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·µ»Ø Mediation Flow Editor¡£
Ñ¡Ôñ Router ÔªËØ²¢²é¿´ÆäÊôÐÔ¡£
Ñ¡Ôñ Implementation Ñ¡Ï¡£
µ¥»÷ Open Java Editor ²¢ÔÚËùµÃµ½µÄ¶Ô»°¿òÖе¥»÷ OK¡£
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ÏÖÔÚÄú¿ÉÒÔÊäÈëÔÊÐí Router ÖнéÔªËØµ÷Óà Import1 Ëù±íʾµÄ Web ·þÎñµÄ´úÂë¡£ËüʹÓà Service Component Architecture ¿ò¼Ü (SCA)£¬¶ø ESB ÕýÊǽ¨Á¢Óڸÿò¼ÜµÄ»ù´¡ÉÏ¡£Çåµ¥ 2 ÏÔʾÁËËùÐèµÄ´úÂë¡£ÄúÐèÒªÇå³þ£¬DataObject ÊäÈë²ÎÊý (input1) ÊÇÕû¸ö SMO£¬ÕâÑù¸ÃÖнéÔªËØ¿ÉÒÔ¿´µ½ÉÏÏÂÎÄ¡¢Header ºÍÕýÎÄ¡£ÓëÖ®ÀàËÆ£¬DataObject ·µ»ØµÄ±ØÐëÊÇÕû¸ö SMO¡£µ±È»£¬Õâ¸öÊäÈë²ÎÊý°üº¬ÁËÀ´×ÔÓÚԭʼÇëÇóÕßµÄÊäÈëÏûÏ¢»ò¸ºÔØ£¬¶ø·µ»Ø²ÎÊýÔò°üº¬ÁËÀ´×ÔÓÚÌṩÕßµÄÏìÓ¦¡£


Çåµ¥ 2. ÔÚ¾ßÓо²Ì¬µØÖ·µÄ×Ô¶¨ÒåÖнéÔªËØÖнøÐзþÎñµ÷ÓÃ
                               
public DataObject execute(DataObject input1) {
        System.out.println("... In Router mediation primitive";
        // (1) Create endpoint reference
        EndpointReference eRef = EndpointReferenceFactory.INSTANCE
                .createEndpointReference();
        eRef.setAddress("http://localhost:9081/BigEcho/services/BigEcho";
        // (2) invoke service and extract response payload
        Service echoService = (Service)
                ServiceManager.INSTANCE.getService("BigEchoPartner", eRef);
        DataObject request = input1.getDataObject("body/echo";
        DataObject response = (DataObject) echoService.invoke("echo",
                request);
        DataObject responseBody = response.getDataObject("echoReturn";
        // (3) create response message and response
        BOFactory boFactory = (BOFactory) ServiceManager.INSTANCE
                .locateService("com/ibm/websphere/bo/BOFactory";
        DataObject message = boFactory.createByMessage("http://big.com",
                "echoResponse";
        DataObject myRes = boFactory.createByElement("http://big.com",
                "echoResponse";
        // (4) add response and return
        myRes.setDataObject("echoReturn", responseBody);
        message.setDataObject("parameters", myRes);
        input1.setDataObject("body", theMes);
        return input1;
}                       
                         


