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ProducerThread.java
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ProducerThread.java
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package project2;
public class ProducerThread extends Thread {
private String color;
private int amountToProduce;
private int productCount = 1;
private BoundedBuffer buffer;
//Initialize in constructor
public ProducerThread(BoundedBuffer buffer, int amountToProduce, int producerNumber) {
this.buffer = buffer;
this.amountToProduce = amountToProduce;
color = pickColor(producerNumber);
}
public void run() {
while(!isDone()) {
//Produce the next item
String item = produce();
try {
//Wait until the buffer is not full
buffer.acquireEmpty();
//Wait until no one else is using it and prevent other access
buffer.acquireMutex();
//Add the produced item
buffer.addItem(item);
//Release semaphores
buffer.releaseMutex();
buffer.releaseFull();
} catch (InterruptedException e) {
//Should never happen. Prints out if it does.
System.out.println("Producer thread interrupted!");
}
}
}
//Produces an item as a string stating the unique color and what number item
public String produce() {
return color + " " + productCount++;
}
public boolean isDone() {
return amountToProduce < productCount;
}
//Assigns the producer a unique, hard-coded color based on the given criteria
public String pickColor(int producerNumber) {
switch(producerNumber) {
case 0:
return "pink";
case 1:
return "maroon";
case 2:
return "red";
case 3:
return "orange";
case 4:
return "yellow";
case 5:
return "green";
case 6:
return "blue";
case 7:
return "purple";
case 8:
return "brown";
case 9:
return "black";
default:
return "TOO MANY PRODUCERS!!!";
}
}
}