) {
OALinkInfo liRev = OAObjectInfoDelegate.getReverseLinkInfo(li);
if (liRev != null && liRev.getCalculated()) return true;
}
OAObject master = thisHub.getMasterObject();
if (master == null) return true;
String prop = HubDetailDelegate.getPropertyFromMasterToDetail(thisHub);
if (prop == null) return true;
RemoteClientInterface rs = OASyncDelegate.getRemoteClient(thisHub);
if (rs == null) return true;
rs.deleteAll(master.getClass(), master.getObjectKey(), prop);
return false;
}
// 20150420
/**
* Hub hubData.vecAdd/Remove cleared on clients
*/
public static boolean clearHubChanges(Hub thisHub) {
if (thisHub == null) return false;
if (OASync.isSingleUser(thisHub)) return false;
if (!OASync.shouldSendMessages()) return false;
if (OASync.getSuppressCSMessages()) return false;
OAObjectInfo oi = OAObjectInfoDelegate.getOAObjectInfo(thisHub.getObjectClass());
if (oi.getLocalOnly()) return false;
OALinkInfo li = thisHub.datam.liDetailToMaster;
if (li != null) {
OALinkInfo liRev = OAObjectInfoDelegate.getReverseLinkInfo(li);
if (liRev != null && liRev.getCalculated()) return false;
}
if (!(thisHub.datam.getMasterObject() instanceof OAObject)) return false;
if (OAObjectInfoDelegate.getOAObjectInfo((OAObject)thisHub.datam.getMasterObject()).getLocalOnly()) return false;
RemoteSyncInterface rs = OASyncDelegate.getRemoteSync(thisHub);
if (rs != null) {
rs.clearHubChanges(
thisHub.datam.getMasterObject().getClass(),
thisHub.datam.getMasterObject().getObjectKey(),
HubDetailDelegate.getPropertyFromMasterToDetail(thisHub)
);
}
return true;
}
public static void sendRefresh(Hub thisHub) {
if (thisHub == null) return;
RemoteSyncInterface rsi = OASyncDelegate.getRemoteSync();
if (rsi == null) return;
OAObject obj = thisHub.getMasterObject();
if (obj == null) return;
OALinkInfo li = HubDetailDelegate.getLinkInfoFromMasterObjectToDetail(thisHub);
if (li == null) return;
rsi.refresh(obj.getClass(), obj.getObjectKey(), li.getName());
}
}
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