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torben |
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package dk.daoas.daoadresseservice;
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import java.sql.SQLException;
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import javax.servlet.ServletContext;
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public class DataLoader {
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boolean isRunning = false;
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ServletContext ctxt;
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public DataLoader(ServletContext ctxt) {
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this.ctxt = ctxt;
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}
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public void doLoad() {
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synchronized(this) {
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if (isRunning == false) {
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isRunning = true;
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Thread t = new Thread( new DataLoadWorker(this), "SearchDataLoader");
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t.start();
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}
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}
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}
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public boolean isRunning() {
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synchronized(this) {
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return isRunning;
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}
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}
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protected void setRunningFalse() {
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synchronized(this) {
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isRunning = false;
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}
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}
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public static class DataLoadWorker implements Runnable {
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DataLoader loader;
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public DataLoadWorker(DataLoader ld) {
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this.loader = ld;
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}
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@Override
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public void run() {
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try {
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AdressSearch search = new AdressSearch();
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search.buildSearchStructures();
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AdressSearch oldSearch = (AdressSearch) loader.ctxt.getAttribute("search");
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loader.ctxt.setAttribute("search", search);
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if (oldSearch != null) {
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oldSearch.clear();
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}
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} catch (SQLException e) {
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System.out.println("Error loading data: " + e.getMessage());
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} finally {
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loader.setRunningFalse();
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}
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}
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}
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}
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