org.apache.zookeeper.server.persistence

Interface TxnLog.TxnIterator

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

FileTxnLog.FileTxnIterator

Enclosing interface:

TxnLog

public static interface TxnLog.TxnIterator
extends Closeable

an iterating interface for reading transaction logs.

Method Summary

Modifier and Type	Method and Description
void	close() close files and release the resources
TxnDigest	getDigest()
TxnHeader	getHeader() return the transaction header.
long	getStorageSize() Get an estimated storage space used to store transaction records that will return by this iterator
Record	getTxn() return the transaction record.
boolean	next() go to the next transaction record.

Method Detail

getHeader

TxnHeader getHeader()

return the transaction header.

Returns:

return the transaction header.

getTxn

Record getTxn()

return the transaction record.

Returns:

return the transaction record.

getDigest

TxnDigest getDigest()

Returns:

the digest associated with the transaction.

next

boolean next()
      throws IOException

go to the next transaction record.

Throws:

IOException

close

void close()
    throws IOException

close files and release the resources

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

getStorageSize

long getStorageSize()
             throws IOException

Get an estimated storage space used to store transaction records that will return by this iterator

Throws:

IOException