/[projects]/dao/DaoAdresseService/src/main/java/dk/daoas/daoadresseservice/DataLoader.java
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Annotation of /dao/DaoAdresseService/src/main/java/dk/daoas/daoadresseservice/DataLoader.java

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Revision 3045 - (hide annotations) (download)
Thu Jun 9 09:53:13 2016 UTC (7 years, 11 months ago) by torben
File size: 4385 byte(s)
1) Better handling when loading throws an exception
2) Don't fail with NPE if we didn't have a transporttype for target route
1 torben 2337 package dk.daoas.daoadresseservice;
2    
3     import java.sql.SQLException;
4 torben 2768 import java.util.Properties;
5     import java.util.logging.Logger;
6 torben 2337
7 torben 2768 import javax.mail.Message;
8 torben 2833 import javax.mail.MessagingException;
9 torben 2768 import javax.mail.Session;
10     import javax.mail.Transport;
11     import javax.mail.internet.InternetAddress;
12     import javax.mail.internet.MimeMessage;
13 torben 2337 import javax.servlet.ServletContext;
14    
15 torben 2350 import dk.daoas.daoadresseservice.admin.ServiceConfig;
16 torben 2769 import dk.daoas.daoadresseservice.beans.DataStatisticsBean;
17 torben 2608 import dk.daoas.daoadresseservice.db.DatabaseLayerImplementation;
18 torben 2350
19 torben 2337 public class DataLoader {
20 torben 3045
21 torben 2337 boolean isRunning = false;
22 torben 3045
23 torben 2350 ServiceConfig config;
24 torben 3045
25 torben 2337 ServletContext ctxt;
26 torben 2351 public DataLoader(ServletContext ctxt,ServiceConfig conf) {
27 torben 2337 this.ctxt = ctxt;
28 torben 3045
29 torben 2351 config = conf;
30 torben 2337 }
31 torben 3045
32 torben 2769 public void doLoad(String trigger) {
33 torben 2337 synchronized(this) {
34     if (isRunning == false) {
35     isRunning = true;
36 torben 3045
37 torben 2769 Thread t = new Thread( new DataLoadWorker(this, trigger), "SearchDataLoader");
38 torben 2337 t.start();
39     }
40     }
41     }
42 torben 3045
43 torben 2337 public boolean isRunning() {
44     synchronized(this) {
45     return isRunning;
46     }
47     }
48 torben 3045
49 torben 2337 protected void setRunningFalse() {
50     synchronized(this) {
51     isRunning = false;
52     }
53     }
54    
55 torben 3045
56    
57    
58 torben 2337 public static class DataLoadWorker implements Runnable {
59 torben 3045
60 torben 2768 static final Logger logger = Logger.getLogger(DataLoadWorker.class.getName());
61 torben 3045
62 torben 2337 DataLoader loader;
63 torben 2769 String trigger;
64     public DataLoadWorker(DataLoader ld, String trigger) {
65 torben 2337 this.loader = ld;
66 torben 2769 this.trigger = trigger;
67 torben 2337 }
68    
69 torben 3045
70 torben 2337 @Override
71     public void run() {
72 torben 3045
73    
74     try {
75     AddressSearch search = new AddressSearch(new DatabaseLayerImplementation(), loader.config);
76     search.buildSearchStructures();
77    
78     AddressSearch oldSearch = (AddressSearch) loader.ctxt.getAttribute("search");
79     loader.ctxt.setAttribute("search", search);
80    
81     if (loader.config.notifyEmail != null && loader.config.notifyEmail.length() > 0) {
82     DataStatisticsBean oldStats = oldSearch != null ? oldSearch.getStatistics() : null;
83     sendStatusEmail(search.getStatistics(), oldStats);
84     }
85    
86     if (oldSearch != null) {
87     oldSearch.clear();
88     }
89    
90     } catch (Exception e) {
91     sendEmail("Load errror", "Error loading data: " + e.getMessage() );
92     System.out.println("Error loading data: " + e.getMessage() );
93     e.printStackTrace();
94    
95     } finally {
96     loader.setRunningFalse();
97     }
98    
99 torben 2337 }
100 torben 3045
101     protected void sendEmail(String subject, String body) {
102 torben 2768 Properties props = new Properties();
103     props.put("mail.smtp.host", "10.30.1.28");
104 torben 3045
105     // create a message
106 torben 2768 try {
107 torben 3045
108     // create some properties and get the default Session
109     Session session = Session.getDefaultInstance(props, null);
110     session.setDebug(false);
111    
112     MimeMessage msg = new MimeMessage(session);
113     msg.setFrom( new InternetAddress("no-reply@daoas.dk") );
114    
115     msg.setRecipient(Message.RecipientType.TO, new InternetAddress(loader.config.notifyEmail) );
116     msg.setSubject(subject);
117     msg.setText(body);
118    
119     Transport.send(msg);
120 torben 2833 } catch (MessagingException e) {
121 torben 2768 logger.warning("Unable to send CircuitBreaker notification mail " + e );
122     }
123 torben 3045
124    
125 torben 2768 }
126 torben 2337
127 torben 3045 protected void sendStatusEmail(DataStatisticsBean newStats, DataStatisticsBean oldStats) {
128    
129     String body = "Trigger: " + trigger + "\r\n\r\n";
130     body += "New stats:\r\n";
131    
132     body += "Direkte: " + newStats.direkteCount + "\r\n";
133     body += "Extended: " + newStats.extendedCount + "\r\n";
134     body += "100%: " + newStats.hundredePctCount + "\r\n";
135     body += "Ikke-daekket: " + newStats.ikkeDaekketCount + "\r\n";
136     body += "Total: " + newStats.totalCount + "\r\n";
137     body += "Elapsed: " + newStats.elapsed + "\r\n";
138    
139     if (oldStats != null) {
140     body += "\r\n";
141     body += "Delta to previous\r\n";
142     body += "Direkte: " + (newStats.direkteCount-oldStats.direkteCount) + "\r\n";
143     body += "Extended: " + (newStats.extendedCount-oldStats.extendedCount) + "\r\n";
144     body += "100: " + (newStats.hundredePctCount-oldStats.hundredePctCount) + "\r\n";
145     body += "Ikke-daekket: " + (newStats.ikkeDaekketCount-oldStats.ikkeDaekketCount) + "\r\n";
146     body += "Total: " + (newStats.totalCount-oldStats.totalCount) + "\r\n";
147    
148     }
149    
150     sendEmail("DaoAdresseService load, trigger: " + trigger, body);
151    
152     }
153 torben 2337 }
154    
155     }

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