TotalVisitor.java

package com.cheng.zenofdesignpatterns.patterns.visitor.multivisitor;

/**
 * 汇总表，该访问者起汇总作用，把容器中的数据一个一个便利，然后汇总
 */
public class TotalVisitor implements ITotalVisitor {

	// 部门经理的工资系数是5
	private final static int MANAGER_COEFFICIENT = 5;
	
	// 员工的工资系数是2
	private final static int COMMONEMPLOYEE_COEFFICIENT = 2;
	
	// 普通员工的工资总和
	private int commonTotalSalary = 0;
	
	// 部门经理的工资总和
	private int managerTotalSalary =0;

	public void totalSalary() {
		System.out.println("本公司的月工资总额是" + (this.commonTotalSalary + this.managerTotalSalary));
	}

	// 访问普通员工，计算工资总额
	public void visit(MVCommonEmployee commonEmployee) {
		this.commonTotalSalary = this.commonTotalSalary + commonEmployee.getSalary()*COMMONEMPLOYEE_COEFFICIENT;
	}

	// 访问部门经理，计算工资总额
	public void visit(MVManager manager) {
		this.managerTotalSalary = this.managerTotalSalary + manager.getSalary() *MANAGER_COEFFICIENT ;
	}

}