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


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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 */
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