| java.lang.Object
 com.quadcap.sql.file.Log3
| Log3 | | public class Log3 implements Log(Code) | | Interface to logging subsystem.
author:
Stan Bailes |
| addEntry | | public void addEntry(LogEntry entry) throws IOException(Code) | | Add a transaction's log record to the end of the open log file
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| checkpoint | | public void checkpoint() throws IOException(Code) | | Perform a checkpoint operation.
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| flushLog | | public void flushLog() throws IOException(Code) | | Flush all log records to disk.
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| getDatafile | | public Datafile getDatafile()(Code) | | Return the database that we're logging for
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| getRowMap | | public long getRowMap(long rowId)(Code) | | Retrieve a row mapping.
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| inRecovery | | public boolean inRecovery() throws IOException(Code) | | Are we currently performing restart log recovery?
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| isLogging | | public boolean isLogging()(Code) | | Are you logging?
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| putRowMap | | public void putRowMap(long logRow, long fileRow)(Code) | | Remember a row mapping {old,new} The old row (logRow) is now stored
in a new place (fileRow), so any stored log entries that refer to
the old row need to be translated to use the new row.
Parameters:
logRow - the "old" row
Parameters:
fileRow - the "new" row |
| removeRowMap | | public void removeRowMap(long row)(Code) | | Discard a row mapping
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| resetBlocks | | public void resetBlocks() throws IOException(Code) | | Reset the "before" list to be empty
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| restart | | public void restart() throws Exception(Code) | | Restart from a previous state
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| restoreBlocks | | public void restoreBlocks() throws IOException(Code) | | Restore all the "before" images
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| saveBlock | | public void saveBlock(long b) throws IOException(Code) | | Save a "before" image
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| start | | public void start()(Code) | | Start the logging subsystem
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| sync | | public void sync() throws IOException(Code) | | Wait for all queue ops to be processed by the log sync thread
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