房屋贷款BPEL实例详解
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本文详细介绍房屋贷款BPEL实例详解
这样客户端可以创建响应的SOAP请求消息:
<getLoanQuoteRequest xmlns='urn:sample:soa:houseloanbroker'>
<name>Zhang San</name>
</getLoanQuoteRequest>
(2)BPEL引擎可以根据请求消息创建相应的BPEL实例,执行BPEL流程。例如:
BPEL在收到上面的服务请求后,根据命名空间“urn:sample:soa:houseloanbroker”和请求消息“getLoanQuoteRequest”,就知道创建和执行该BPEL流程houseloanbroker。
例程1显示了BPEL流程的接口WSDL文件。
例程1 houseloanbroker.wsdl
<?xml version="1.0" encoding="UTF-8"?>
<definitions targetNamespace="urn:sample:soa:houseloanbroker"
xmlns:tns="urn:sample:soa:houseloanbroker"
xmlns:typens="urn:sample:soa:houseloanbroker:types"
xmlns="http://schemas.xmlsoap.org/wsdl/"
xmlns:plnk="http://schemas.xmlsoap.org/ws/2003/05/partner-link/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:bpws="http://schemas.xmlsoap.org/ws/2003/03/business-process/">
<import namespace="urn:sample:soa:houseloanagency" location="houseloanagency.wsdl" />
<import namespace="urn:sample:soa:bank" location="bank.wsdl" />
<!-- type defs -->
<types>
<xsd:schema
targetNamespace="urn:sample:soa:houseloanbroker:types"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:complexType name="getLoanQuoteRequest">
<xsd:sequence>
<xsd:element name="name" type="xsd:string" />
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="getLoanQuoteResponse">
<xsd:sequence>
<xsd:element name="rate" type="xsd:double" />
<xsd:element name="firstpaidratio" type="xsd:double" />
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="unknownNAMEFault">
<xsd:sequence>
<xsd:element name="name" type="xsd:string" />
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
</types>
<message name="getLoanQuoteRequest">
<part name="payload" type="typens:getLoanQuoteRequest" />
</message>
<message name="getLoanQuoteResponse">
<part name="payload" type="typens:getLoanQuoteResponse" />
</message>
<message name="unknownNAMEFault">
<part name="payload" type="typens:unknownNAMEFault" />
</message>
<portType name="HouseLoanBroker">
<operation name="getLoanQuote">
<input message="tns:getLoanQuoteRequest" />
<output message="tns:getLoanQuoteResponse" />
<fault name="UnknownNAME" message="tns:unknownNAMEFault" />
</operation>
</portType>
<plnk:partnerLinkType name="HouseLoanBrokerPL">
<plnk:role name="HouseLoanBrokerService" portType="tns:HouseLoanBroker" />
</plnk:partnerLinkType>
<binding name="HouseLoanBroker" type="tns:HouseLoanBroker">
<operation name="request"></operation>
</binding>
<service name="HouseLoanBrokerService">
<port name="houseloanbroker" binding="tns:HouseLoanBroker" />
</service>
</definitions>
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