WebSphere MQ For JAVA编程实例----请求/回复---样例

Requester.java源码：

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import com.ibm.mq.*;   public class Requester {     public static void main(String args[]) {         try {             String hostName = "127.0.0.1";             String channel = "CHAN1";             String qManager = "QM1";             String requestQueue = "QL1";             String replyToQueue = "REPLYQ";             String replyToQueueManager = "QM1";             // Set up the MQEnvironment properties for Client Connections             MQEnvironment.hostname = hostName;             MQEnvironment.channel = channel;             MQEnvironment.properties.put(MQC.TRANSPORT_PROPERTY,             MQC.TRANSPORT_MQSERIES);             MQEnvironment.CCSID = 1381;               // Connection To the Queue Manager             MQQueueManager qMgr = new MQQueueManager(qManager);               int openOptions = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;               // Open the queue             MQQueue queue = qMgr.accessQueue(requestQueue, openOptions, null,             null, null);             // Set the put message options , we will use the default setting.             MQPutMessageOptions pmo = new MQPutMessageOptions();             pmo.options = pmo.options + MQC.MQPMO_NEW_MSG_ID;             pmo.options = pmo.options + MQC.MQPMO_SYNCPOINT;             MQMessage outMsg = new MQMessage();             // Create the message buffer             outMsg.format = MQC.MQFMT_STRING;               // Set the MQMD format field.             outMsg.messageFlags = MQC.MQMT_REQUEST;             outMsg.replyToQueueName = replyToQueue;             outMsg.replyToQueueManagerName = replyToQueueManager;             // Prepare message with user data             String msgString = "Test Request Message from Requester program ";             outMsg.writeString(msgString);             // Now we put The message on the Queue             queue.put(outMsg, pmo);             // Commit the transaction.             qMgr.commit();             System.out             .println(" The message has been Sussesfully putnn#########");             // Close the the Request Queue               queue.close();             // Set openOption for response queue             openOptions = MQC.MQOO_INPUT_SHARED | MQC.MQOO_FAIL_IF_QUIESCING;             MQQueue respQueue = qMgr.accessQueue(replyToQueue, openOptions,             null, null, null);             MQMessage respMessage = new MQMessage();             MQGetMessageOptions gmo = new MQGetMessageOptions();             gmo.options = gmo.options + MQC.MQGMO_SYNCPOINT;             // Get messages under syncpoint control             gmo.options = gmo.options + MQC.MQGMO_WAIT;             // Wait for Response Message             gmo.matchOptions = MQC.MQMO_MATCH_CORREL_ID;             gmo.waitInterval = 10000;             respMessage.correlationId = outMsg.messageId;             System.out.println("The response message correlID : " + respMessage.correlationId);             // Get the response message.             respQueue.get(respMessage, gmo);             String response = respMessage.readString(respMessage             .getMessageLength());             System.out.println("The response message is : " + response);             qMgr.commit();             respQueue.close();             qMgr.disconnect();         } catch (MQException ex) {             System.out.println("An MQ Error Occurred: Completion Code is :t"             + ex.completionCode + "nn The Reason Code is :t"             + ex.reasonCode);             ex.printStackTrace();         } catch (Exception e) {             e.printStackTrace();         }     } }

 

Responder.java源码如下：

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import com.ibm.mq.*;   public class Responder {     public static void main(String args[]) {         try {             String hostName = "127.0.0.1";             String channel = "CHAN1";             String qManager = "QM1";             String qName = "QL1";             // Set up the MQEnvironment properties for Client             // Connections             MQEnvironment.hostname = hostName;             MQEnvironment.channel = channel;             MQEnvironment.properties.put(MQC.TRANSPORT_PROPERTY,             MQC.TRANSPORT_MQSERIES);             MQEnvironment.CCSID = 1381;             // Connection To the Queue Manager             MQQueueManager qMgr = new MQQueueManager(qManager);             /*             * Set up the open options to open the queue for out put and             * additionally we have set the option to fail if the queue manager             * is quiescing.             */             int openOptions = MQC.MQOO_INPUT_SHARED             | MQC.MQOO_FAIL_IF_QUIESCING;             // Open the queue             MQQueue queue = qMgr.accessQueue(qName, openOptions, null, null,             null);             // Set the put message options.             MQGetMessageOptions gmo = new MQGetMessageOptions();             gmo.options = gmo.options + MQC.MQGMO_SYNCPOINT;             // Get messages under syncpoint control             gmo.options = gmo.options + MQC.MQGMO_WAIT;             // Wait if no messages on the Queue               gmo.options = gmo.options + MQC.MQGMO_FAIL_IF_QUIESCING;             // Fail if QeueManager Quiescing             gmo.waitInterval = 3000;             // Sets the time limit for the wait.             /*             * Next we Build a message The MQMessage class encapsulates the data             * buffer that contains the actual message data, together with all             * the MQMD parameters that describe the message.             * To             * Build a new message, create a new instance of MQMessage class and             * use writxxx （we will be using writeString method). The put（)             * method of MQQueue also takes an instance of the             * MQPutMessageOptions class as a parameter.             */               MQMessage inMsg = new MQMessage();             // Create the message buffer Get the message from the queue on to the message buffer.             queue.get(inMsg, gmo);             // Read the User data from the message.             String msgString = inMsg.readString(inMsg.getMessageLength());             System.out.println(" The Message from the Queue is : " + msgString);             // Check if message if of type request message and reply to the             // request.             if (inMsg.messageFlags == MQC.MQMT_REQUEST) {                 System.out.println("Preparing To Reply To the Request ");                 String replyQueueName = inMsg.replyToQueueName;                 System.out.println("The reply queue: " + replyQueueName);                 openOptions = MQC.MQOO_OUTPUT | MQC.MQOO_FAIL_IF_QUIESCING;                 MQQueue respQueue = qMgr.accessQueue(replyQueueName,                 openOptions, inMsg.replyToQueueManagerName, null, null);                 MQMessage respMessage = new MQMessage();                 respMessage.correlationId = inMsg.messageId;                 System.out.println("The response CorrelID " + respMessage.correlationId);                 MQPutMessageOptions pmo = new MQPutMessageOptions();                 respMessage.format = MQC.MQFMT_STRING;                 respMessage.messageFlags = MQC.MQMT_REPLY;                 String response = "Reply from the Responder Program ";                 respMessage.writeString(response);                 respQueue.put(respMessage, pmo);                 System.out.println("The response Successfully send ");                 qMgr.commit();                 respQueue.close();             }             queue.close();             qMgr.disconnect();         } catch (MQException ex) {             System.out.println("An MQ Error Occurred: Completion Code is :t"             + ex.completionCode + "nn The Reason Code is :t"             + ex.reasonCode);             ex.printStackTrace();         } catch (Exception e) {             e.printStackTrace();         }     } }