KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > com > jcorporate > expresso > services > dbobj > CacheSync


1 /* ====================================================================
2  * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
3  *
4  * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  * notice, this list of conditions and the following disclaimer in
15  * the documentation and/or other materials provided with the
16  * distribution.
17  *
18  * 3. The end-user documentation included with the redistribution,
19  * if any, must include the following acknowledgment:
20  * "This product includes software developed by Jcorporate Ltd.
21  * (http://www.jcorporate.com/)."
22  * Alternately, this acknowledgment may appear in the software itself,
23  * if and wherever such third-party acknowledgments normally appear.
24  *
25  * 4. "Jcorporate" and product names such as "Expresso" must
26  * not be used to endorse or promote products derived from this
27  * software without prior written permission. For written permission,
28  * please contact info@jcorporate.com.
29  *
30  * 5. Products derived from this software may not be called "Expresso",
31  * or other Jcorporate product names; nor may "Expresso" or other
32  * Jcorporate product names appear in their name, without prior
33  * written permission of Jcorporate Ltd.
34  *
35  * 6. No product derived from this software may compete in the same
36  * market space, i.e. framework, without prior written permission
37  * of Jcorporate Ltd. For written permission, please contact
38  * partners@jcorporate.com.
39  *
40  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
41  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
42  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
43  * DISCLAIMED. IN NO EVENT SHALL JCORPORATE LTD OR ITS CONTRIBUTORS
44  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
45  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
46  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
47  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
48  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
49  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
50  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  * ====================================================================
53  *
54  * This software consists of voluntary contributions made by many
55  * individuals on behalf of the Jcorporate Ltd. Contributions back
56  * to the project(s) are encouraged when you make modifications.
57  * Please send them to support@jcorporate.com. For more information
58  * on Jcorporate Ltd. and its products, please see
59  * <http://www.jcorporate.com/>.
60  *
61  * Portions of this software are based upon other open source
62  * products and are subject to their respective licenses.
63  */
64
65 package com.jcorporate.expresso.services.dbobj;
66
67 import com.jcorporate.expresso.core.controller.ControllerRequest;
68 import com.jcorporate.expresso.core.db.DBException;
69 import com.jcorporate.expresso.core.dbobj.SecuredDBObject;
70 import com.jcorporate.expresso.core.dbobj.ValidValue;
71
72 import java.util.Vector JavaDoc;
73
74
75 /**
76  * Entries here define the other VM's (even on other servers) that are also using
77  * this database, and with whom cache synchronizations should be attempted. Note
78  * that for this to work, the db/context names on the remote servers must be the
79  * same as the db/context names here.
80  *
81  * @author Michael Nash
82  * @version $Revision: 1.10 $ $Date: 2004/11/17 20:48:18 $
83  */
84 public class CacheSync
85         extends SecuredDBObject {
86     /**
87      * Constructor
88      */
89     public CacheSync()
90             throws DBException {
91         super();
92     } /* CacheSync() */
93
94     /**
95      * Use instead of CacheSync(String theUser)
96      *
97      * @param uid the expresso integer uid
98      * @throws DBException upon initialization error
99      */
100     public CacheSync(int uid)
101             throws DBException {
102         super(uid);
103     }
104
105     /**
106      * For using DBObjects within Controllers. Initializes based upon the current
107      * user and the requested db. [Of course this can be modified later]
108      *
109      * @param request - The controller request handed to you by the framework.
110      * @throws DBException upon initialization error
111      */
112     public CacheSync(ControllerRequest request)
113             throws DBException {
114         super(request);
115     }
116
117     /**
118      * Override the method getValues to provide specific values for our
119      * multi-valued fields
120      *
121      * @param fieldName Fielname to retrieve values for
122      * @return Vector of ValidValue Value/description pairs for this field
123      * @throws DBException If the values cannot be retrieved
124      */
125     public synchronized Vector JavaDoc getValidValues(String JavaDoc fieldName)
126             throws DBException {
127         if (fieldName.equals("Protocol")) {
128             Vector JavaDoc myValues = new Vector JavaDoc(4);
129             myValues.addElement(new ValidValue("http", "HTTP"));
130             myValues.addElement(new ValidValue("jobqueue",
131                     getString("Via_Job_Queue")));
132
133             return myValues;
134         }
135
136         return super.getValidValues(fieldName);
137     } /* getValidValues(String) */
138
139
140     /**
141      * Define the table and fields for this object
142      *
143      * @throws DBException If the fields cannot be set up
144      */
145     public void setupFields()
146             throws DBException {
147         setTargetTable("CACHESYNC");
148         setDescription("Cache_Synchronization_Entries");
149         setCharset("ISO-8859-1");
150         addField("Protocol", "varchar", 30, false, "Synchronize_Protocol");
151         addField("ServerName", "varchar", 80, false,
152                 "Server_Name_to_Sync_With");
153         addField("ContextPath", "varchar", 80, false, "Context_Path");
154         addField("PortNumber", "int", 0, false, "Port_Number");
155         addField("SyncParameter", "varchar", 132, true,
156                 "Additional_Parameters");
157         addKey("Protocol");
158         addKey("ServerName");
159         addKey("PortNumber");
160         addKey("ContextPath");
161     } /* setupFields() */
162
163
164 } /* CacheSync */
165
166 /* CacheSync */
Popular Tags