68 lines
2.3 KiB
Java
68 lines
2.3 KiB
Java
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package linda.search.basic;
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import java.util.UUID;
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import java.util.Timer;
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import java.util.TimerTask;
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import java.util.stream.Stream;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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import linda.*;
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public class Manager implements Runnable {
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private Linda linda;
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private UUID reqUUID;
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private String pathname;
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private String search;
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private int bestvalue = Integer.MAX_VALUE; // lower is better
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private String bestresult;
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public Manager(Linda linda, String pathname, String search) {
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this.linda = linda;
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this.pathname = pathname;
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this.search = search;
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}
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private void addSearch(String search) {
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this.search = search;
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this.reqUUID = UUID.randomUUID();
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System.out.println("Search " + this.reqUUID + " for " + this.search);
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linda.eventRegister(Linda.eventMode.TAKE, Linda.eventTiming.IMMEDIATE, new Tuple(Code.Result, this.reqUUID, String.class, Integer.class), new CbGetResult());
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linda.write(new Tuple(Code.Request, this.reqUUID, this.search));
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}
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private void loadData(String pathname) {
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try (Stream<String> stream = Files.lines(Paths.get(pathname))) {
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stream.limit(10000).forEach(s -> linda.write(new Tuple(Code.Value, s.trim())));
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} catch (java.io.IOException e) {
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e.printStackTrace();
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}
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}
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private void waitForEndSearch() {
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linda.take(new Tuple(Code.Searcher, "done", this.reqUUID));
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linda.take(new Tuple(Code.Request, this.reqUUID, String.class)); // remove query
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System.out.println("query done");
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}
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private class CbGetResult implements linda.Callback {
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public void call(Tuple t) { // [ Result, ?UUID, ?String, ?Integer ]
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String s = (String) t.get(2);
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Integer v = (Integer) t.get(3);
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if (v < bestvalue) {
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bestvalue = v;
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bestresult = s;
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System.out.println("New best (" + bestvalue + "): \"" + bestresult + "\"");
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}
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linda.eventRegister(Linda.eventMode.TAKE, Linda.eventTiming.IMMEDIATE, new Tuple(Code.Result, reqUUID, String.class, Integer.class), this);
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}
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}
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public void run() {
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this.loadData(pathname);
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this.addSearch(search);
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this.waitForEndSearch();
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}
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}
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