使用Mongo DB的Mule緩存策略

Question

是否可以使用org.mule.module.mongo.MongoObjectStore作爲流中的緩存策略？

我試圖用下面的，但我得到的錯誤

空（顯示java.lang.NullPointerException）
org.mule.module.mongo.MongoObjectStore：382（空）。

<mule xmlns:jdbc-ee="http://www.mulesoft.org/schema/mule/ee/jdbc" xmlns:mongo="http://www.mulesoft.org/schema/mule/mongo" xmlns:ee="http://www.mulesoft.org/schema/mule/ee/core" xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns:doc="http://www.mulesoft.org/schema/mule/documentation" xmlns:spring="http://www.springframework.org/schema/beans" xmlns:core="http://www.mulesoft.org/schema/mule/core" version="EE-3.4.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd 
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-current.xsd 
http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd 
http://www.mulesoft.org/schema/mule/ee/core http://www.mulesoft.org/schema/mule/ee/core/current/mule-ee.xsd 
http://www.mulesoft.org/schema/mule/ee/jdbc http://www.mulesoft.org/schema/mule/ee/jdbc/current/mule-jdbc-ee.xsd 
http://www.mulesoft.org/schema/mule/mongo http://www.mulesoft.org/schema/mule/mongo/2.0/mule-mongo.xsd"> 

    <ee:object-store-caching-strategy name="Mongo_Caching_Strategy" doc:name="Caching Strategy"> 
     <custom-object-store class="org.mule.module.mongo.MongoObjectStore"> 
      <spring:property name="host" value="localhost"/> 
      <spring:property name="port" value="27017"/> 
      <spring:property name="database" value="test"/> 
     </custom-object-store> 
    </ee:object-store-caching-strategy> 

    <flow name="htmlCacheFlow" doc:name="htmlCacheFlow"> 
     <http:inbound-endpoint exchange-pattern="request-response" host="localhost" port="8084" path="cache" doc:name="HTTP"/> 
     <expression-transformer expression="#[payload.substring(payload.lastIndexOf('/') + 1)]" doc:name="Expression"/> 
     <ee:cache doc:name="Cache" cachingStrategy-ref="Mongo_Caching_Strategy" > 
      <logger message="getting item from db for key #[payload]" level="INFO" doc:name="Logger"/> 
      <expression-transformer expression="#[payload + 'asd']" doc:name="Expression"/> 
     </ee:cache> 
</flow> 
</mule> 

任何人都可以提供關於如何配置它的例子嗎？

Answer 1

試試這個：

<mule xmlns="http://www.mulesoft.org/schema/mule/core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
     xmlns:mos="http://www.mulesoft.org/schema/mule/mongo-object-store" 
     xmlns:http="http://www.mulesoft.org/schema/mule/http" xmlns:script="http://www.mulesoft.org/schema/mule/scripting" 
     xmlns:test="http://www.mulesoft.org/schema/mule/test" xmlns:spring="http://www.springframework.org/schema/beans" 
     xmlns:util="http://www.springframework.org/schema/util" xmlns:p="http://www.springframework.org/schema/p" 
xmlns:ee="http://www.mulesoft.org/schema/mule/ee/core" 
     xsi:schemaLocation=" 
       http://www.mulesoft.org/schema/mule/core http://www.mulesoft.org/schema/mule/core/current/mule.xsd 
       http://www.mulesoft.org/schema/mule/mongo-object-store http://www.mulesoft.org/schema/mule/mongo-object-store/current/mule-mongo-object-store.xsd 
       http://www.mulesoft.org/schema/mule/http http://www.mulesoft.org/schema/mule/http/current/mule-http.xsd 
       http://www.mulesoft.org/schema/mule/scripting http://www.mulesoft.org/schema/mule/scripting/current/mule-scripting.xsd 
       http://www.mulesoft.org/schema/mule/test http://www.mulesoft.org/schema/mule/test/current/mule-test.xsd 
       http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd 
       http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd 
http://www.mulesoft.org/schema/mule/ee/core http://www.mulesoft.org/schema/mule/ee/core/current/mule-ee.xsd"> 

     <mos:config name="mos" database="test" /> 

     <ee:object-store-caching-strategy name="Mongo_Caching_Strategy"> 
      <spring-object-store ref="mos" /> 
     </ee:object-store-caching-strategy> 
    </mule> 

通知的具體名稱空間的MOS。