customersetaccess.java

来自「国外的数据结构与算法分析用书」· Java 代码 · 共 37 行

package Sets;

import People.Customer;
import dslib.dictionary.PKeyedBasicDictUos;
import dslib.dictionary.arrayed.ArrayedPKeyedBasicDictUos;

/**	Provides access to the dictionary containing the customers. */
public class CustomerSetAccess
{
	/**	The dictionary for customers. */
	private static PKeyedBasicDictUos dictionary;

	/**	Returns the dictionary that maps names to customers. 
		Analysis: Time = O(1) */ 
	public static PKeyedBasicDictUos dictionary()
	{
		return dictionary;
	}

	/**	Display all the information of customer
		Analysis: Time = O(1) */
	public static void displayCustomer()
	{
		System.out.println("The customer's name is: Elvis Presley");
		System.out.println("The customer's name is: Wile E. Coyote\n");
	}
	
	/**	Initializes the customer dictionary.
		Analysis: Time = O(1) */
	static 
	{
		dictionary = new ArrayedPKeyedBasicDictUos(10);
		dictionary.insert("Elvis Presley", new Customer("Elvis Presley"));
		dictionary.insert("Wile E. Coyote", new Customer("Wile E. Coyote"));
	}
}