| 1 | // Copyright 2004-2007 Jean-Francois Poilpret |
| 2 | // |
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | // you may not use this file except in compliance with the License. |
| 5 | // You may obtain a copy of the License at |
| 6 | // |
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | // |
| 9 | // Unless required by applicable law or agreed to in writing, software |
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | // See the License for the specific language governing permissions and |
| 13 | // limitations under the License. |
| 14 | |
| 15 | package net.sourceforge.hiveboard.main; |
| 16 | |
| 17 | import org.apache.commons.logging.Log; |
| 18 | |
| 19 | import net.sourceforge.hiveboard.Account; |
| 20 | import net.sourceforge.hiveboard.Event; |
| 21 | import net.sourceforge.hiveboard.EventType; |
| 22 | import net.sourceforge.hiveboard.event.EventsPriorities; |
| 23 | import net.sourceforge.hiveboard.event.PersistentDeferredConsumer; |
| 24 | import net.sourceforge.hiveevents.Channel; |
| 25 | import net.sourceforge.hiveevents.Filter; |
| 26 | |
| 27 | public class IdentityHolderImpl implements IdentityHolder |
| 28 | { |
| 29 | public IdentityHolderImpl( Log logger, |
| 30 | Channel<Event> eventsChannel, |
| 31 | Channel<Account> identityChannel) |
| 32 | { |
| 33 | _logger = logger; |
| 34 | _identityChannel = identityChannel; |
| 35 | int priority = EventsPriorities.IDENTITY_UPDATE; |
| 36 | Filter<Event> filter = new Filter<Event>() |
| 37 | { |
| 38 | public boolean passEvent(Event event) |
| 39 | { |
| 40 | return ( (event.getType() == EventType.EVT_MODIFY_ACCOUNT) |
| 41 | && (_identity != null) |
| 42 | && (_identity.getId() == event.getAccount().getId())); |
| 43 | } |
| 44 | }; |
| 45 | eventsChannel.registerPushConsumer(priority, filter, new PersistentDeferredConsumer() |
| 46 | { |
| 47 | @Override protected void pushEvent(Event event) |
| 48 | { |
| 49 | _identity = event.getAccount(); |
| 50 | _identityChannel.push(_identity); |
| 51 | } |
| 52 | }); |
| 53 | } |
| 54 | |
| 55 | public Account getIdentity() |
| 56 | { |
| 57 | if (_identity == null) |
| 58 | { |
| 59 | _logger.warn("getIdentity() [_identity == null]"); |
| 60 | } |
| 61 | return _identity; |
| 62 | } |
| 63 | |
| 64 | public int getId() |
| 65 | { |
| 66 | return getIdentity().getId(); |
| 67 | } |
| 68 | |
| 69 | public void setIdentity(Account account) |
| 70 | { |
| 71 | if (_identity == null) |
| 72 | { |
| 73 | _identity = account; |
| 74 | _identityChannel.push(_identity); |
| 75 | } |
| 76 | else |
| 77 | { |
| 78 | _logger.warn("setIdentity() [_identity != null]"); |
| 79 | } |
| 80 | if (_identity == null) |
| 81 | { |
| 82 | _logger.warn("setIdentity() [_identity == null]"); |
| 83 | _identity = new Account(); |
| 84 | _identity.setId(-1); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | private final Log _logger; |
| 89 | private final Channel<Account> _identityChannel; |
| 90 | private Account _identity; |
| 91 | } |