31 lines
811 B
Java
31 lines
811 B
Java
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package com.iluwatar;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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/**
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*
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* In Inventory we store the items with a given size. However,
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* we do not store more items than the inventory size. To address
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* concurrent access problems we use double checked locking to add
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* item to inventory. In this method, the thread which gets the lock
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* first adds the item.
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*/
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public class App
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{
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public static void main( String[] args )
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{
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final Inventory inventory = new Inventory(1000);
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ExecutorService executorService = Executors.newFixedThreadPool(3);
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for (int i = 0; i < 3; i++) {
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executorService.execute(new Runnable() {
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@Override
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public void run() {
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while(inventory.addItem(new Item()));
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}
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});
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}
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}
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}
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