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Consumer.java
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Consumer.java
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public class Consumer extends Thread
{
int buffer[];
Consumer(int buffer[])
{
this.buffer = buffer;
}
@Override
public void run()
{
synchronized (this)
{
if (isBufferEmpty())
{
//buffer is empty, need to wait
printBuffer();
System.out.println("Buffer is empty, consumer is waiting.");
try
{
wait();
}
catch(InterruptedException e)
{
System.out.println("Error - Interrupted Exception.");
e.printStackTrace();
}
}
else
{
//buffer isn't empty, consume.
printBuffer();
System.out.println("Buffer isn't empty, consumer is consuming");
consume(this.buffer);
notifyAll();
}
}
}
synchronized public void printBuffer()
{
System.out.println("Buffer: ");
for (int x = 0; x < this.buffer.length; x++)
{
System.out.print((x+1) + ": " + this.buffer[x] + ", ");
}
}
public boolean isBufferEmpty()
{
for(int x = 0; x < this.buffer.length; x++)
{
if (this.buffer[x] != 0)
return false;
}
//no 1's found, buffer is empty.
return true;
}
//commented out the "synchronized" keyword in the consume method
public void consume(int buffer[])
{
for (int x = 0; x < buffer.length; x++)
{
if (buffer[x] != 0)
buffer[x] = 0;
}
System.out.print("After consuming, ");
}
}