Mercurial > dive4elements > river

annotate etl/src/main/java/org/dive4elements/river/etl/aft/Sync.java @ 5841:8bd9b551456c

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Added header to Java files in ETL process.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 17:06:50 +0200
parents 5aa05a7a34b7
children 6f80d5f375fd
rev   line source
5841
8bd9b551456c Added header to Java files in ETL process.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
8bd9b551456c Added header to Java files in ETL process.
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.etl.aft;
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10
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11 import org.dive4elements.river.etl.db.ConnectionBuilder;
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12
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13 import org.dive4elements.river.etl.utils.XML;
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14
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15 import java.io.File;
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16
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17 import java.net.MalformedURLException;
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18 import java.net.URL;
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19
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20 import java.sql.SQLException;
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21
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22 import javax.xml.xpath.XPathConstants;
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23
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24 import org.apache.log4j.Logger;
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25
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26 import org.w3c.dom.Document;
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27 import org.w3c.dom.Element;
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28 import org.w3c.dom.NodeList;
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29
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30 public class Sync
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31 {
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32 private static Logger log = Logger.getLogger(Sync.class);
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33
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34 public static final String FLYS = "flys";
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35 public static final String AFT = "aft";
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36
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37 public static final String XPATH_DIPS = "/sync/dips/file/text()";
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38 public static final String XPATH_REPAIR = "/sync/dips/repair/text()";
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39
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40 public static final String XPATH_NOTIFICATIONS =
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41 "/sync/notifications/notification";
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42
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43 public static final String CONFIG_FILE =
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44 System.getProperty("config.file", "config.xml");
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45
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46 public static void sendNotifications(Document config) {
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47 NodeList notifications = (NodeList)XML.xpath(
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48 config, XPATH_NOTIFICATIONS, XPathConstants.NODESET, null, null);
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49
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50 if (notifications == null) {
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51 return;
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52 }
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53
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54 for (int i = 0, N = notifications.getLength(); i < N; ++i) {
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55 Element notification = (Element)notifications.item(i);
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56 String urlString = notification.getAttribute("url");
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57
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58 URL url;
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59 try {
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60 url = new URL(urlString);
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61 }
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62 catch (MalformedURLException mfue) {
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63 log.warn("NOTIFY: Invalid URL '" + urlString + "'. Ignored.", mfue);
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64 continue;
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65 }
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66
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67 Notification n = new Notification(notification);
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68
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69 Document result = n.sendPOST(url);
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70
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71 if (result != null) {
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72 log.info("Send notifcation to '" + urlString + "'.");
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73 log.info(XML.toString(result));
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74 }
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75 }
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76 }
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77
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78 public static void main(String [] args) {
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79
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80 File configFile = new File(CONFIG_FILE);
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81
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82 if (!configFile.isFile() || !configFile.canRead()) {
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83 log.error("cannot read config file");
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84 System.exit(1);
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85 }
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86
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87 Document config = XML.parseDocument(configFile, Boolean.FALSE);
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88
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89 if (config == null) {
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90 log.error("Cannot load config file.");
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91 System.exit(1);
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92 }
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93
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94 String dipsF = (String)XML.xpath(
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95 config, XPATH_DIPS, XPathConstants.STRING, null, null);
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96
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97 if (dipsF == null || dipsF.length() == 0) {
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98 log.error("Cannot find path to DIPS XML in config.");
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99 System.exit(1);
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100 }
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101
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102 File dipsFile = new File(dipsF);
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103
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104 if (!dipsFile.isFile() || !dipsFile.canRead()) {
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105 log.error("DIPS: Cannot find '" + dipsF + "'.");
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106 System.exit(1);
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107 }
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108
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109 Document dips = XML.parseDocument(dipsFile, Boolean.FALSE);
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110
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111 if (dips == null) {
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112 log.error("DIPS: Cannot load DIPS document.");
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113 System.exit(1);
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114 }
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115
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116 String repairF = (String)XML.xpath(
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117 config, XPATH_REPAIR, XPathConstants.STRING, null, null);
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118
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119 if (repairF != null && repairF.length() > 0) {
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120 File repairFile = new File(repairF);
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121 if (!repairFile.isFile() || !repairFile.canRead()) {
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122 log.warn("REPAIR: Cannot open DIPS repair XSLT file.");
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123 }
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124 else {
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parents: 4077
diff changeset
125 Document fixed = XML.transform(dips, repairFile);
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parents: 4077
diff changeset
126 if (fixed == null) {
4110
06891562e633 Extracted and documented the error messages of the process.
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diff changeset
127 log.warn("REPAIR: Fixing DIPS failed.");
4083
44dc38ca8492 Added an optional XSL transformation to fix the raw DIPS files.
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diff changeset
128 }
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diff changeset
129 else {
44dc38ca8492 Added an optional XSL transformation to fix the raw DIPS files.
