/**
 * Bank.java interface
 *
 * Solutions to the Bankers Algorithm must 
 * implement this interface.
 *
 * @author Gagne, Galvin, Silberschatz
 * Operating System Concepts with Java - Eighth Edition
 * Copyright John Wiley & Sons - 2010.
 */

public interface Bank
	{
		/**
		 * Add a customer to the bank.
		 * @param customerNumber The number of the customer being added.
		 * @param maxDemand The maximum demand for this customer.
		 */
		public void addCustomer(int customerNumber, int[] maximumDemand);
		
		/**
		 * Outputs the available, allocation, max, and need matrices.
		 */
		public void getState();
		
		/**
		 * Make a request for resources.
		 * @param customerNumber The number of the customer being added.
		 * @param request The request from this customer.
		 * @return  true The request is granted.
		 * @return  false The request is not granted.
		 */
		public boolean requestResources(int customerNumber, int[] request);
		
        /**
         * Release resources.
		 * @param customerNumber The number of the customer being added.
		 * @param release The resources to be released.
         */
        public  void releaseResources(int customerNumber, int[] release);
	}