public class BlobImpl extends BaseLob implements Blob, LobSearchUtil.StreamProvider
Constructor and Description |
---|
BlobImpl() |
BlobImpl(InputStreamFactory streamFactory)
Creates a MMBlob object with the
valueID . |
Modifier and Type | Method and Description |
---|---|
InputStream |
getBinaryStream(long arg0,
long arg1) |
byte[] |
getBytes(long pos,
int length)
Returns as an array of bytes, part or all of the
BLOB
value that this Blob object designates. |
long |
position(Blob pattern,
long start)
Determines the byte position in the
BLOB value
designated by this Blob object at which
pattern begins. |
long |
position(byte[] pattern,
long start)
Determines the byte position at which the specified byte
pattern begins within the BLOB
value that this Blob object represents. |
OutputStream |
setBinaryStream(long pos) |
int |
setBytes(long pos,
byte[] bytes) |
int |
setBytes(long pos,
byte[] bytes,
int offset,
int len) |
void |
truncate(long len) |
free, getBinaryStream, getCharacterStream, getCharset, getStreamFactory, length, readExternal, setCharset, setEncoding, setStreamFactory, writeExternal
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
free, getBinaryStream, length
getBinaryStream
public BlobImpl()
public BlobImpl(InputStreamFactory streamFactory)
valueID
.streamFactory
- reference to value chunk in data source.public byte[] getBytes(long pos, int length) throws SQLException
BLOB
value that this Blob
object designates. The byte
array contains up to length
consecutive bytes
starting at position pos
.getBytes
in interface Blob
pos
- the ordinal position of the first byte in the
BLOB
value to be extracted; the first byte is at
position 1length
- the number of consecutive bytes to be copiedlength
consecutive bytes from the BLOB
value designated
by this Blob
object, starting with the
byte at position pos
SQLException
- if there is an error accessing the
BLOB
public long position(Blob pattern, long start) throws SQLException
BLOB
value
designated by this Blob
object at which
pattern
begins. The search begins at position
start
.position
in interface Blob
pattern
- the Blob
object designating
the BLOB
value for which to searchstart
- the position in the BLOB
value
at which to begin searching; the first position is 1SQLException
- if there is an error accessing the
BLOB
public long position(byte[] pattern, long start) throws SQLException
pattern
begins within the BLOB
value that this Blob
object represents. The
search for pattern
begins at position
start
.position
in interface Blob
pattern
- the byte array for which to searchstart
- the position at which to begin searching; the
first position is 1SQLException
- if there is an error accessing the
BLOB
public InputStream getBinaryStream(long arg0, long arg1) throws SQLException
getBinaryStream
in interface Blob
SQLException
public int setBytes(long pos, byte[] bytes) throws SQLException
setBytes
in interface Blob
SQLException
Blob.setBytes(long, byte[])
public int setBytes(long pos, byte[] bytes, int offset, int len) throws SQLException
setBytes
in interface Blob
SQLException
Blob.setBytes(long, byte[], int, int)
public OutputStream setBinaryStream(long pos) throws SQLException
setBinaryStream
in interface Blob
SQLException
Blob.setBinaryStream(long)
public void truncate(long len) throws SQLException
truncate
in interface Blob
SQLException
Blob.truncate(long)
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