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diff changeset
130 dips = fixed;
44dc38ca8492 Added an optional XSL transformation to fix the raw DIPS files.
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diff changeset
131 }
44dc38ca8492 Added an optional XSL transformation to fix the raw DIPS files.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4077
diff changeset
132 }
44dc38ca8492 Added an optional XSL transformation to fix the raw DIPS files.
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parents: 4077
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133 }
4090
d556e29592f5 Create new discharge tables if needed.
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diff changeset
134
d556e29592f5 Create new discharge tables if needed.
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diff changeset
135 int exitCode = 0;
4083
44dc38ca8492 Added an optional XSL transformation to fix the raw DIPS files.
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parents: 4077
diff changeset
136
4073
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
137 ConnectionBuilder aftConnectionBuilder =
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
138 new ConnectionBuilder(AFT, config);
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
139
4072
88f801888d85 load configuration an setup db connections.
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parents: 4067
diff changeset
140 ConnectionBuilder flysConnectionBuilder =
88f801888d85 load configuration an setup db connections.
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parents: 4067
diff changeset
141 new ConnectionBuilder(FLYS, config);
88f801888d85 load configuration an setup db connections.
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parents: 4067
diff changeset
142
4077
97de7a552b79 Load DIPS XML
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parents: 4075
diff changeset
143 SyncContext syncContext = null;
4094
b20b710aa86f Bubble up modifications up to main().
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diff changeset
144
b20b710aa86f Bubble up modifications up to main().
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diff changeset
145 boolean modified = false;
4073
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
146 try {
4077
97de7a552b79 Load DIPS XML
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parents: 4075
diff changeset
147 syncContext = new SyncContext(
97de7a552b79 Load DIPS XML
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parents: 4075
diff changeset
148 aftConnectionBuilder.getConnectedStatements(),
97de7a552b79 Load DIPS XML
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4075
diff changeset
149 flysConnectionBuilder.getConnectedStatements(),
97de7a552b79 Load DIPS XML
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parents: 4075
diff changeset
150 dips);
4089
859b4781554a Prefetch existing time intervals from FLYS db.
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parents: 4083
diff changeset
151 syncContext.init();
4075
dbd0b3b1b8b8 Sync each river.
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parents: 4073
diff changeset
152 Rivers rivers = new Rivers();
4094
b20b710aa86f Bubble up modifications up to main().
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diff changeset
153 modified = rivers.sync(syncContext);
4073
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
154 }
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
155 catch (SQLException sqle) {
4110
06891562e633 Extracted and documented the error messages of the process.
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parents: 4104
diff changeset
156 log.error("SYNC: Syncing failed.", sqle);
4090
d556e29592f5 Create new discharge tables if needed.
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parents: 4089
diff changeset
157 exitCode = 1;
4073
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
158 }
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
159 finally {
4077
97de7a552b79 Load DIPS XML
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parents: 4075
diff changeset
160 if (syncContext != null) {
97de7a552b79 Load DIPS XML
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parents: 4075
diff changeset
161 syncContext.close();
4075
dbd0b3b1b8b8 Sync each river.
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parents: 4073
diff changeset
162 }
4073
2c70fae83d0c start syncing at river level.
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parents: 4072
diff changeset
163 }
4090
d556e29592f5 Create new discharge tables if needed.
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parents: 4089
diff changeset
164
4095
da9df3641578 Send XML messages via HTTP POST around if the FLYS database has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4094
diff changeset
165 if (modified) {
4104
cdcf98245e36 Commit/rollback changes if a gauge is only updated.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4095
diff changeset
166 log.info("Modifications found.");
4095
da9df3641578 Send XML messages via HTTP POST around if the FLYS database has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4094
diff changeset
167 sendNotifications(config);
da9df3641578 Send XML messages via HTTP POST around if the FLYS database has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4094
diff changeset
168 }
4104
cdcf98245e36 Commit/rollback changes if a gauge is only updated.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4095
diff changeset
169 else {
cdcf98245e36 Commit/rollback changes if a gauge is only updated.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4095
diff changeset
170 log.info("No modifications found.");
cdcf98245e36 Commit/rollback changes if a gauge is only updated.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4095
diff changeset
171 }
4095
da9df3641578 Send XML messages via HTTP POST around if the FLYS database has changed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4094
diff changeset
172
4090
d556e29592f5 Create new discharge tables if needed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4089
diff changeset
173 if (exitCode != 0) {
d556e29592f5 Create new discharge tables if needed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4089
diff changeset
174 System.exit(1);
d556e29592f5 Create new discharge tables if needed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 4089
diff changeset
175 }
4067
d5aed044ca0d Added AFT sync module.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
176 }
d5aed044ca0d Added AFT sync module.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
177 }
d5aed044ca0d Added AFT sync module.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
178 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org