| 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.util; |
| 16 | |
| 17 | import net.sourceforge.hiveboard.Board; |
| 18 | |
| 19 | final public class TokenStrategyFactory |
| 20 | { |
| 21 | private TokenStrategyFactory() |
| 22 | { |
| 23 | } |
| 24 | |
| 25 | static public TokenStrategy getStrategy(Board board) |
| 26 | { |
| 27 | switch(board.getTokenSetter()) |
| 28 | { |
| 29 | case InitiatorOnly: |
| 30 | return INITIATOR_STRATEGY; |
| 31 | |
| 32 | case InitiatorOrCurrentWriter: |
| 33 | return WRITER_STRATEGY; |
| 34 | |
| 35 | case InitiatorOrCurrentWriterOrSystem: |
| 36 | return SYSTEM_STRATEGY; |
| 37 | |
| 38 | default: |
| 39 | return null; |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | static final private TokenStrategy INITIATOR_STRATEGY = new InitiatorOnlyTokenStrategy(); |
| 44 | static final private TokenStrategy WRITER_STRATEGY = |
| 45 | new InitiatorOrCurrentWriterTokenStrategy(); |
| 46 | static final private TokenStrategy SYSTEM_STRATEGY = new SystemTokenStrategy(); |
| 47 | } |