3 * Copyright (C) 2014 EDIT
4 * European Distributed Institute of Taxonomy
5 * http://www.e-taxonomy.eu
7 * The contents of this file are subject to the Mozilla Public License Version 1.1
8 * See LICENSE.TXT at the top of this package for the full license terms.
10 package eu
.etaxonomy
.taxeditor
.session
;
12 import java
.util
.ArrayList
;
13 import java
.util
.Collection
;
14 import java
.util
.HashMap
;
15 import java
.util
.HashSet
;
16 import java
.util
.List
;
20 import org
.apache
.log4j
.Logger
;
21 import org
.springframework
.stereotype
.Component
;
23 import eu
.etaxonomy
.cdm
.api
.service
.UpdateResult
;
24 import eu
.etaxonomy
.cdm
.model
.common
.CdmBase
;
32 public class CdmEntitySessionManager
implements ICdmEntitySessionManager
{
33 private static final Logger logger
= Logger
.getLogger(CdmEntitySessionManager
.class);
35 private final Map
<ICdmEntitySessionEnabled
, ICdmEntitySession
> ownerSessionMap
=
36 new HashMap
<ICdmEntitySessionEnabled
, ICdmEntitySession
>();
38 private final List
<ICdmEntitySessionManagerObserver
> sessionObservers
= new ArrayList
<ICdmEntitySessionManagerObserver
>();
40 private ICdmEntitySession activeSession
;
42 private NullSession nullSession
;
45 public ICdmEntitySession
getNullSession() {
50 public ICdmEntitySession
newSession(ICdmEntitySessionEnabled sessionOwner
, boolean setAsActive
) {
51 ICdmEntitySession session
= ownerSessionMap
.get(sessionOwner
);
53 session
= new CdmEntitySession(sessionOwner
, this);
54 addToOwnerSessionMap(sessionOwner
, session
);
58 setActiveSession(session
);
65 public ICdmEntitySession
bindNullSession() {
67 if(nullSession
== null) {
68 nullSession
= new NullSession(null, this);
71 setActiveSession(nullSession
);
77 public ICdmEntitySession
getActiveSession() {
81 private void setActiveSession(ICdmEntitySession activeSession
) {
82 this.activeSession
= activeSession
;
88 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#getSessions()
91 public Collection
<ICdmEntitySession
> getSessions() {
92 return ownerSessionMap
.values();
97 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#bind(eu.etaxonomy.taxeditor.session.ISessionEventListener)
100 public void bind(ICdmEntitySessionEnabled sessionOwner
) {
101 if(sessionOwner
== null) {
102 setActiveSession(null);
105 ICdmEntitySession session
= ownerSessionMap
.get(sessionOwner
);
106 if(session
== null) {
107 throw new CdmClientSessionException("Trying to bind session which does not exist");
110 setActiveSession(session
);
115 public boolean contains(ICdmEntitySessionEnabled sessionOwner
) {
116 return ownerSessionMap
.containsKey(sessionOwner
);
121 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(T)
124 public <T
extends Object
> T
load(T obj
, boolean update
) {
125 if(activeSession
== null) {
128 return activeSession
.load(obj
, update
);
134 public <T
extends CdmBase
> void update() {
135 if(activeSession
!= null) {
136 activeSession
.update();
141 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(T)
144 public <T
extends CdmBase
> T
load(T cdmBase
, boolean update
) {
145 if(activeSession
== null) {
148 return activeSession
.load(cdmBase
, update
);
153 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(eu.etaxonomy.cdm.api.service.UpdateResult, boolean)
156 public UpdateResult
load(UpdateResult updateResult
, boolean update
) {
157 if(activeSession
== null) {
160 return activeSession
.load(updateResult
, update
);
165 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#load(java.util.Collection)
168 public <T
extends CdmBase
> Collection
<T
> load(Collection
<T
> cdmBaseList
, boolean update
) {
169 if(activeSession
== null) {
172 return activeSession
.load(cdmBaseList
, update
);
177 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#dispose(eu.etaxonomy.taxeditor.session.ISessionEventListener)
179 void remove(ICdmEntitySessionEnabled owner
) {
180 ICdmEntitySession session
= ownerSessionMap
.get(owner
);
181 if(session
== null) {
182 logger
.info("No Session connected to owner, nothing to do");
185 if(session
== activeSession
) {
186 setActiveSession(null);
188 ownerSessionMap
.remove(owner
);
193 public void dispose(ICdmEntitySessionEnabled owner
) {
194 ICdmEntitySession session
= ownerSessionMap
.get(owner
);
195 if(session
!= null) {
198 if(nullSession
!= null && nullSession
.getOwner() == owner
) {
205 public void disposeNullSession() {
211 public void disposeAll() {
212 Set
<ICdmEntitySessionEnabled
> owners
=
213 new HashSet
<ICdmEntitySessionEnabled
>(ownerSessionMap
.keySet());
214 for(ICdmEntitySessionEnabled owner
: owners
) {
215 ICdmEntitySession session
= ownerSessionMap
.get(owner
);
216 if(session
!= null) {
223 void addToOwnerSessionMap(ICdmEntitySessionEnabled owner
, ICdmEntitySession session
) {
224 ownerSessionMap
.put(owner
, session
);
228 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#addSessionListener()
231 public void addSessionObserver(ICdmEntitySessionManagerObserver sessionObserver
) {
232 sessionObservers
.add(sessionObserver
);
235 public void notifyObservers() {
236 for(ICdmEntitySessionManagerObserver sessionObserver
: sessionObservers
) {
237 sessionObserver
.changed();
242 * @see eu.etaxonomy.taxeditor.session.ICdmEntitySessionManager#isRemoting()
245 public boolean isRemoting() {
246 // FIXME:Remoting stupid method to check whether we are in remoting