레코드를 만든 후 웹 서비스에서 제공하는 정보로 업데이트해야 할 수 있습니다. 동일한 트랜잭션 내에서 DML 문 이후에 웹 서비스 콜아웃이 발생하지 않을 수 있습니다. 필요한 작업을 수행하려면 웹 서비스 콜아웃이 발생하기 전에 DML 트랜잭션이 완료되도록 트랜잭션을 두 부분으로 분리해야 합니다.
먼저 레코드를 삽입한 후 콜아웃을 수행하면 새로 삽입된 레코드를 업데이트할 수 있습니다.
TestWsCallout 페이지
<apex:page controller="TestWsCallout" tabstyle="Account">
<apex:form >
<apex:actionFunction action="{!InsertRecord}" name="InsertRecord_JS" Rerender="statuses" status="Status1" oncomplete="CallWebService_JS();"/>
<apex:actionFunction action="{!CallWebService}" name="CallWebService_JS" status="Status2" reRender="statuses, msg"/>
<apex:outputPanel id="statuses">
<apex:actionStatus id="Status1" startText="...Inserting Record Into DB..." />
<apex:actionStatus id="Status2" startText="...Calling Web Service..." />
</apex:outputPanel>
<apex:outputPanel id="msg">
<apex:pageMessages />
</apex:outputPanel>
<div><input name="DoAction" class="btn" type="button" value="Do Action" onclick="InsertRecord_JS();return false;"/></div>
</apex:form>
</apex:page>
TestWsCallout 클래스
public class TestWsCallout{
Account myAccount;
public PageReference InsertRecord() {
myAccount = new Account(name = 'Test Account');
insert myAccount;
// Calling a Web Service here would throw an exception
return null;
}
public PageReference CallWebService() {
// Execute a call to a Web Service
HttpRequest req = new HttpRequest();
req.setEndpoint('http://MyWebService12345678790.com?id=' + myAccount.Id);
req.setMethod('GET');
HttpResponse response = new Http().send(req);
// Simulate an update
myAccount.Name = 'Test Account 2';
update myAccount;
ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.CONFIRM, 'WebService Called on New Account: ' + myAccount.Name));
return null;
}
}
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