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1   /*
2    * This file is part of Waarp Project (named also Waarp or GG).
3    *
4    *  Copyright (c) 2019, Waarp SAS, and individual contributors by the @author
5    *  tags. See the COPYRIGHT.txt in the distribution for a full listing of
6    * individual contributors.
7    *
8    *  All Waarp Project is free software: you can redistribute it and/or
9    * modify it under the terms of the GNU General Public License as published by
10   * the Free Software Foundation, either version 3 of the License, or (at your
11   * option) any later version.
12   *
13   * Waarp is distributed in the hope that it will be useful, but WITHOUT ANY
14   * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
15   * A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16   *
17   *  You should have received a copy of the GNU General Public License along with
18   * Waarp . If not, see <http://www.gnu.org/licenses/>.
19   */
20  package org.waarp.common.database;
21  
22  import org.waarp.common.database.model.DbType;
23  import org.waarp.common.logging.WaarpLogger;
24  import org.waarp.common.logging.WaarpLoggerFactory;
25  
26  import java.sql.SQLException;
27  
28  /**
29   * Constants value for database
30   */
31  public class DbConstant {
32    /**
33     * Internal Logger
34     */
35    private static final WaarpLogger logger =
36        WaarpLoggerFactory.getLogger(DbConstant.class);
37    /**
38     * Illegal value as SpecialId of transfer (any value above is valid)
39     */
40    public static final long ILLEGALVALUE = Long.MIN_VALUE;
41    /**
42     * The current DbAdmin object
43     */
44    public static DbAdmin admin;
45    /**
46     * The no-commit DbAdmin object
47     */
48    public static DbAdmin noCommitAdmin;
49    /**
50     * How long to wait in second for a validation of connection (isValid(time))
51     */
52    public static final int VALIDTESTDURATION = 2;
53    /**
54     * Number of Database max connection (if pooled)
55     */
56    public static final int MAXCONNECTION = 5000;
57    /**
58     * Delay in second to try to connect
59     */
60    public static final int DELAYMAXCONNECTION = 30;
61  
62    /**
63     * Print the error from SQLException
64     *
65     * @param ex
66     */
67    public static void error(final SQLException ex) {
68      // handle any errors
69      logger.error(
70          "SQLException: " + ex.getMessage() + " SQLState: " + ex.getSQLState() +
71          " VendorError: " + ex.getErrorCode());
72    }
73  
74    /**
75     * @return True if Db is used
76     */
77    public static boolean isDbUsed() {
78      return admin != null && admin.getTypeDriver() != null &&
79             admin.getTypeDriver() != DbType.none;
80    }
81  }