org.h2.util

Interface CacheWriter

All Known Implementing Classes:

PageStore, TestCache

public interface CacheWriter

The cache writer is called by the cache to persist changed data that needs to be removed from the cache.

Method Summary

Methods

Modifier and Type	Method and Description
void	flushLog() Flush the transaction log, so that entries can be removed from the cache.
Trace	getTrace() Get the trace writer.
void	writeBack(CacheObject entry) Persist a record.

Method Detail

writeBack

void writeBack(CacheObject entry)

Persist a record.

Parameters:

entry - the cache entry

flushLog

void flushLog()

Flush the transaction log, so that entries can be removed from the cache. This is only required if the cache is full and contains data that is not yet written to the log. It is required to write the log entries to the log first, because the log is 'write ahead'.

getTrace

Trace getTrace()

Get the trace writer.

Returns:

the trace writer