org.apache.ignite.internal.processors.cache.persistence.partstorage

Interface PartitionMetaStorage<T extends Storable>

All Known Implementing Classes:

PartitionMetaStorageImpl

public interface PartitionMetaStorage<T extends Storable>

Provides a way to associate any Storable implementation as partition metadata.

Method Summary

Modifier and Type	Method and Description
void	insertDataRow(T row, IoStatisticsHolder statHolder)
long	metaPageId()
byte[]	readRow(long link) Read row data by link as byte array.
void	removeDataRowByLink(long link, IoStatisticsHolder statHolder)
void	saveMetadata(IoStatisticsHolder statHolder) Saves storage metadata.

Method Detail

readRow

byte[] readRow(long link)
        throws IgniteCheckedException

Read row data by link as byte array.

Parameters:

link - Link.

Throws:

IgniteCheckedException - If failed.

insertDataRow

void insertDataRow(T row,
                   IoStatisticsHolder statHolder)
            throws IgniteCheckedException

Parameters:

row - Row.

statHolder - Stat holder.

Throws:

IgniteCheckedException

removeDataRowByLink

void removeDataRowByLink(long link,
                         IoStatisticsHolder statHolder)
                  throws IgniteCheckedException

Parameters:

link - Row link.

Throws:

IgniteCheckedException - If failed.

saveMetadata

void saveMetadata(IoStatisticsHolder statHolder)
           throws IgniteCheckedException

Saves storage metadata.

Throws:

IgniteCheckedException

metaPageId

long metaPageId()

Returns:

Meta page id of partition meta storage.