我正在尝试从 WSO2 DAS 升级到 SP;这涉及使用 Siddhi SQL 脚本重写事件流定义。
我的目标是所有更改都被限制在 Siddhi SQL 脚本中(因此在 SP 中)。
我在微服务上下文中使用 DAS 作为简单的“消息代理”。
如图所示:
共有三 (3) 个微服务:A、B、C;服务 A 调用服务 B 和 C。
服务 A 向 wso2 数据代理发出“wso2event”;
事件由 DAS 中的接收器 (type="wso2event") 接收;
两(2)个发布者(eventAdapterType="soap")被用来形成两个SOAP消息并分别发布到服务B和C
以下是我的工件定义:
溪流:
{
"name": "ip3c",
"version": "1.0.0",
"nickName": "ip3c.receiverservice.senderservice.follow",
"description": "follow event from receiver to sender and userevent",
"metaData": [
{
"name": "sender",
"type": "STRING"
}
],
"correlationData": [
{
"name": "host",
"type": "STRING"
}
],
"payloadData": [
{
"name": "message",
"type": "STRING"
}
]
}
接收者:
<?xml version="1.0" encoding="UTF-8"?>
<!-- gbb2.receiverservice.follow -->
<eventReceiver name="gbb2" statistics="disable"
trace="disable" xmlns="http://wso2.org/carbon/eventreceiver">
<from eventAdapterType="wso2event">
<property name="receiving.events.duplicated.in.cluster">false</property>
</from>
<mapping customMapping="disable" type="wso2event"/>
<to streamName="ip3c" version="1.0.0"/>
</eventReceiver>
出版商 1:
<?xml version="1.0" encoding="UTF-8"?>
<!-- pnbu.senderservice.follow -->
<eventPublisher name="pnbu" statistics="disable"
trace="disable" xmlns="http://wso2.org/carbon/eventpublisher">
<from streamName="ip3c" version="1.0.0"/>
<mapping customMapping="enable" type="xml">
<inline>
<sen:follow xmlns:sen="http://gubnoi.com/SenderService/">
<sender>{{meta_sender}}</sender>
<host>{{correlation_host}}</host>
<message>{{message}}</message>
</sen:follow>
</inline>
</mapping>
<to eventAdapterType="soap">
<property name="soapHeaders">SOAPAction: http://gubnoi.com/SenderService/follow</property>
<property name="url">http://sender.gubnoi.com:10102/services/SenderService/</property>
</to>
</eventPublisher>
出版商 2:
<?xml version="1.0" encoding="UTF-8"?>
<!-- tvzh.userevent.receiverfollow -->
<eventPublisher name="tvzh" statistics="disable"
trace="disable" xmlns="http://wso2.org/carbon/eventpublisher">
<from streamName="ip3c" version="1.0.0"/>
<mapping customMapping="enable" type="xml">
<inline>
<use:save xmlns:use="http://gubnoi.com/UserEvents/">
<title>u5khurw3</title>
<obj>{{meta_sender}}</obj>
<host>{{correlation_host}}</host>
<bucket>{{message}}</bucket>
</use:save>
</inline>
</mapping>
<to eventAdapterType="soap">
<property name="soapHeaders">SOAPAction: http://gubnoi.com/UserEvents/save</property>
<property name="url">http://userevents.gubnoi.com:10304/services/UserEvents/</property>
</to>
</eventPublisher>
我四处寻找,找不到任何有用的例子。
任何人都可以请提供任何帮助
谢谢