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 }