Package com.github.ambry.store

Interface MessageStoreRecovery

public interface MessageStoreRecovery

The recovery component used by the store to recover the index from the log.

Method Summary

Modifier and Type	Method	Description
java.util.List<MessageInfo>	recover(Read read, long startOffset, long endOffset, StoreKeyFactory factory)	Recovers the messages from the underlying store using the read interface.

Method Detail

recover

java.util.List<MessageInfo> recover(Read read,
                                    long startOffset,
                                    long endOffset,
                                    StoreKeyFactory factory)
                             throws java.io.IOException

Recovers the messages from the underlying store using the read interface. It recovers from the startOffset till the endOffset. The expectation of this interface is that read never blocks

Parameters:

read - The read interface that represents the underlying store

startOffset - The start offset from where the recovery needs to begin

endOffset - The end offset where the recovery needs to complete. The recovery can end before this offset if there were malformed messages

factory - The store key factory used to create the store key

Returns:

A list of messages that were successfully recovered

Throws:

java.io.IOException