de.ipcon.db.blob

Interface BLOBLoaderI

All Known Subinterfaces:

BackendBOLoaderI, BackendBOLoaderWithPersistenceHandlerI, BackendConnectionManagerI, BackendQueryAnsweringBOLoaderI, BOLoaderI, BOLoaderWithCacheI, DBManLocalI

All Known Implementing Classes:

BackendConnectionManager, BOLoaderWrapper, CachingBOLoader, CachingBOLoaderDuringGC, CachingBOLoaderExtended, DBMan, DBManLocalBOLoader, TestBOLoader, TestBOLoaderV2, TestTransaction, TestTransactionV2, Transaction

public interface BLOBLoaderI

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	$0

Method Summary

Modifier and Type	Method and Description
byte[]	getBLOB(java.lang.Long id) get the BLOB belonging to BO[id].
long	getBLOB(java.lang.Long id, java.io.DataOutput os) Writes the BLOB belonging to BO[id] to the passed DataOutput.
long	getBLOB(java.lang.Long id, java.io.DataOutput os, boolean closeOS) Writes the BLOB belonging to BO[id] to the passed DataOutput.
long	getBLOB(java.lang.Long id, java.io.DataOutput os, boolean closeOS, java.lang.Long backuppingBPId) Writes the BLOB belonging to BO[id] to the passed DataOutput.
byte[]	getBLOB(java.lang.Long id, java.lang.Long backuppingBPId) get the BLOB belonging to BO[id].
long	getBLOB(java.lang.Long id, java.io.OutputStream os) Writes the BLOB belonging to BO[id] to the passed OutputStream.
long	getBLOB(java.lang.Long id, java.io.OutputStream os, boolean closeOS) Writes the BLOB belonging to BO[id] to the passed OutputStream.
long	getBLOB(java.lang.Long id, java.io.OutputStream os, boolean closeOS, java.lang.Long backuppingBPId) Writes the BLOB belonging to BO[id] to the passed OutputStream.
VFile	getBLOBInfo(java.lang.Long id) gathers information about the BLOB belonging to BO[i].
VFile	getBLOBInfo(java.lang.Long id, java.lang.Long backuppingBPId) gathers information about the BLOB belonging to BO[i].
boolean	hasBLOB(java.lang.Long id)
boolean	hasBLOB(java.lang.Long id, java.lang.Long backuppingBPId)
default java.util.BitSet	haveBLOB(java.util.List<java.lang.Long> ids)
default java.util.BitSet	haveBLOB(long[] ids)
default java.util.BitSet	haveBLOB(java.lang.Long[] ids)

Field Detail

$0

static final java.lang.String $0

See Also:

Constant Field Values

Method Detail

getBLOB

byte[] getBLOB(java.lang.Long id)

get the BLOB belonging to BO[id]. Gives back a byte array of the BLOB.

Parameters:

id - the id of the BO the BLOB belongs to.

Returns:

a byte array containing the data of the BLOB.

getBLOB

byte[] getBLOB(java.lang.Long id,
               java.lang.Long backuppingBPId)

get the BLOB belonging to BO[id]. Gives back a byte array of the BLOB.

Parameters:

id - the id of the BO the BLOB belongs to.

backuppingBPId - instead of the current BLOB get and stream the backup-BLOB that was stored because of this BP-Id from the backup-dir

Returns:

a byte array containing the data of the BLOB.

getBLOB

long getBLOB(java.lang.Long id,
             java.io.OutputStream os)

Writes the BLOB belonging to BO[id] to the passed OutputStream. writes to the given OutputStream

Parameters:

id - the id of the BO the BLOB belongs to

os - the OutputStream to write the BLOB-bytes to

Returns:

the written bytecount / length of BLOB

getBLOB

long getBLOB(java.lang.Long id,
             java.io.OutputStream os,
             boolean closeOS)

Writes the BLOB belonging to BO[id] to the passed OutputStream. writes to the given OutputStream

Parameters:

id - the id of the BO the BLOB belongs to

os - the OutputStream to write the BLOB-bytes to

closeOS - a boolean designating if the OutputStream shall be closed afterwards or not.

