Files
HW-08-Basic-Multithreading/src/main/java/DownloadWorker.java
T

44 lines
1.4 KiB
Java

import java.util.Random;
/**
* Simulates downloading a single chunk of a file.
*
* <p>This class is intentionally provided as a skeleton for students.
* The main multithreading and simulation logic should be completed
* in the run() method.</p>
*/
public class DownloadWorker implements Runnable {
private final ChunkStatus chunkStatus;
private final DownloadConfig config;
private final Random random;
public DownloadWorker(ChunkStatus chunkStatus, DownloadConfig config) {
this.chunkStatus = chunkStatus;
this.config = config;
this.random = new Random();
}
@Override
public void run() {
// TODO: Record the chunk start time in chunkStatus.
double downloaded = 0.0;
// TODO: Print a message that this chunk has started downloading.
while (downloaded < chunkStatus.getChunkSizeMB()) {
// TODO: Generate a random sleep delay between min and max delay.
// TODO: Sleep for that delay.
// TODO: Generate a random download amount for this step.
// TODO: Increase downloaded, but do not go beyond chunk size.
// TODO: Save the updated downloaded value into chunkStatus.
// TODO: Optionally print step-by-step progress.
}
// TODO: Mark the chunk as completed.
// TODO: Record the chunk end time in chunkStatus.
// TODO: Print a message that this chunk has finished downloading.
}
}