程序包 org.babyfish.jimmer.sql.cache.spi

类 AbstractCacheCreator

java.lang.Object

org.babyfish.jimmer.sql.cache.spi.AbstractCacheCreator

所有已实现的接口:

CacheCreator

直接已知子类:

RedisCacheCreator, RedisCacheCreator

public abstract class AbstractCacheCreator
extends Object
implements CacheCreator

嵌套类概要

嵌套类

修饰符和类型	类	说明
protected static class	AbstractCacheCreator.Args
protected static class	AbstractCacheCreator.Cfg

字段概要

字段

修饰符和类型	字段	说明
protected final AbstractCacheCreator.Cfg	cfg

从接口继承的字段 org.babyfish.jimmer.sql.cache.CacheCreator

DEFAULT_LOCAL_CACHE_MAX_SIZE, DEFAULT_LOCAL_DURATION, DEFAULT_REMOTE_DURATION, DEFAULT_REMOTE_DURATION_RANDOM_PERCENT

构造器概要

构造器

限定符	构造器	说明
protected	AbstractCacheCreator(AbstractCacheCreator.Cfg cfg)

方法概要

修饰符和类型	方法	说明
protected final <A extends AbstractCacheCreator.Args> A	args()
protected abstract AbstractCacheCreator.Args	newArgs(AbstractCacheCreator.Cfg cfg)
protected abstract CacheCreator	newCacheCreator(AbstractCacheCreator.Cfg cfg)
@NotNull CacheCreator	withLocalCache(int maximumSize, Duration duration)
@NotNull CacheCreator	withLock(@Nullable CacheLocker locker, @Nullable Duration waitDuration, @Nullable Duration leaseDuration)
@NotNull CacheCreator	withMultiViewProperties(@Nullable Integer localMaximumSize, @Nullable Duration localDuration, @Nullable Duration remoteDuration)
@NotNull CacheCreator	withRemoteDuration(@Nullable Duration duration, int randomPercent)	Set L2 cache expiration time.
@NotNull CacheCreator	withTracking(@Nullable CacheTracker tracker)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.babyfish.jimmer.sql.cache.CacheCreator

createForObject, createForProp, withHardLock, withLocalCache, withLocalCache, withMultiViewProperties, withoutLocalCache, withoutLock, withoutTracking, withRemoteDuration, withSoftLock

字段详细资料

cfg

protected final AbstractCacheCreator.Cfg cfg

构造器详细资料

AbstractCacheCreator

protected AbstractCacheCreator(AbstractCacheCreator.Cfg cfg)

方法详细资料

withRemoteDuration

@NewChain
@NotNull
public @NotNull CacheCreator withRemoteDuration(@Nullable
 @Nullable Duration duration,
 int randomPercent)

从接口复制的说明: CacheCreator

Set L2 cache expiration time.

This method does not modify the current object, but creates a new object.

指定者:

withRemoteDuration 在接口中 CacheCreator

参数:

duration - The expiration time

randomPercent - A random percent

Batch loading is a frequently used optimization method in jimmer, so a batch of values are often put into the cache at the same time. If the expiration time of these cached data is the same, then in the future, some affected data will be discarded by the cache at the same time so that a big hole will appear in the defense of the cache, which is easy to be penetrated.

To solve this problem, Jimmer supports a random factor that modifies the expiration time and then applies it to the L2 cache, ultimately making the expiration time of the data uneven.

返回:

The created new object

withLocalCache

@NewChain
@NotNull
public @NotNull CacheCreator withLocalCache(int maximumSize,
 Duration duration)

指定者:

withLocalCache 在接口中 CacheCreator

withLock

@NewChain
@NotNull
public @NotNull CacheCreator withLock(@Nullable
 @Nullable CacheLocker locker,
 @Nullable
 @Nullable Duration waitDuration,
 @Nullable
 @Nullable Duration leaseDuration)

指定者:

withLock 在接口中 CacheCreator

withTracking

@NewChain
@NotNull
public @NotNull CacheCreator withTracking(@Nullable
 @Nullable CacheTracker tracker)

指定者:

withTracking 在接口中 CacheCreator

withMultiViewProperties

@NewChain
@NotNull
public @NotNull CacheCreator withMultiViewProperties(@Nullable
 @Nullable Integer localMaximumSize,
 @Nullable
 @Nullable Duration localDuration,
 @Nullable
 @Nullable Duration remoteDuration)

指定者:

withMultiViewProperties 在接口中 CacheCreator

args

protected final <A extends AbstractCacheCreator.Args>
A args()

newArgs

protected abstract AbstractCacheCreator.Args newArgs(AbstractCacheCreator.Cfg cfg)

newCacheCreator

protected abstract CacheCreator newCacheCreator(AbstractCacheCreator.Cfg cfg)