daoas/daoadresseservice/DataLoader.java

package dk.daoas.daoadresseservice;

import java.sql.SQLException;

import javax.servlet.ServletContext;

import dk.daoas.daoadresseservice.admin.ServiceConfig;
import dk.daoas.daoadresseservice.db.DatabaseLayerImplementation;

public class DataLoader {
        
        boolean isRunning = false;
        
        ServiceConfig config; 
        
        ServletContext ctxt;
        public DataLoader(ServletContext ctxt,ServiceConfig conf) {
                this.ctxt = ctxt;
                
                config = conf;
        }
        
        public void doLoad() {
                synchronized(this) {
                        if (isRunning == false) {
                                isRunning = true;
                                
                                Thread t = new Thread( new DataLoadWorker(this), "SearchDataLoader");
                                t.start();
                        }
                }
        }
        
        public boolean isRunning() {
                synchronized(this) {
                        return isRunning;       
                }               
        }
        
        protected void  setRunningFalse() {
                synchronized(this) {
                        isRunning = false;
                }
        }

        
        
        
        public static class DataLoadWorker implements Runnable {
                DataLoader loader;
                public DataLoadWorker(DataLoader ld) {
                        this.loader = ld;
                }
                

                @Override
                public void run() {
        
                
                try {
                        AddressSearch search = new AddressSearch(new DatabaseLayerImplementation(), loader.config);
                        search.buildSearchStructures();
                        
                        AddressSearch oldSearch = (AddressSearch) loader.ctxt.getAttribute("search");
                        loader.ctxt.setAttribute("search", search);
                        
                        if (oldSearch != null) {
                                oldSearch.clear();
                        }
                                                
                } catch (SQLException e) {
                        System.out.println("Error loading data: " + e.getMessage());
                } finally {
                        loader.setRunningFalse();
                }
                
                }
                

        }

}
1	package dk.daoas.daoadresseservice;
2
3	import java.sql.SQLException;
4
5	import javax.servlet.ServletContext;
6
7	import dk.daoas.daoadresseservice.admin.ServiceConfig;
8	import dk.daoas.daoadresseservice.db.DatabaseLayerImplementation;
9
10	public class DataLoader {
11
12	boolean isRunning = false;
13
14	ServiceConfig config;
15
16	ServletContext ctxt;
17	public DataLoader(ServletContext ctxt,ServiceConfig conf) {
18	this.ctxt = ctxt;
19
20	config = conf;
21	}
22
23	public void doLoad() {
24	synchronized(this) {
25	if (isRunning == false) {
26	isRunning = true;
27
28	Thread t = new Thread( new DataLoadWorker(this), "SearchDataLoader");
29	t.start();
30	}
31	}
32	}
33
34	public boolean isRunning() {
35	synchronized(this) {
36	return isRunning;
37	}
38	}
39
40	protected void setRunningFalse() {
41	synchronized(this) {
42	isRunning = false;
43	}
44	}
45
46
47
48
49	public static class DataLoadWorker implements Runnable {
50	DataLoader loader;
51	public DataLoadWorker(DataLoader ld) {
52	this.loader = ld;
53	}
54
55
56	@Override
57	public void run() {
58
59
60	try {
61	AddressSearch search = new AddressSearch(new DatabaseLayerImplementation(), loader.config);
62	search.buildSearchStructures();
63
64	AddressSearch oldSearch = (AddressSearch) loader.ctxt.getAttribute("search");
65	loader.ctxt.setAttribute("search", search);
66
67	if (oldSearch != null) {
68	oldSearch.clear();
69	}
70
71	} catch (SQLException e) {
72	System.out.println("Error loading data: " + e.getMessage());
73	} finally {
74	loader.setRunningFalse();
75	}
76
77	}
78
79
80	}
81
82	}