ScanHandle

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org.apache.derby.iapi.store.raw
Interface ScanHandle

public interface ScanHandle

Inteface for scanning the log from outside the RawStore.

Method Summary

void close()
          Close this scan.

int getGroup()
          Get the group for the current log record.

org.apache.derby.iapi.store.access.DatabaseInstant getInstant()
          Get the DatabaseInstant for the current log record.

Loggable getLoggable()
          Get the Loggable associated with the currentLogRecord

java.io.InputStream getOptionalData()
          Get an InputStream for reading the optional data associated with the current log record.

java.lang.Object getTransactionId()
          Get the TransactionId for the current log record.

boolean next()
          Position to the next log record.

Method Detail

public boolean next()
             throws org.apache.derby.iapi.error.StandardException

Position to the next log record.

getGroup

public int getGroup()
             throws org.apache.derby.iapi.error.StandardException

Get the group for the current log record.

getLoggable

public Loggable getLoggable()
                     throws org.apache.derby.iapi.error.StandardException

Get the Loggable associated with the currentLogRecord

getOptionalData

public java.io.InputStream getOptionalData()
                                    throws org.apache.derby.iapi.error.StandardException

Get an InputStream for reading the optional data associated with the current log record. This may only be called once per log record.

getInstant

public org.apache.derby.iapi.store.access.DatabaseInstant getInstant()
                                                              throws org.apache.derby.iapi.error.StandardException

Get the DatabaseInstant for the current log record.

getTransactionId

public java.lang.Object getTransactionId()
                                  throws org.apache.derby.iapi.error.StandardException

Get the TransactionId for the current log record.

close

public void close()

Close this scan.