程序包 org.apache.bookkeeper.mledger.util
package org.apache.bookkeeper.mledger.util
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类说明Abstract base class for classes wants to implement
ReferenceCounted.Mutex object that can be acquired from a thread and released from a different thread.Utility class for bookkeeper related error codes.Conveniences to use withCompletableFuture.Adapts aAsyncCallbacks.CloseCallbackto aCompletableFuture.Special type of cache where get() and delete() operations can be done over a range of keys.RangeCache.TimestampExtractor<ValueT>Interface of a object that is able to the extract the "timestamp" of the cached values.RangeCache.Weighter<ValueT>Interface of a object that is able to the extract the "weight" (size/cost/space) of the cached values.Static builders forSafeRunnables.Create stats buckets to have frequency distribution of samples.