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1   /*
2    * $Source$
3    * $Revision$
4    *
5    * Copyright (C) 2005 Tim Pizey
6    *
7    * Part of Melati (http://melati.org), a framework for the rapid
8    * development of clean, maintainable web applications.
9    *
10   * Melati is free software; Permission is granted to copy, distribute
11   * and/or modify this software under the terms either:
12   *
13   * a) the GNU General Public License as published by the Free Software
14   *    Foundation; either version 2 of the License, or (at your option)
15   *    any later version,
16   *
17   *    or
18   *
19   * b) any version of the Melati Software License, as published
20   *    at http://melati.org
21   *
22   * You should have received a copy of the GNU General Public License and
23   * the Melati Software License along with this program;
24   * if not, write to the Free Software Foundation, Inc.,
25   * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
26   * GNU General Public License and visit http://melati.org to obtain the
27   * Melati Software License.
28   *
29   * Feel free to contact the Developers of Melati (http://melati.org),
30   * if you would like to work out a different arrangement than the options
31   * outlined here.  It is our intention to allow Melati to be used by as
32   * wide an audience as possible.
33   *
34   * This program is distributed in the hope that it will be useful,
35   * but WITHOUT ANY WARRANTY; without even the implied warranty of
36   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
37   * GNU General Public License for more details.
38   *
39   * Contact details for copyright holder:
40   *
41   *     Tim Pizey <timp At paneris.org>
42   *     http://paneris.org/~timp
43   */
44  
45  package org.melati;
46  
47  import org.melati.poem.Persistent;
48  import org.melati.poem.util.StringUtils;
49  
50  
51  /**
52   * Holds the names of the database, table and method and the value of the 
53   * TROID for a POEM session.
54   * A PoemContext can specify an individual database record, a table or the 
55   * whole database.
56   */
57  
58  public class PoemContext {
59  
60    /** The database in use */
61    String logicalDatabase;
62    /** The table in use */
63    String table;
64    /** The troid in use */
65    Integer troid;
66    /** The method in use */
67    String method;
68  
69   /**
70    * Empty constructor.
71    * If you use this then you have to populate the object by hand.
72    */
73    public PoemContext() {  }
74  
75   /**
76    * Constructor.
77    * @param logicalDatabase the name of a logical database
78    * @param table           the name of the table we are dealing with table
79    * @param troid           the Table Row Object ID we are dealing with
80    * @param method          what we are doing to this object
81    */
82    public PoemContext(String logicalDatabase, String table, Integer troid,
83                         String method) {
84      this.logicalDatabase = logicalDatabase;
85      this.table = table;
86      this.troid = troid;
87      this.method = method;
88    }
89  
90    public PoemContext(Persistent p) { 
91      this(p, null);
92    }
93    public PoemContext(Persistent p, String method) { 
94      this.logicalDatabase = p.getDatabase().getName();
95      this.table = p.getTable().getName();
96      this.troid = p.getTroid();
97      this.method = method;
98    }
99    
100  /**
101   * @return a string representation of the state of this class
102   */
103   public String toString() {
104     return "logicalDatabase = " + logicalDatabase + ", " +
105            "table = " + table + ", " +
106            "troid = " + troid + ", " +
107            "method = " + method;
108   }
109 
110 
111  /**
112   * @return the logical database name.
113   */
114   public String getLogicalDatabase() {
115     return logicalDatabase;
116   }
117   
118  /**
119   * @return the table name.
120   */
121   public String getTable() {
122     return table;
123   }
124   
125  /**
126   * @return the TROID.
127   */
128   public Integer getTroid() {
129     return troid;
130   }
131   
132  /**
133   * @return the method.
134   */
135   public String getMethod() {
136     return method;
137   }
138   /**
139    * @param logicalDatabase The logicalDatabase to set.
140    */
141   public void setLogicalDatabase(String logicalDatabase) {
142     this.logicalDatabase = logicalDatabase;
143   }
144   /**
145    * @param method The method to set.
146    */
147   public void setMethod(String method) {
148     this.method = StringUtils.nulled(method);
149   }
150   /**
151    * @param table The table to set.
152    */
153   public void setTable(String table) {
154     this.table = StringUtils.nulled(table); // Can be empty string, but bad practice 
155   }
156   /**
157    * @param troid The troid to set.
158    */
159   public void setTroid(Integer troid) {
160     this.troid = troid;
161   }
162 }