Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
ApplicationScopeManager |
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1 | // Copyright 2005 The Apache Software Foundation |
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2 | // |
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3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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4 | // you may not use this file except in compliance with the License. |
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5 | // You may obtain a copy of the License at |
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6 | // |
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7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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8 | // |
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9 | // Unless required by applicable law or agreed to in writing, software |
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10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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12 | // See the License for the specific language governing permissions and |
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13 | // limitations under the License. |
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14 | ||
15 | package org.apache.tapestry.engine.state; |
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16 | ||
17 | import java.util.HashMap; |
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18 | import java.util.Map; |
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19 | ||
20 | /** |
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21 | * The application scope is for objects that are global to all users and all sessions. |
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22 | * Traditionally, that's stored in the servlet context, but there's no advantage to doing that over |
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23 | * just using a Map. |
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24 | * |
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25 | * @author Howard M. Lewis Ship |
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26 | * @since 4.0 |
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27 | */ |
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28 | 0 | public class ApplicationScopeManager implements StateObjectPersistenceManager |
29 | { |
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30 | 0 | private Map _objects = new HashMap(); |
31 | ||
32 | public synchronized boolean exists(String objectName) |
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33 | { |
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34 | 0 | return false; |
35 | } |
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36 | ||
37 | public synchronized Object get(String objectName, StateObjectFactory factory) |
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38 | { |
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39 | 0 | Object result = _objects.get(objectName); |
40 | ||
41 | 0 | if (result == null) |
42 | { |
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43 | 0 | result = factory.createStateObject(); |
44 | 0 | _objects.put(objectName, result); |
45 | } |
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46 | ||
47 | 0 | return result; |
48 | } |
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49 | ||
50 | public synchronized void store(String objectName, Object stateObject) |
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51 | { |
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52 | 0 | _objects.put(objectName, stateObject); |
53 | 0 | } |
54 | ||
55 | } |