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Java > Open Source Codes > org > objectweb > openccm > descriptor > componentassembly > ccm > deployer > managers > DefaultLifeCycleManager


1 /*====================================================================
2
3 OpenCCM: The Open CORBA Component Model Platform
4 Copyright (C) 2000-2004 INRIA - USTL - LIFL - GOAL
5 Contact: openccm@objectweb.org
6
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or any later version.
11
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public
18 License along with this library; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20 USA
21
22 Initial developer(s): Briclet Frédéric.
23 Contributor(s): ______________________________________.
24
25 ====================================================================*/
26 package org.objectweb.openccm.descriptor.componentassembly.ccm.deployer.managers;
27
28 import org.objectweb.openccm.descriptor.componentassembly.ccm.deployer.base.Deployer;
29 import org.objectweb.openccm.descriptor.componentassembly.ccm.deployer.base.DeployerFailureState;
30 import org.objectweb.openccm.descriptor.componentassembly.ccm.deployer.base.DeployerInitializationFailureState;
31 import org.objectweb.openccm.descriptor.componentassembly.ccm.deployer.base.DeployerNotInitializeState;
32 import org.objectweb.openccm.descriptor.componentassembly.ccm.deployer.base.DeployerState;
33 import org.objectweb.openccm.descriptor.componentassembly.ccm.deployer.base.DeploymentLogger;
34 import org.objectweb.openccm.descriptor.componentassembly.ccm.deployer.base.LifeCycleManager;
35
36 /**
37  * This is the default implementation of the deployer life cycle manager
38  *
39  * @author <a HREF="mailto:briclet@lifl.fr">Briclet Frédéric</a>
40  *
41  * @version 0.1
42  */
43 public class DefaultLifeCycleManager
44        implements LifeCycleManager
45     {
46     // ==================================================================
47 //
48 // Internal state.
49 //
50 // ==================================================================
51 private DeployerState status= new DeployerNotInitializeState();
52     private DeploymentLogger logger;
53     private Deployer deployer;
54     // ==================================================================
55 //
56 // Constructors.
57 //
58 // ==================================================================
59 // ==================================================================
60 //
61 // Internal methods.
62 //
63 // ==================================================================
64 /**
65      * Internal accessor to the current deployment logger.
66      * @return the current deployment logger
67      */
68     private DeploymentLogger
69     getLogger()
70     {
71         return logger;
72     }
73     /**
74      * Log the current deployer status
75      *
76      */
77     private void
78     logDeployerStatus()
79     {
80         getLogger().log(">>"+deployer.getIdentifier()+" is in "+status.getStateName());
81     }
82     // ==================================================================
83 //
84 // Public methods.
85 //
86 // ==================================================================
87 /**
88      * This method return the current status of the deployer
89      * monitored.
90      *
91      * @return The deployer current status
92      */
93     public DeployerState
94     getStatus()
95     {
96         return status;
97     }
98
99     /**
100      * This method indicates to the manager that the deployer
101      * ended succefully the current step. So the deployer can be
102      * put in the following state.
103      *
104      * @return The new deployer state.
105      */
106     public DeployerState
107     stepEndedSuccessFully()
108     {
109         status=status.followingState();
110         logDeployerStatus();
111         return status;
112     }
113     
114     /**
115      * This method indicates to the manager that the
116      * deployer has aborted the current step. The manager
117      * return the new state.
118      *
119      * @return The new deployer state.
120      */
121     public DeployerState
122     stepAborded()
123     {
124         if(status instanceof DeployerNotInitializeState)
125             status=new DeployerInitializationFailureState();
126         else status=new DeployerFailureState();
127         
128         logDeployerStatus();
129         return status;
130     }
131     /**
132      * Connect to this life cycle manager the deployer to
133      * monitor.
134      *
135      * @param deployer to monitor
136      */
137     public void
138     connectManagedDeployer(Deployer deployer)
139     {
140         this.deployer=deployer;
141         logDeployerStatus();
142     }
143
144     /**
145      * Connect the logger to use to log information
146      *
147      * @param logger to use to signal event
148      */
149     public void
150     connectLogger(DeploymentLogger logger)
151     {
152         this.logger = logger;
153     }
154     /**
155      * This method return the deployer managed by tis
156      * lifecycle manager.
157      *
158      * @return The managed deployer
159      */
160     public Deployer
161     getManagedDeployer()
162     {
163         return deployer;
164     }
165
166 }
167
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