EhCache3.X不使用xml
时间: 2024-01-28 22:05:44 浏览: 32
EhCache3.X可以在Java代码中使用编程方式配置,而不需要使用XML文件。以下是使用Java代码配置EhCache3.X的示例:
```java
import org.ehcache.Cache;
import org.ehcache.CacheManager;
import org.ehcache.config.CacheConfiguration;
import org.ehcache.config.Configuration;
import org.ehcache.config.builders.CacheConfigurationBuilder;
import org.ehcache.config.builders.CacheManagerBuilder;
import org.ehcache.config.builders.ConfigurationBuilder;
import org.ehcache.config.units.EntryUnit;
import org.ehcache.expiry.Duration;
import org.ehcache.expiry.Expirations;
import java.util.concurrent.TimeUnit;
public class EhCacheExample {
public static void main(String[] args) {
// Create a cache configuration
CacheConfiguration<Long, String> cacheConfiguration = CacheConfigurationBuilder.newCacheConfigurationBuilder(
Long.class, String.class,
// Set the maximum number of entries in the cache to 100
CacheConfigurationBuilder.newResourcePoolsBuilder().heap(100, EntryUnit.ENTRIES))
// Set the duration of the entries to be 5 minutes
.withExpiry(Expirations.timeToLiveExpiration(Duration.of(5, TimeUnit.MINUTES)))
.build();
// Create a cache manager configuration
Configuration configuration = ConfigurationBuilder.newConfigurationBuilder().build();
// Create a cache manager
CacheManager cacheManager = CacheManagerBuilder.newCacheManagerBuilder()
.withCache("myCache", cacheConfiguration)
.withConfiguration(configuration)
.build(true);
// Get the cache
Cache<Long, String> cache = cacheManager.getCache("myCache", Long.class, String.class);
// Put an entry in the cache
cache.put(1L, "Hello, world!");
// Get an entry from the cache
String value = cache.get(1L);
// Print the value
System.out.println(value);
// Close the cache manager
cacheManager.close();
}
}
```
在上面的示例中,我们使用`CacheConfigurationBuilder`和`ConfigurationBuilder`创建了缓存和缓存管理器的配置,并使用`CacheManagerBuilder`创建了缓存管理器。我们还设置了缓存的最大条目数和条目的过期时间。最后,我们将一个条目放入缓存中并从缓存中获取它。最后,我们关闭了缓存管理器。