Returns:

the written bytecount / length of BLOB

getBLOB

long getBLOB(java.lang.Long id,
             java.io.OutputStream os,
             boolean closeOS,
             java.lang.Long backuppingBPId)

Writes the BLOB belonging to BO[id] to the passed OutputStream. writes to the given OutputStream

Parameters:

id - the id of the BO the BLOB belongs to

os - the OutputStream to write the BLOB-bytes to

closeOS - a boolean designating if the OutputStream shall be closed afterwards or not.

backuppingBPId - instead of the current BLOB get and stream the backup-BLOB that was stored because of this BP-Id from the backup-dir

Returns:

the written bytecount / length of BLOB

getBLOB

long getBLOB(java.lang.Long id,
             java.io.DataOutput os)

Writes the BLOB belonging to BO[id] to the passed DataOutput. writes to the given DataOutput

Parameters:

id - the id of the BO the BLOB belongs to

os - the DataOutput to write the BLOB-bytes to

Returns:

the written bytecount / length of BLOB

getBLOB

long getBLOB(java.lang.Long id,
             java.io.DataOutput os,
             boolean closeOS)

Writes the BLOB belonging to BO[id] to the passed DataOutput. writes to the given DataOutput

Parameters:

id - the id of the BO the BLOB belongs to

os - the DataOutput to write the BLOB-bytes to

closeOS - a boolean designating if the DataOutput shall be closed afterwards or not.

Returns:

the written bytecount / length of BLOB

getBLOB

long getBLOB(java.lang.Long id,
             java.io.DataOutput os,
             boolean closeOS,
             java.lang.Long backuppingBPId)

Writes the BLOB belonging to BO[id] to the passed DataOutput. writes to the given DataOutput

Parameters:

id - the id of the BO the BLOB belongs to

os - the DataOutput to write the BLOB-bytes to

closeOS - a boolean designating if the DataOutput shall be closed afterwards or not.

backuppingBPId - instead of the current BLOB get and stream the backup-BLOB that was stored because of this BP-Id from the backup-dir

Returns:

the written bytecount / length of BLOB

getBLOBInfo

VFile getBLOBInfo(java.lang.Long id)

gathers information about the BLOB belonging to BO[i].

Parameters:

id - the id of the BO the BLOB-info belongs to.

Returns:

VFile object containing information about lastmodification and size.

getBLOBInfo

VFile getBLOBInfo(java.lang.Long id,
                  java.lang.Long backuppingBPId)

gathers information about the BLOB belonging to BO[i].

Parameters:

id - the id of the BO the BLOB-info belongs to.

backuppingBPId - instead of the current BLOB get the VFile for the backup-BLOB that was stored because of this BP-Id from the backup-dir

Returns:

VFile object containing information about lastmodification and size.

hasBLOB

boolean hasBLOB(java.lang.Long id)

Parameters:

id - the id of the BO the check for existence of a BLOB on the server.

Returns:

true if a BLOB for the BO with the passed Id exists on the server.

hasBLOB

boolean hasBLOB(java.lang.Long id,
                java.lang.Long backuppingBPId)

Parameters:

id - the id of the BO the check for existence of a BLOB on the server.

backuppingBPId - instead of the current BLOB get the VFile for the backup-BLOB that was stored because of this BP-Id from the backup-dir

Returns:

true if a BLOB for the BO with the passed Id exists on the server.

haveBLOB

default java.util.BitSet haveBLOB(java.util.List<java.lang.Long> ids)

Parameters:

ids - a List of ids of BOs the check for existence of a BLOB on the server.

Returns:

a BitSet with the bit at the corresponding index set to true if a BLOB for the BO with the Id at that index of the passed List exists on the server, false if no BO or no BLOB for that BO exists on the server.

haveBLOB

default java.util.BitSet haveBLOB(java.lang.Long[] ids)

Parameters:

ids - an array of ids of BOs the check for existence of a BLOB on the server.

Returns:

a BitSet with the bit at the corresponding index set to true if a BLOB for the BO with the Id at that index of the passed array exists on the server, false if no BO or no BLOB for that BO exists on the server.

haveBLOB

default java.util.BitSet haveBLOB(long[] ids)

Parameters:

ids - an array of ids of BOs the check for existence of a BLOB on the server.

Returns:

a BitSet with the bit at the corresponding index set to true if a BLOB for the BO with the Id at that index of the passed array exists on the server, false if no BO or no BLOB for that BO exists on the server.