Package org.apache.ignite.internal.processors.cache.persistence.metastorage

Interface MetastorageBPlusIO

All Known Implementing Classes:

MetastorageInnerIO, MetastorageLeafIO

public interface MetastorageBPlusIO

Field Summary

Fields

Modifier and Type	Field	Description
static IOVersions<MetastorageInnerIO>	INNER_IO_VERSIONS	IO versions for metastorage inner nodes.
static IOVersions<MetastorageLeafIO>	LEAF_IO_VERSIONS	IO versions for metastorage leaf nodes.

Method Summary

Modifier and Type	Method	Description
MetastorageDataRow	getDataRow(long pageAddr, int idx, MetastorageRowStore rowStore)
String	getKey(long pageAddr, int idx, MetastorageRowStore rowStore)
short	getKeySize(long pageAddr, int idx)
long	getLink(long pageAddr, int idx)

Field Detail

INNER_IO_VERSIONS

static final IOVersions<MetastorageInnerIO> INNER_IO_VERSIONS

IO versions for metastorage inner nodes.

LEAF_IO_VERSIONS

static final IOVersions<MetastorageLeafIO> LEAF_IO_VERSIONS

IO versions for metastorage leaf nodes.

Method Detail

getLink

long getLink(long pageAddr,
             int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Row link.

getKeySize

short getKeySize(long pageAddr,
                 int idx)

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Key size in bytes.

getKey

String getKey(long pageAddr,
              int idx,
              MetastorageRowStore rowStore)
       throws IgniteCheckedException

Parameters:

pageAddr - Page address.

idx - Index.

Returns:

Key.

Throws:

IgniteCheckedException

getDataRow

MetastorageDataRow getDataRow(long pageAddr,
                              int idx,
                              MetastorageRowStore rowStore)
                       throws IgniteCheckedException

Parameters:

pageAddr - Page address.

idx - Index.

rowStore - Row store.

Returns:

Data row.

Throws:

IgniteCheckedException