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

Class PartitionMetaStorageImpl<T extends Storable>

java.lang.Object

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

org.apache.ignite.internal.processors.cache.persistence.freelist.PagesList

org.apache.ignite.internal.processors.cache.persistence.freelist.AbstractFreeList<T>

org.apache.ignite.internal.processors.cache.persistence.partstorage.PartitionMetaStorageImpl<T>

All Implemented Interfaces:

FreeList<T>, PartitionMetaStorage<T>, ReuseList

public class PartitionMetaStorageImpl<T extends Storable>
extends AbstractFreeList<T>
implements PartitionMetaStorage<T>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.processors.cache.persistence.freelist.PagesList

PagesList.PagesCache, PagesList.Stripe

Field Summary

Fields inherited from class org.apache.ignite.internal.processors.cache.persistence.freelist.PagesList

bucketsSize, changed, DFLT_PAGES_LIST_TRY_LOCK_ATTEMPTS, IGNITE_PAGES_LIST_STRIPES_PER_BUCKET, IGNITE_PAGES_LIST_TRY_LOCK_ATTEMPTS, log, pageCacheChanged

Fields inherited from class org.apache.ignite.internal.processors.cache.persistence.DataStructure

grpId, grpName, metrics, pageFlag, pageIoRslvr, pageMem, reuseList, rnd, wal

Constructor Summary

Constructors

Constructor	Description
PartitionMetaStorageImpl(int cacheGrpId, String name, DataRegion memPlc, @Nullable ReuseList reuseList, @Nullable IgniteWriteAheadLogManager wal, long metaPageId, boolean initNew, PageLockTrackerManager pageLockTrackerManager, GridKernalContext ctx, @Nullable AtomicLong pageListCacheLimit, byte pageFlag)

Method Summary

Modifier and Type	Method	Description
byte[]	readRow(long link)	Read row as byte array from data pages.

Methods inherited from class org.apache.ignite.internal.processors.cache.persistence.freelist.AbstractFreeList

addForRecycle, casBucket, dumpStatistics, emptyDataPages, freeSpace, getBucket, getBucketCache, getBucketIndex, getPageFreeSpace, initRecycledPage, insertDataRow, insertDataRows, isReuseBucket, recycledPagesCount, removeDataRowByLink, takeRecycledPage, toString, updateDataRow

Methods inherited from class org.apache.ignite.internal.processors.cache.persistence.freelist.PagesList

bucketsCount, bucketSize, cachedPagesCount, corruptedFreeListException, corruptedFreeListException, corruptedFreeListException, init, initRecycledPage0, initReusedPage, metaPageId, put, removeDataPage, saveMetadata, storedPagesCount, stripesCount, takeEmptyPage

Methods inherited from class org.apache.ignite.internal.processors.cache.persistence.DataStructure

acquirePage, allocatePage, allocatePage, allocatePageNoReuse, close, groupId, init, name, needWalDeltaRecord, pageSize, randomInt, read, read, readLock, readUnlock, recyclePage, releasePage, tryWriteLock, write, write, write, write, writeLock, writeUnlock, writeUnlock

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.ignite.internal.processors.cache.persistence.partstorage.PartitionMetaStorage

insertDataRow, metaPageId, removeDataRowByLink, saveMetadata

Constructor Detail

PartitionMetaStorageImpl

public PartitionMetaStorageImpl(int cacheGrpId,
                                String name,
                                DataRegion memPlc,
                                @Nullable
                                @Nullable ReuseList reuseList,
                                @Nullable
                                @Nullable IgniteWriteAheadLogManager wal,
                                long metaPageId,
                                boolean initNew,
                                PageLockTrackerManager pageLockTrackerManager,
                                GridKernalContext ctx,
                                @Nullable
                                @Nullable AtomicLong pageListCacheLimit,
                                byte pageFlag)
                         throws IgniteCheckedException

Parameters:

cacheGrpId - Cache group id.

name - Name.

memPlc - Mem policy.

reuseList - Reuse list.

metaPageId - Meta page id.

initNew - Initialize new.

ctx - Context.

pageFlag - Default flag value for allocated pages.

Throws:

IgniteCheckedException

Method Detail

readRow

public final byte[] readRow(long link)
                     throws IgniteCheckedException

Read row as byte array from data pages.

Specified by:

readRow in interface PartitionMetaStorage<T extends Storable>

Parameters:

link - Link.

Throws:

IgniteCheckedException - If failed.