// Source code example for "A Practical Introduction
// to Data Structures and Algorithm Analysis"
// by Clifford A. Shaffer, Prentice Hall, 1998.
// Copyright 1998 by Clifford A. Shaffer

import java.io.*;

// Driver class for Memory Manager tests.
public class MemMain {

public static void main(String args[]) throws IOException {

  MemManager mymem = new MemManImpl(15); // New pool of 15 items
  int[] stuff = new int[3];
  for (int i=0; i<3; i++)  // Gin up some sample data
	stuff[i] = i+10;

  System.out.println("Do first request");
  MemHandle h = mymem.request(stuff);  // Stick it in the memory pool

  // Now, get it back and make sure it is right.
  int[] dum = mymem.getValue(h);
  for(int i=0; i<3; i++)
	System.out.print(dum[i] + " ");
  System.out.println();

  System.out.println("Do second request"); // Stick in another copy.
  MemHandle h2 = mymem.request(stuff);

  mymem.release(h);  // Now, release the first block.

  System.in.read();
} // main

} // class MemMain