目录LuceneIndexCommitIndexDeletionPolicyNoDeletionPolicyKeepOnlyLastCommitDeletionPolicy两个快照相关的删除策略SnapshotDeletionPolicy例子成员变量生成快照释放指定的快照删除commit存在的问题PersistentSnap
I\'m writing a linux driver and I would like to register a callba开发者_运维问答ck function to be invoked whenthe system goes to sleep.What is the api to do this?