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WordCount.java
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WordCount.java
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import java.awt.List;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintStream;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
import java.util.Comparator;
import javax.swing.text.html.HTMLDocument.Iterator;
public class WordCount implements Master {
private Map<Integer,ArrayList<String>> m = new HashMap<Integer,ArrayList<String>>();
private Map<String,Integer> res = new HashMap<String,Integer>();
private ArrayList<Integer> a = new ArrayList<Integer>();
private ArrayList<String> files = new ArrayList<String>();
private PrintStream ps = null;
private int sum = 0;
private int counter = 0;
private int port = 0;
private Map<Integer,Integer> ports = new HashMap<Integer,Integer>();
public WordCount(int workerNum, String[] filenames) throws IOException {
for(int i = 0; i<filenames.length; i++) {
int key = i%workerNum;
if(m.containsKey(key)) {
ArrayList<String> temp = new ArrayList<String>();
temp = m.get(key);
temp.add(filenames[i]);
m.put(key, temp);
}
else {
ArrayList<String> temp = new ArrayList<String>();
temp.add(filenames[i]);
m.put(key, temp);
}
}
for(int i = 0; i<workerNum; i++) {
a.add(0);
}
}
public void setOutputStream(PrintStream out) {
ps = out;
//System.setOut(ps);
}
public static void main(String[] args) throws Exception {
}
public void run() {
ServerSocket serverSocket=null;
try {
serverSocket = new ServerSocket(0);
//ports.put(9000, 1);
} catch (IOException e1) {
//System.out.println("stack trace 1");
//e1.printStackTrace();
}
port = serverSocket.getLocalPort();
Socket clientSocket=null;
int index = 0;
while(index<a.size()) {
//System.out.println("index : "+index);
try {
createWorker();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
index++;
}
new Thread(new Runnable() {
private Socket client = null;
private ServerSocket server = null;
public Runnable init(Socket clientSocket, ServerSocket serverSocket) {
this.client = clientSocket;
this.server = serverSocket;
return this;
}
@Override
public void run() {
try { synchronized(this) {
while(sum<a.size() && server!=null&& !server.isClosed()) {
client = server.accept();
//System.out.println("connection");
int temp = counter;
counter++;
ArrayList<String> arg;
if(m.containsKey(temp)) {
arg = m.get(temp);
}
else {
arg=new ArrayList<>();
}
String fileString = "";
for(int i =0; i<arg.size();i++) {
fileString += arg.get(i) + " ";
}
fileString += temp;
//System.out.println(fileString);
BufferedWriter dos;
dos = new BufferedWriter(
new OutputStreamWriter(client.getOutputStream()));
dos.write(fileString);
dos.newLine(); //HERE!!!!!!
dos.flush();
BufferedReader dis= new BufferedReader(new InputStreamReader(client.getInputStream()));
files.add(dis.readLine());
sum++;
// new Thread(new Runnable() {
// private ArrayList<String> list = new ArrayList<String>();
// private Integer key = 0;
// @Override
// public void run() {
//
// BufferedWriter dos;
// try {
// String fileString = "";
// for(int i =0; i<list.size();i++) {
// fileString += list.get(i) + " ";
// }
// fileString += key;
// System.out.println(fileString);
// dos = new BufferedWriter(
// new OutputStreamWriter(client.getOutputStream()));
//
// dos.write(fileString);
// dos.newLine(); //HERE!!!!!!
// dos.flush();
// BufferedReader dis= new BufferedReader(new InputStreamReader(client.getInputStream()));
// files.add(dis.readLine());
// sum++;
//
// } catch (IOException e) {
// e.printStackTrace();
// }
//
// }
//
// public Runnable init(ArrayList<String> param, Integer param2) {
// this.list = param;
// this.key = param2;
// return this;
// }
//
// }.init(arg,temp)).start();
}
client.close();
}
} catch (Exception e) {
//System.out.println("stack trace 1");
// TODO Auto-generated catch block
//System.out.println(e.getMessage());
e.printStackTrace();
}
}
}.init(clientSocket,serverSocket)).start();
// new Thread(new Runnable() {
//
// public void run() {
// try {
// int index = 0;
// while(index<a.size()) {
//
// System.out.println("index : "+index);
// createWorker();
// index++;
// }
//
// } catch (IOException e) {
// System.out.println("stack trace 2");
// e.printStackTrace();
// }
//
// }
// }).start();
new Thread(new Runnable() {
private ServerSocket server = null;
public void run() {
int index = 0;
File space = new File("space.txt");
FileWriter f=null;
try {
f = new FileWriter(space);
while(sum<a.size()) {
f.write("");
//System.out.println("sum");
}
BufferedReader readerSpace = new BufferedReader(new FileReader("space.txt"));
//readerSpace.close();
} catch (IOException e1) {
//System.out.println("stack trace 3");
e1.printStackTrace();
}
for(int i = 0; i<files.size(); i++) {
try {
BufferedReader reader = new BufferedReader(new FileReader(files.get(i)));
String line = null;
try {
line = reader.readLine();
while(line!=null) {
line = line.trim();
if(res.containsKey(line)) {
int t = res.get(line);
t++;
res.put(line, t);
}
else {
res.put(line, 1);
}
line=reader.readLine();
}
reader.close();
} catch (IOException e) {
//System.out.println("stack trace 4");
e.printStackTrace();
}
} catch (FileNotFoundException e) {
//System.out.println("stack trace 5");
e.printStackTrace();
}
}
try {
File file = new File("outputEnd.txt");
FileWriter filewriter = new FileWriter(file);
Object[] as = res.entrySet().toArray();
Arrays.sort(as, new Comparator() {
public int compare(Object obj1, Object obj2) {
if(((Map.Entry<String, Integer>) obj2).getValue().compareTo(
((Map.Entry<String, Integer>) obj1).getValue())==0) {
return ((Map.Entry<String, Integer>) obj1).getKey().compareTo(
((Map.Entry<String, Integer>) obj2).getKey());
}
return ((Map.Entry<String, Integer>) obj2).getValue().compareTo(
((Map.Entry<String, Integer>) obj1).getValue());
}
});
for (Object e : as) {
String p = ((Map.Entry<String, Integer>) e).getValue() + " : "
+ ((Map.Entry<String, Integer>) e).getKey();
if(!((Map.Entry<String, Integer>) e).getKey().trim().isEmpty()) {
p+='\n';
filewriter.write(p);
ps.write(p.getBytes());
}
//System.out.println(p);
}
filewriter.close();
server.close();
} catch (IOException e) {
//System.out.println("stack trace 6");
e.printStackTrace();
}
}
public Runnable init(ServerSocket serverSocket) {
server = serverSocket;
return this;
}
}.init(serverSocket)).start();
}
public Collection<Process> getActiveProcess() {
return new LinkedList<>();
}
public void createWorker() throws IOException {
ProcessBuilder builder = new ProcessBuilder("java","-cp","bin","Worker",""+port);
builder.redirectOutput(new File("a.txt"));
Process process = builder.start();
}
}