101 lines
2.7 KiB
Java
Executable File
101 lines
2.7 KiB
Java
Executable File
package mrbesen;
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import java.io.File;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Scanner;
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import Core.Program;
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import Job.Job;
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import Job.Result.PartialResult;
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public class PrimeFinder extends Program {
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List<Double> primes = new ArrayList<Double>();
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double count = -1;
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File file = new File("primes");
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int save_count;//to save every 20 times
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int save_intervall = 100;
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@Override
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public void run() {
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//load primes
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try {
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if(file.exists()) {
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FileReader fr = new FileReader(file);
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Scanner frs = new Scanner(fr);
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int i = 0;
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while(frs.hasNextLine()) {
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primes.add(Double.parseDouble(frs.nextLine()));
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i ++;
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}
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frs.close();
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System.out.println(i + " primes loaded. last prime: " + primes.get(primes.size()-1));
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} else {
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System.out.println("No Primes-file found, starting with 2");
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primes.add(2D);
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}
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for(int i = 0; i < 50; i++) {
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checkforprime();
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}
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} catch(IOException e) {}
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}
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public void checkforprime() {
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if(count == -1)
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count = primes.get(primes.size()-1)+1;
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String insert = PrimetoString(count);
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jobmanager.enque(new Job("import Job.Jobsrc;\nimport Job.Result;\nimport Job.Result.ResultType;\npublic class A" + insert + " extends Jobsrc{\n double num = " + insert + ";\n @Override\n public Result run() {\n Result r = new Result();\n for(double test = num; test < num + 200; test = test +2) {\n for(double i = 2; i * i <= test+2; i++) {\n if(test%i == 0)\n r.add(r.new PartialResult(ResultType.Value, test + \"|\" + false));\n }\n r.add(r.new PartialResult(ResultType.Value, test + \"|\" + true));\n }\n return r;\n }\n}") );
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count+= 200;
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}
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public void save() throws Exception{
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save_count = 0;
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if(!file.exists())
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file.createNewFile();
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FileWriter fw = new FileWriter(file);
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for(Double doub : primes) {
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fw.write(PrimetoString(doub)+"\n");
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}
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fw.close();
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System.out.println("Primes saved");
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}
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private String PrimetoString(double prime) {
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String out = prime + "";
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out = out.substring(0,out.length()-2);
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return out;
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}
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@Override
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public void HandlePartialResult(PartialResult pres) {
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checkforprime();//enque next
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if(pres.obj instanceof String) {
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String return_ = (String) pres.obj;
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System.out.println("Recived Result: " + return_);
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String[] split = return_.split("\\|", 2);
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if(split[1].equalsIgnoreCase("true")) {
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System.out.println("Prime Found: " + split[0]);
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primes.add(Double.parseDouble(split[0]));
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}
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}
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save_count++;
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if(save_count >=save_intervall)
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try {
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save();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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