Çåµ¥ 2 ÖеĴúÂë¶Î (1) ´´½¨ÁËÒ»¸ö¶ËµãÒýÓ᣽«¶ËµãÒýÓÃÖеĵØÖ·Ó²±àÂëΪ BigEcho ·þÎñ£¬ÈçÇåµ¥ 1 ÖÐµÄ WSDL ÎļþËùʾ¡£
´úÂë¶Î (2) ¸ù¾Ý¶ËµãÒýÓÃÖеĵØÖ·»ñÈ¡ BigEcho ·þÎñ´úÀí¡£Çë×¢ÒâÔÚͼ 4 ÖУ¬Ê¹Ó÷ûºÅ BigEchoPartner À´±íʾµ¼Èë¡£ÔÚ²éÕҵĹý³ÌÖÐÐèҪʹÓõ¼ÈëµÄ·ûºÅÃû³Æ¡£CustomMediation1Partner ºÍ Import1 Ö®¼äµÄÁ¬½ÓÔÊÐí Router ÔÚ²éÕÒÖÐ˳ÀûµØÊ¹Ó÷ûºÅÃû¡£½ÓÏÂÀ´µÄ´úÂë¶ÎÌáÈ¡ÁËÇëÇóÏûÏ¢µÄ¸ºÔØ¡£ÒòΪ´«ÈëµÄÏûÏ¢ÊÇÕû¸ö SMO£¬ËùÒÔʹÓà XPath ±í´ïʽ body/echo À´·ÃÎÊÇëÇó¸ºÔØ¡£È»ºó£¬´úÂë¶ÎʹÓøºÔØÀ´µ÷ÓÃÏàÓ¦µÄ·þÎñ¡£×îºó£¬ËüÌáÈ¡ÁËÏìÓ¦¸ºÔØ¡£

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Òª²âÊÔ DynamicRoute ÖнéÄ£¿é£¬Äú¿ÉÒÔʹÓÃÓë²âÊÔ StaticRoute ÏàͬµÄ²âÊÔ¿Í»§¶Ë£¬Ö»ÐèÒª½«²âÊÔ¿Í»§¶ËÖÐËùʹÓõĴúÀíµÄ¶ËµãµØÖ·´ÓÖ¸Ïò StaticRoute ÐÞ¸ÄΪָÏò DynamicRoute¡£ÀýÈ磬Èç¹û StaticRoute µÄ¶ËµãµØÖ·Îª http://localhost:9080/StaticRouteWeb/sca/Export1£¬ÄÇô DynamicRoute µÄ¶ËµãµØÖ·Îª http://localhost:9080/DynamicRou ... ´µ½µ÷ÓÃÁËÖнéÄ£¿éºÍ BigEcho ·þÎñ£¬ÈçÇåµ¥ 3 Ëùʾ¡£


Çåµ¥ 3. µ÷ÓÃÖнéºÍ·þÎñºóµÄ¿ØÖÆÌ¨Êä³ö
                               
SystemOut     O ... in Router mediation primitive
SystemOut     O +++ Got to BigEcho.
                         



SOAP/HTTP µÄÔöÇ¿¶¯Ì¬Â·ÓÉ

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Çåµ¥ 4. ¶Ô˲̬ÉÏÏÂÎĽøÐÐÉèÖÃÒÔÖ§³Ö¶¯Ì¬Â·ÓÉ
                               
public DataObject execute(DataObject input1) {
        System.out.println("... In Setter mediation primitive";
        // (1) set EPR address
        input1.setString("context/transient/address",
                "http://localhost:9081/BigEcho/services/BigEcho";
        return input1;
}
                         



ÐÞ¸Ä Router ÖнéÔªËØÒÔ´Ó˲̬ÉÏÏÂÎÄÖÐÌáÈ¡ËùÐèµÄ¶ËµãµØÖ·£¬²¢ÇÒʹÓÃËü×÷Ϊ·þÎñµ÷ÓÃµÄ¶ËµãµØÖ·¡£Çåµ¥ 5 ÏÔʾÁËÔÚ¾²Ì¬Â·ÓÉ´úÂëµÄ»ù´¡ÉÏÐèҪΪ Router ×Ô¶¨ÒåÖнéÔªËØÖнøÐеÄÐ޸ģº


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public DataObject execute(DataObject input1) {
        System.out.println("... In Router mediation primitive";
        // (0) extract address
        String address = input1.getString("context/transient/address";
        // (1') Create endpoint reference
        EndpointReference eRef = EndpointReferenceFactory.INSTANCE
                .createEndpointReference();
        eRef.setAddress(address);
        // (2) invoke service and extract response body
        ...
        // (3) create response message and add response
        ...
        // (4) add response and return
        ...
}
                         



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SystemOut     O ... In Setter mediation primitive
SystemOut     O ... In Router mediation primitive
SystemOut     O +++ Got to BigEcho.
                         



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