生产者消费者模型java实现（一）_public class storehouse { int index= 0:productlpro-优快云博客

本文介绍了一个典型的生产者-消费者模式实现案例，通过Java代码展示了如何利用线程同步机制来确保生产和消费过程的正确性。该模式适用于解决多线程环境中资源的生产和消费问题。

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class Producer implements Runnable {

    private String producerName = null;

    private StoreHouse storeHouse = null;

    public Producer(String producerName, StoreHouse storeHouse) {
        this.producerName = producerName;
        this.storeHouse = storeHouse;
    }

    public void setProducerName(String producerName) {
        this.producerName = producerName;
    }

    public String getProducerName() {
        return producerName;
    }

    public void produceProduct() {
        int i = 0;
        while (true) {
            i++;
            Product pro = new Product(i);
            storeHouse.push(pro);
            System.out.println(getProducerName() + " 生产了 " + pro);
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                return;
            }
        }
    }

    public void run() {
        produceProduct();
    }

}

class Consumer implements Runnable {

    private String consumerName = null;

    private StoreHouse storeHouse = null;

    public Consumer(String consumerName, StoreHouse storeHouse) {
        this.consumerName = consumerName;
        this.storeHouse = storeHouse;
    }

    public void setConsumerName(String consumerName) {
        this.consumerName = consumerName;
    }

    public String getConsumerName() {
        return consumerName;
    }

    public void consumerProduct() {
        while (true) {
            System.out.println(getConsumerName() + " 消费了 " + storeHouse.pop());
            try {
                Thread.sleep(5000);
            } catch (InterruptedException e) {
                return;
            }
        }
    }

    public void run() {
        consumerProduct();
    }

}

class Product {

    private int productId = 0;

    public Product(int productId) {
        this.productId = productId;
    }

    public int getProductId() {
        return productId;
    }

    public String toString() {
        return Integer.toString(productId);
    }
}

class StoreHouse {

    private int base = 0;

    private int top = 0;

    private Product[] products = new Product[10];

    public synchronized void push(Product product) {
        while (top == products.length) {
            notify();
            try {
                System.out.println("仓库已满，正等待消费...");
                wait();
            } catch (InterruptedException e) {
                System.out.println("stop push product because other reasons");

            }
        }
        products[top] = product;
        top++;
    }

    public synchronized Product pop() {
        Product pro = null;
        while (top == base) {
            notify();
            try {
                System.out.println("仓库已空，正等待生产...");
                wait();
            } catch (InterruptedException e) {
                System.out.println("stop push product because other reasons");

            }
        }
        top--;
        pro = products[top];
        products[top] = null;
        return pro;
    }
}

public class TestPC {
    public static void main(String[] args) {
        StoreHouse storeHouse = new StoreHouse();
        Producer producer = new Producer("生产者", storeHouse);
        Consumer comsumer = new Consumer("消费者", storeHouse);
        Thread t1 = new Thread(producer);
        Thread t2 = new Thread(comsumer);
        t1.start();
        t2.start();
    }
}