Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You under the Apache License, Version 2.0 * (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package koper.kafka; import koper.demo.trading.mapper.Order; import koper.demo.trading.mapper.OrderMapper; import junit.textui.TestRunner; import org.springframework.test.AbstractDependencyInjectionSpringContextTests; import java.math.BigDecimal; import java.util.Date; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; /** * KafkaBatchSenderTest * * @author kk raymondhekk9527@gmail.com * @since 1.0 * 2016325 */ public class KafkaBatchSenderTest extends AbstractDependencyInjectionSpringContextTests { private OrderMapper orderMapper; /** * @param orderMapper the orderMapper to set */ public void setOrderMapper(OrderMapper orderMapper) { this.orderMapper = orderMapper; } @Override protected String[] getConfigLocations() { return new String[] { "classpath:kafka/context-data-message.xml", "classpath:kafka/context-data-producer.xml" }; } private Order newOrder(int i) { Order order = new Order(); String orderId = "D" + i; order.setOrderId(orderId); order.setOrderName("?002"); order.setMemberId("Jacky001"); order.setCreateDate(new Date()); order.setTotalPrice(new BigDecimal("120.10")); return order; } /** * ?10?? * messageSender.send(topic2, msg) ??? */ public void testInsertOrder() { int c = 100; int n = 10; for (int i = 0; i < c; i++) { ExecutorService executorService = Executors.newFixedThreadPool(16); int x = i; executorService.execute(new Runnable() { @Override public void run() { for (int j = 0; j < n; j++) { Order order = newOrder(x * 10 + j); String newOrderId = orderMapper.insertOrder(order); System.out.println("****** insert Order " + newOrderId); } } }); } } public static void main(String[] args) { TestRunner.run(KafkaBatchSenderTest.class); } }