光子CI之旅

//TransportFactory決定使用/創(chuàng)建哪個傳輸器 
package org.cdi.advocacy;  

import javax.enterprise.inject.Produces;  
public class TransportFactory {
         private boolean useJSON = true;
         private boolean behindFireWall = true;
         @Produces ATMTransport createTransport() {
                 //Look up config parameters in some config file or LDAP server or database
                  System.out.println("ATMTransport created with producer makes decisions");
                  if (behindFireWall) {
                         if (useJSON) {
                                 System.out.println("Created JSON transport");
                                 return new JsonRestAtmTransport();
                         } else {
                                 System.out.println("Created SOAP transport");
                                 return new SoapAtmTransport();
                         }
                 } else {
                         System.out.println("Created Standard transport");
                         return new StandardAtmTransport();
                 }
         }  
}

ATMTransport created with producer makes decisions Created JSON transport deposit called communicating with bank via JSON REST transport

//TransportFactory決定使用/創(chuàng)建哪個傳輸器 
package org.cdi.advocacy;
  
import javax.enterprise.inject.Produces;
public class TransportFactory {
          private boolean useJSON = true;
         private boolean behindFireWall = true;
           @Produces ATMTransport createTransport( @Soap ATMTransport soapTransport,
                                                 @Json ATMTransport jsonTransport) {
                 //Look up config parameters in some config file
                 System.out.println("ATMTransport created with producer makes decisions");
                  if (behindFireWall) {
                         if (useJSON) {
                                 System.out.println("return passed JSON transport");
                                 return jsonTransport;
                         } else {
                                 System.out.println("return passed SOAP transport");
                                 return soapTransport;
                         }
                 } else {
                         System.out.println("Create Standard transport");
                         return new StandardAtmTransport();
                 }
         }  
}

ATMTransport created with producer makes decisions return passed JSON transport deposit called communicating with bank via JSON REST transport