[英]WSO2 ESB iterate mediator joining
我在此过程中遇到了一些问题..让我解释一下:
我想呼叫两个服务并按以下顺序加入响应:
我有第一项服务的回复:
<locations xmlns="http://ssocial.com/traceit/services/location">
<location>
<latitude>-33.45209980</latitude>
<longitude>-70.66241990</longitude>
<altitude>0.0</altitude>
<creation>2016-09-04T14:59:48.000-03:00</creation>
<updated>2016-09-04T14:59:48.000-03:00</updated>
<deviceId>25</deviceId>
</location>
<location>
<latitude>-33.45149521</latitude>
<longitude>-70.66146224</longitude>
<altitude>817.0</altitude>
<creation>2016-09-04T13:18:43.000-03:00</creation>
<updated>2016-09-04T13:18:43.000-03:00</updated>
<deviceId>25</deviceId>
</location>
</locations>
然后我收到了secon服务的回复:
<device xmlns="http://ssocial.com/traceit/services/device">
<id>25</id>
<code>mobile_02</code>
<type>
<id>1</id>
<name>MOBILE</name>
</type>
然后,我希望得到的最终答复是:
<locations xmlns="http://ssocial.com/traceit/services/location">
<location>
<latitude>-33.45209980</latitude>
<longitude>-70.66241990</longitude>
<altitude>0.0</altitude>
<creation>2016-09-04T14:59:48.000-03:00</creation>
<updated>2016-09-04T14:59:48.000-03:00</updated>
<deviceId>25</deviceId>
<device xmlns="http://ssocial.com/traceit/services/device">
<id>25</id>
<code>mobile_02</code>
<type>
<id>1</id>
<name>MOBILE</name>
</type>
</device>
</location>
<location>
<latitude>-33.45149521</latitude>
<longitude>-70.66146224</longitude>
<altitude>817.0</altitude>
<creation>2016-09-04T13:18:43.000-03:00</creation>
<updated>2016-09-04T13:18:43.000-03:00</updated>
<deviceId>25</deviceId>
<device xmlns="http://ssocial.com/traceit/services/device">
<id>25</id>
<code>mobile_02</code>
<type>
<id>1</id>
<name>MOBILE</name>
</type>
</device>
</location>
</locations>
我真的很难尝试加入这样的两个响应,这是我在wso2中的顺序:
<sequence name="getDeviceInfoByLocationProcess" trace="disable" xmlns="http://ws.apache.org/ns/synapse">
<property expression="count(//ns1:locations/ns1:location)" name="LOCATIONS_COUNT" scope="default" type="STRING" xmlns:ns1="http://ssocial.com/traceit/services/location"/>
<iterate description="" expression="//ns1:locations/ns1:location/ns1:deviceId" id="LOCATIONS_ITERATOR" xmlns:ns1="http://ssocial.com/traceit/services/location">
<target>
<sequence>
<property description="device_id" expression="//ns1:deviceId" name="device_id" scope="default" type="STRING"/>
<sequence key="getDeviceInfoProcess"/>
</sequence>
</target>
</iterate>
<log level="custom">
<property expression="//ns1:locations" name="LOCATIONS" xmlns:ns1="http://ssocial.com/traceit/services/location"/>
<property expression="//ns2:device" name="DEVICE_INFO" xmlns:ns2="http://ssocial.com/traceit/services/device"/>
</log>
<property name="ECNCLOSING_ELEMENT" scope="default">
<wrapper xmlns=""/>
</property>
<aggregate id="AGG_01">
<completeCondition>
<messageCount max="-1" min="{get-property('LOCATIONS_COUNT')}"/>
</completeCondition>
<onComplete expression="//ns2:device" xmlns:ns2="http://ssocial.com/traceit/services/device">
<log level="full">
<property expression="$ctx:LOCATIONS_COUNT" name="COUNTER"/>
<property expression="$ctx:ECNCLOSING_ELEMENT" name="ENCLOSING"/>
</log>
<call/>
</onComplete>
</aggregate>
实际上,按此顺序,我得到的是:
<device xmlns="http://ssocial.com/traceit/services/device">
<id>25</id>
<code>mobile_02</code>
<type>
<id>1</id>
<name>MOBILE</name>
</type>
预先,非常感谢您的帮助
我看不到“ getDeviceInfoProcess”序列的内容,但是我想您正在使用调用介体。 因此,由于这些请求(由于迭代器的缘故,出现了多个请求),您会收到一些响应,并且在其余的初始中介中您必须处理:聚合为您提供了一种等待所有响应的方式,但是最初的消息丢失:您应该将其保存在属性(OM类型)中,并在aggregate / onComplete内部使用诸如payloadMediator之类的内容来编写最终消息。
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