Mercurial > hg > monetdb-java

annotate src/main/java/org/monetdb/mcl/net/Parameter.java @ 864:b80758ef25db

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Add missing license headers
author Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
date Thu, 01 Feb 2024 17:45:49 +0100 (15 months ago)
parents 4d80fd66541d
children 5a59910e8f87
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864
b80758ef25db Add missing license headers
Martin van Dinther <martin.van.dinther@monetdbsolutions.com>
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1 /*
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2 * SPDX-License-Identifier: MPL-2.0
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3 *
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4 * This Source Code Form is subject to the terms of the Mozilla Public
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5 * License, v. 2.0. If a copy of the MPL was not distributed with this
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6 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
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7 *
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8 * Copyright 2024 MonetDB Foundation;
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9 * Copyright August 2008 - 2023 MonetDB B.V.;
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10 * Copyright 1997 - July 2008 CWI.
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11 */
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12
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13 package org.monetdb.mcl.net;
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14
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15 import java.util.Calendar;
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16
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17 /**
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18 * Enumerates things that can be configured on a connection to MonetDB.
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19 */
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20 public enum Parameter {
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21 TLS("tls", ParameterType.Bool, false, "secure the connection using TLS", true),
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22 HOST("host", ParameterType.Str, "", "IP number, domain name or one of the special values `localhost` and `localhost.`", true),
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23 PORT("port", ParameterType.Int, -1, "Port to connect to, 1..65535 or -1 for 'not set'", true),
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24 DATABASE("database", ParameterType.Str, "", "name of database to connect to", true),
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25 TABLESCHEMA("tableschema", ParameterType.Str, "", "only used for REMOTE TABLE, otherwise unused", true),
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26 TABLE("table", ParameterType.Str, "", "only used for REMOTE TABLE, otherwise unused", true),
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27 SOCK("sock", ParameterType.Path, "", "path to Unix domain socket to connect to", false),
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28 SOCKDIR("sockdir", ParameterType.Path, "/tmp", "Directory for implicit Unix domain sockets (.s.monetdb.PORT)", false),
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29 CERT("cert", ParameterType.Path, "", "path to TLS certificate to authenticate server with", false),
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30 CERTHASH("certhash", ParameterType.Str, "", "hash of server TLS certificate must start with these hex digits; overrides cert", false),
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31 CLIENTKEY("clientkey", ParameterType.Path, "", "path to TLS key (+certs) to authenticate with as client", false),
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32 CLIENTCERT("clientcert", ParameterType.Path, "", "path to TLS certs for 'clientkey', if not included there", false),
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33 USER("user", ParameterType.Str, "", "user name to authenticate as", false),
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34 PASSWORD("password", ParameterType.Str, "", "password to authenticate with", false),
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35 LANGUAGE("language", ParameterType.Str, "sql", "for example, \"sql\", \"mal\", \"msql\", \"profiler\"", false),
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36 AUTOCOMMIT("autocommit", ParameterType.Bool, true, "initial value of autocommit", false),
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37 SCHEMA("schema", ParameterType.Str, "", "initial schema", false),
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38 TIMEZONE("timezone", ParameterType.Int, null, "client time zone as minutes east of UTC", false),
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39 BINARY("binary", ParameterType.Str, "on", "whether to use binary result set format (number or bool)", false),
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40 REPLYSIZE("replysize", ParameterType.Int, 250, "rows beyond this limit are retrieved on demand, <1 means unlimited", false),
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41 FETCHSIZE("fetchsize", ParameterType.Int, null, "alias for replysize, specific to jdbc", false),
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42 HASH("hash", ParameterType.Str, "", "specific to jdbc", false),
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43 DEBUG("debug", ParameterType.Bool, false, "specific to jdbc", false),
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44 LOGFILE("logfile", ParameterType.Str, "", "specific to jdbc", false),
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45 SO_TIMEOUT("so_timeout", ParameterType.Int, 0, "abort if network I/O does not complete in this many milliseconds", false), CLOB_AS_VARCHAR("treat_clob_as_varchar", ParameterType.Bool, true, "return CLOB/TEXT data as type VARCHAR instead of type CLOB", false), BLOB_AS_BINARY("treat_blob_as_binary", ParameterType.Bool, true, "return BLOB data as type BINARY instead of type BLOB", false),
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46 ;
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47
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48 public final String name;
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49 public final ParameterType type;
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50 public final String description;
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51 public final boolean isCore;
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52 private final Object defaultValue;
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53
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54 Parameter(String name, ParameterType type, Object defaultValue, String description, boolean isCore) {
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55 this.name = name;
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56 this.type = type;
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57 this.isCore = isCore;
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58 this.defaultValue = defaultValue;
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59 this.description = description;
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60 }
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61
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62 public static Parameter forName(String name) {
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63 switch (name) {
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64 case "tls":
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65 return TLS;
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66 case "host":
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67 return HOST;
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68 case "port":
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69 return PORT;
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70 case "database":
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71 return DATABASE;
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72 case "tableschema":
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73 return TABLESCHEMA;
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74 case "table":
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75 return TABLE;
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76 case "sock":
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77 return SOCK;
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78 case "sockdir":
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79 return SOCKDIR;
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80 case "cert":
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81 return CERT;
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82 case "certhash":
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83 return CERTHASH;
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84 case "clientkey":
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85 return CLIENTKEY;
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86 case "clientcert":
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87 return CLIENTCERT;
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88 case "user":
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89 return USER;
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90 case "password":
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91 return PASSWORD;
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92 case "language":
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93 return LANGUAGE;
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94 case "autocommit":
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95 return AUTOCOMMIT;
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96 case "schema":
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97 return SCHEMA;
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98 case "timezone":
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99 return TIMEZONE;
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100 case "binary":
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101 return BINARY;
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102 case "replysize":
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103 return REPLYSIZE;
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104 case "fetchsize":
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105 return FETCHSIZE;
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106 case "hash":
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107 return HASH;
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108 case "debug":
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109 return DEBUG;
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110 case "logfile":
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111 return LOGFILE;
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112 case "so_timeout":
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113 return SO_TIMEOUT;
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114 case "treat_clob_as_varchar":
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115 return CLOB_AS_VARCHAR;
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116 case "treat_blob_as_binary":
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117 return BLOB_AS_BINARY;
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118 default:
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119 return null;
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120 }
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121 }
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122
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123 /**
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124 * Determine if a given setting can safely be ignored.
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125 * The ground rule is that if we encounter an unknown setting
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126 * without an underscore in the name, it is an error. If it has
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127 * an underscore in its name, it can be ignored.
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128 *
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129 * @param name the name of the setting to check
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130 * @return true if it can safely be ignored
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131 */
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132 public static boolean isIgnored(String name) {
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133 if (Parameter.forName(name) != null)
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134 return false;
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135 return name.contains("_");
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136 }
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137
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138 /**
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139 * Return a default value for the given setting, as an Object of the appropriate type.
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140 * Note that the value returned for TIMEZONE may change if the system time zone
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141 * is changed or if Daylight Saving Time starts or ends.
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142 *
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143 * @return
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144 */
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145 public Object getDefault() {
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146 switch (this) {
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147 case TIMEZONE:
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148 Calendar cal = Calendar.getInstance();
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149 int offsetMillis = cal.get(Calendar.ZONE_OFFSET) + cal.get(Calendar.DST_OFFSET);
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150 int offsetSeconds = offsetMillis / 1000;
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151 return offsetSeconds;
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152 default:
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153 return defaultValue;
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154 }
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155 }
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156 }