org.apache.jackrabbit.mk.blobs
Class DbBlobStore

java.lang.Object
  org.apache.jackrabbit.mk.blobs.AbstractBlobStore
      org.apache.jackrabbit.mk.blobs.DbBlobStore

All Implemented Interfaces:

BlobStore, Cache.Backend<AbstractBlobStore.BlockId,AbstractBlobStore.Data>

public class DbBlobStore
extends AbstractBlobStore

A database blob store.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.jackrabbit.mk.blobs.AbstractBlobStore

AbstractBlobStore.BlockId, AbstractBlobStore.Data

Field Summary

Fields inherited from class org.apache.jackrabbit.mk.blobs.AbstractBlobStore

BLOCK_SIZE_LIMIT, HASH_ALGORITHM, inUse, TYPE_DATA, TYPE_HASH, TYPE_HASH_COMPRESSED

Constructor Summary

DbBlobStore()

Method Summary

protected boolean	isMarkEnabled()
protected void	mark(AbstractBlobStore.BlockId blockId)
protected byte[]	readBlockFromBackend(AbstractBlobStore.BlockId blockId) Load the block from the storage backend.
void	setConnectionPool(org.h2.jdbcx.JdbcConnectionPool cp)
void	startMark()
protected void	storeBlock(byte[] digest, int level, byte[] data)
int	sweep()

Methods inherited from class org.apache.jackrabbit.mk.blobs.AbstractBlobStore

clearCache, clearInUse, getBlobLength, getBlockSize, getBlockSizeMin, load, mark, markInUse, readBlob, setBlockSize, setBlockSizeMin, usesBlobId, writeBlob, writeBlob

Methods inherited from class java.lang.Object

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

Constructor Detail

DbBlobStore

public DbBlobStore()

Method Detail

setConnectionPool

public void setConnectionPool(org.h2.jdbcx.JdbcConnectionPool cp)
                       throws SQLException

Throws:

SQLException

storeBlock

protected void storeBlock(byte[] digest,
                          int level,
                          byte[] data)
                   throws SQLException

Specified by:

storeBlock in class AbstractBlobStore

Throws:

SQLException

readBlockFromBackend

protected byte[] readBlockFromBackend(AbstractBlobStore.BlockId blockId)
                               throws Exception

Description copied from class: AbstractBlobStore

Load the block from the storage backend. Returns null if the block was not found.

Specified by:

readBlockFromBackend in class AbstractBlobStore

Parameters:

blockId - the block id

Returns:

the block data, or null

Throws:

Exception

startMark

public void startMark()
               throws Exception

Specified by:

startMark in class AbstractBlobStore

Throws:

Exception

isMarkEnabled

protected boolean isMarkEnabled()

Specified by:

isMarkEnabled in class AbstractBlobStore

mark

protected void mark(AbstractBlobStore.BlockId blockId)
             throws Exception

Specified by:

mark in class AbstractBlobStore

Throws:

Exception

sweep

public int sweep()
          throws Exception

Specified by:

sweep in class AbstractBlobStore

Throws:

Exception