http://blog.csdn.net/qq18998401056/article/details/53467671
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In spring boot, the appropriate cache manager (CacheManager) is configured with @enablecaching annotation automation, and Spring boot detects the cache provider according to the following sequence:
Generic
Jcache (JSR-107)
EhCache 2.x
Hazelcast
Infinispan
Redis
Guava
Simple
In addition to sequential detection, we can also force the designation by configuring the property Spring.cache.type. The default is simple type.
Because ehcache3.x implements the standard interface for jsr-107, this article uses Jcache as a way to integrate ehcache3.x.
The following dependencies are introduced:
<Dependency> <groupId>Org.ehcache</groupId> <Artifactid>Ehcache</Artifactid> <version>3.1.3</version> </Dependency> <!--JSR107 API - <Dependency> <groupId>Javax.cache</groupId> <Artifactid>Cache-api</Artifactid> </Dependency> <Dependency> <groupId>Org.springframework.boot</groupId> <Artifactid>Spring-boot-starter-cache</Artifactid> </Dependency>
The Ehcache 3.x configuration file is as follows:
<?XML version= "1.0" encoding= "UTF-8"?><ConfigXmlns:xsi= ' http://www.w3.org/2001/XMLSchema-instance 'xmlns:jsr107= ' http://www.ehcache.org/v3/jsr107 'xmlns= ' Http://www.ehcache.org/v3 'xsi:schemalocation= "Http://www.ehcache.org/v3 http://www.ehcache.org/schema/ehcache-core-3.1.xsd http://www.ehcache.org/v 3/jsr107 http://www.ehcache.org/schema/ehcache-107-ext-3.1.xsd "> <!--<service> <jsr107:defaults> <jsr107:cache name= "City" template= "Heap-cache"/> </JSR1 07:defaults> </service> - <cache-templatename= "Heap-cache"> <Resources> <HeapUnit= "Entries">2000</Heap> <OffheapUnit= "MB">100</Offheap> </Resources> </cache-template> <Cachealias= "City"uses-template= "Heap-cache"> <expiry> <TTLUnit= "Seconds">40</TTL> </expiry> </Cache> </Config>
The spring boot Application.properties is configured as follows:
#注意: The ehcache3.x configuration file path must be specified spring.cache.jcache.config=classpath:ehcache.xml
Use @enablecaching to open cache in spring boot
Finally, paste the spring cache annotation Example pseudo-code:
PackageCom.lrh.service;Importjava.util.List;Importorg.springframework.beans.factory.annotation.Autowired;ImportOrg.springframework.cache.annotation.CacheConfig;Importorg.springframework.cache.annotation.CacheEvict;ImportOrg.springframework.cache.annotation.CachePut;Importorg.springframework.cache.annotation.Cacheable;ImportOrg.springframework.stereotype.Service;Importorg.springframework.transaction.annotation.Transactional;ImportCom.github.pagehelper.PageHelper;ImportCom.github.pagehelper.PageInfo;ImportCom.lrh.dao.CityMapper;Importcom.lrh.domain.City;ImportCom.lrh.iservice.CityService, @Service @transactional@cacheconfig (Cachenames= "City")//@CacheDefaults (cachename = "City") Public classCityserviceimplImplementscityservice{@AutowiredPrivateCitymapper Citymapper; @Override @CachePut (Key= "#id") PublicCity editcity (string ID, string name) {Citymapper.edit (ID, name); City City=NewCity (); City.setid (long.valueof (id)); City.setname (name); returnCity ; } @Override PublicPageinfo<city>Selectcitybypage () {Pagehelper.startpage (1,5); List<City> list =Citymapper.selectall (); PageInfo<City> page =NewPageInfo (list); returnpage; } /*** Condition The data that satisfies the cache condition is put into the cache, condition before and after calling the method will judge the * unless used to veto the cache update, unlike the condition, the expression only after the method execution judgment, at this time can get the return value Resul T is judged.*/@Override @Cacheable (Key= "#id", unless= "#result = = NULL") //@CacheResult PublicCity FindByID (String id) {returnCitymapper.selectcitybyid (ID); } @Override @CacheEvict (Key= "#id") Public voidDelete (String id) {//citymapper.delete (ID); } /*** allentries Remove all*/@Override @CacheEvict (allentries=true) Public voidDeleteAll () {citymapper.deleteall (); }}
Spring boot Spring Cache ehcache3.x Integration