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Axis2发布webservice（4）—webservice的异步调用

2024-07-13 17:09:20   215人阅读

一，发布一个webservice，代码如下

package com.hoo.service;public class AsynchronousService {    public String execute() throws InterruptedException{                //让当前线程睡眠5钟，展示异步调用        Thread.sleep(5000);                return "done";    }}

二、发布Service，参见前面教程，不多讲

三、RPC方式异步调用：

import java.io.IOException;import javax.xml.namespace.QName;import org.apache.axis2.addressing.EndpointReference;import org.apache.axis2.client.Options;import org.apache.axis2.client.async.AxisCallback;import org.apache.axis2.context.MessageContext;import org.apache.axis2.rpc.client.RPCServiceClient;public class AsynchronousServiceClient {    public static void main(String[] args) throws IOException {        String target = "http://localhost:8080/axis2/services/AsynchronousService";        RPCServiceClient client = new RPCServiceClient();        Options options = client.getOptions();        options.setManageSession(true);                EndpointReference epr = new EndpointReference(target);        options.setTo(epr);                QName qname = new QName("http://service.hoo.com", "execute");            //指定调用的方法和传递参数数据，及设置返回值的类型，前面两个参数跟同步调用没区别，关键是后面一个参数，用到了AxisCallback类        client.invokeNonBlocking(qname, new Object[] {}, new AxisCallback() {                        public void onMessage(MessageContext ctx) {                System.out.println(ctx.getEnvelope());                               //获取返回值并打印                System.out.println("Message:" + ctx.getEnvelope().getFirstElement().getFirstElement().getFirstElement().getText());            }                        public void onFault(MessageContext ctx) {            }                        public void one rror(Exception ex) {            }                        public void onComplete() {            }        });                System.out.println("Client：异步调用WebService");                //阻止程序退出        System.in.read();    }}

程序输出：

Client：异步调用WebService
     <?xml version=‘1.0‘ encoding=‘utf-8‘?><soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/"><soapenv:Body><ns:executeResponse xmlns:ns="http://service.hoo.com"><ns:return>done</ns:return></ns:executeResponse></soapenv:Body></soapenv:Envelope>
      Message:done

四、Stub类异步调用

   首先，生成该webservice的wsdl文件，然后用wsdl文件生成Java源代码，方法参见http://www.cnblogs.com/hewenwu/p/3860083.html

五、编写客户端异步调用代码

package test;import java.io.IOException;import java.rmi.RemoteException;import org.apache.axis2.AxisFault;import com.hoo.service.AsynchronousServiceCallbackHandler;import com.hoo.service.AsynchronousServiceStub;import com.hoo.service.Execute;import com.hoo.service.ExecuteResponse;public class AsynchronousServiceClient {    public static void main(String[] args) throws IOException {        AsynchronousServiceStub stub = new AsynchronousServiceStub();        stub.startexecute(new Execute(), new MyCallback());        System.out.println("异步调用");        System.in.read();    }}
//必须重新定义一个继承自相应CallbackHandler的类并重写receiveResult方法才能在main中调用class MyCallback extends AsynchronousServiceCallbackHandler{        @Override    public void receiveResultexecute(ExecuteResponse result) {                super.receiveResultexecute(result);        System.out.println(result.get_return());    }}

输出结果：

异步调用
      done 


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