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jx35 cpd20 lab march 3 #47

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3 changes: 3 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -5,3 +5,6 @@ Making a change!!!

Even more changes :)


I am changing the readme

138 changes: 85 additions & 53 deletions src/Bins.java
Original file line number Diff line number Diff line change
@@ -1,10 +1,16 @@
import java.io.File;
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.PriorityQueue;
import java.util.Scanner;
import java.util.function.Function;
import java.util.stream.Collectors;

import com.sun.xml.internal.bind.v2.runtime.unmarshaller.XsiNilLoader.Array;

/**
* Runs a number of algorithms that try to fit files onto disks.
Expand All @@ -31,62 +37,88 @@ public List<Integer> readData (Scanner input) {
*/
public static void main (String args[]) {
Bins b = new Bins();
Scanner input = new Scanner(Bins.class.getClassLoader().getResourceAsStream(DATA_FILE));
List<Integer> data = b.readData(input);

PriorityQueue<Disk> pq = new PriorityQueue<Disk>();
pq.add(new Disk(0));
b.go();
}
/**
*
*/
public void go(){
Scanner input = new Scanner(Bins.class.getClassLoader().getResourceAsStream(DATA_FILE));
List<Integer> data = this.readData(input);
PriorityQueue<Disk> pq = new PriorityQueue<Disk>();
worstFitDecreasing(pq, data);
worstFit(pq, data);
Integer [] nums = {1, 2, 3, 4, 5, 6, 7, 8};
List<Integer> toTransform = Arrays.asList(nums);
fitDisksAndPrint(toTransform, (in) -> in.stream()
.filter((elem) -> elem%2 == 0).collect(Collectors.toList()));

}

public void fitDisksAndPrint(List<Integer> toTransform, Function<List<Integer>, List<Integer>> func){
List<Integer> transformed = func.apply(toTransform);
transformed.forEach(System.out::println);

}

int diskId = 1;
int total = 0;
for (Integer size : data) {
Disk d = pq.peek();
if (d.freeSpace() > size) {
pq.poll();
d.add(size);
pq.add(d);
} else {
Disk d2 = new Disk(diskId);
diskId++;
d2.add(size);
pq.add(d2);
}
total += size;
}
public void worstFitDecreasing(PriorityQueue<Disk> pq, List<Integer> data){
Collections.sort(data, Collections.reverseOrder());
pq.add(new Disk(0));

System.out.println("total size = " + total / 1000000.0 + "GB");
System.out.println();
System.out.println("worst-fit method");
System.out.println("number of pq used: " + pq.size());
while (!pq.isEmpty()) {
System.out.println(pq.poll());
}
System.out.println();
int diskId = 1;
for (Integer size : data) {
Disk d = pq.peek();
if (d.freeSpace() >= size) {
pq.poll();
d.add(size);
pq.add(d);
} else {
Disk d2 = new Disk(diskId);
diskId++;
d2.add(size);
pq.add(d2);
}
}

Collections.sort(data, Collections.reverseOrder());
pq.add(new Disk(0));
System.out.println();
System.out.println("worst-fit decreasing method");
System.out.println("number of pq used: " + pq.size());
while (!pq.isEmpty()) {
System.out.println(pq.poll());
}
System.out.println();
}

public void worstFit (PriorityQueue<Disk> pq, List<Integer> data ) {
//algo

pq.add(new Disk(0));

diskId = 1;
for (Integer size : data) {
Disk d = pq.peek();
if (d.freeSpace() >= size) {
pq.poll();
d.add(size);
pq.add(d);
} else {
Disk d2 = new Disk(diskId);
diskId++;
d2.add(size);
pq.add(d2);
}
}
int diskId = 1;
int total = 0;
for (Integer size : data) {
Disk d = pq.peek();
if (d.freeSpace() > size) {
pq.poll();
d.add(size);
pq.add(d);
} else {
Disk d2 = new Disk(diskId);
diskId++;
d2.add(size);
pq.add(d2);
}
total += size;
}

System.out.println();
System.out.println("worst-fit decreasing method");
System.out.println("number of pq used: " + pq.size());
while (!pq.isEmpty()) {
System.out.println(pq.poll());
}
System.out.println();
}
System.out.println("total size = " + total / 1000000.0 + "GB");
System.out.println();
System.out.println("worst-fit method");
System.out.println("number of pq used: " + pq.size());
while (!pq.isEmpty()) {
System.out.println(pq.poll());
}
System.out.println();
}

}