如何在Spring Data Couchbase中设置Couchbase操作超时? [英] How to set couchbase operation timeout in spring data couchbase?

问题描述

我有一个简单的spring项目，该项目尝试使用spring-data-couchbase从ouchbase检索文档.我已经通过扩展AbstractCouchbaseConfiguration配置了配置.一切都很好.

I have a simple spring project which try to retrieve a document from couchbase using spring-data-couchbase. I have configured the config by extending AbstractCouchbaseConfiguration. Everything works perfectly fine.

由于我将沙发床用作缓存，所以现在我需要将操作超时设置为较低的值.任何人都可以阐明如何做到这一点?

Since I use couchbase as a cache, now I need to set the operation timeout to a lower value. Anybody can shed some light on how to do it?

推荐答案

要为CouchbaseClient定义超时，必须使用ConnectionFactory提供超时.遗憾的是，当前版本的spring-data-couchbase没有提供一种简单的方法来实现这一目标.

To define a timeout for the CouchbaseClient you have to provide it using the ConnectionFactory. Sadly, the current version of spring-data-couchbase doesn't provide a simple way to do that.

负责创建连接工厂的类为

The class responsible to create connection factories is ConnectionFactoryBean, and it has a setter for the operations timeout, but I couldn't find anything for @Configuration classes.

由于要扩展AbstractCouchbaseConfiguration，因此您可能需要覆盖couchbaseClient():

Since you are extending AbstractCouchbaseConfiguration, you might want to override couchbaseClient():

public class MyCouchbaseConfiguration extends AbstractCouchbaseConfiguration {

     ...

     private final CouchbaseConnectionFactoryBuilder builder = new CouchbaseConnectionFactoryBuilder();
     private CouchbaseConnectionFactory connectionFactory;

     ...

     @Override
     @Bean(destroyMethod = "shutdown")
     public CouchbaseClient couchbaseClient() throws Exception {
           setLoggerProperty(couchbaseLogger());

           if(connectionFactory == null){
               builder.setOpTimeout(myTimeout);
               // Set another parameters.
               ...

               connectionFactory = builder.buildCouchbaseConnection(
                   bootstrapUris(bootstrapHosts()),
                   getBucketName(),
                   getBucketPassword()
               );
           }

           return new CouchbaseClient(connectionFactory);
     }
}

此外，您可以直接调用CouchbaseFactoryBean，但如果不使用XML Bean定义配置应用程序，则不是一个好习惯.

Also, you can call directly CouchbaseFactoryBean but it's not a good practice if you are not configuring your application using XML bean definitions.

这里是XML配置，以防万一:

Here is the XML configuration just in case:

<bean id="couchbase" class="org.springframework.data.couchbase.core.CouchbaseFactoryBean">
    <property name="opTimeout" value="1000"/> <!-- 1 sec -->
    <property name="bucket" value="myBucket"/>
    <property name="password" value="myPassword"/>
    <property name="host" value="myHost"/>
</bean>
<couchbase:template id="couchbaseTemplate"/>

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