UCanAccess 5.2.0 · net.ucanaccess.jdbc.UcanaccessBlob

Modifier and Type	Field and Description
private Blob	blob
private final UcanaccessConnection	conn
private boolean	usingBlobKey

Access	Constructor and Description
public	UcanaccessBlob(Blob blob, UcanaccessConnection conn)

Method Summary

Modifier and Type	Method and Description
public static Blob	createBlob(File fl, UcanaccessConnection conn)
public static Blob	createBlob(UcanaccessConnection conn)
public void	free() Implements java.sql.Blob.free. Closes and releases the resources held by this `Blob` object.
public InputStream	getBinaryStream() Implements java.sql.Blob.getBinaryStream. Retrieves the `BLOB` value designated by this `Blob` instance as a stream.
public InputStream	getBinaryStream(long pos, long length) Implements java.sql.Blob.getBinaryStream. Returns an `InputStream` object that contains a partial `Blob` value, starting with the byte specified by pos, which is length bytes in length.
public byte[]	getBytes(long pos, int length) Implements java.sql.Blob.getBytes. Retrieves all or part of the `BLOB` value that this `Blob` object represents, as an array of bytes.
public long	length() Implements java.sql.Blob.length. Returns the number of bytes in the `BLOB` value designated by this `Blob` object.
public long	position(Blob pattern, long start) Implements java.sql.Blob.position. Retrieves the byte position in the `BLOB` value designated by this `Blob` object at which `pattern` begins.
public long	position(byte[] pattern, long start) Implements java.sql.Blob.position. Retrieves the byte position at which the specified byte array `pattern` begins within the `BLOB` value that this `Blob` object represents.
public OutputStream	setBinaryStream(long pos) Implements java.sql.Blob.setBinaryStream. Retrieves a stream that can be used to write to the `BLOB` value that this `Blob` object represents.
public int	setBytes(long pos, byte[] bytes) Implements java.sql.Blob.setBytes. Writes the given array of bytes to the `BLOB` value that this `Blob` object represents, starting at position `pos`, and returns the number of bytes written.
public int	setBytes(long pos, byte[] bytes, int offset, int len) Implements java.sql.Blob.setBytes. Writes all or part of the given `byte` array to the `BLOB` value that this `Blob` object represents and returns the number of bytes written.
public void	truncate(long len) Implements java.sql.Blob.truncate. Truncates the `BLOB` value that this `Blob` object represents to be `len` bytes in length.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

blob	back to summary
private Blob blob

conn	back to summary
private final UcanaccessConnection conn

usingBlobKey	back to summary
private boolean usingBlobKey

UcanaccessBlob	back to summary
public UcanaccessBlob(Blob blob, UcanaccessConnection conn) throws SQLException

Method Detail

createBlob	back to summary
public static Blob createBlob(File fl, UcanaccessConnection conn) throws UcanaccessSQLException

createBlob	back to summary
public static Blob createBlob(UcanaccessConnection conn) throws SQLException

free back to summary

free	back to summary
public void free() throws SQLException Implements java.sql.Blob.free. Doc from java.sql.Blob.free. Closes and releases the resources held by this `Blob` object. If the `Blob` object is already closed, then invoking this method has no effect. Annotations @Override Exceptions SQLException: if an error occurs releasing the Blob's resources

public void free() throws SQLException

Implements java.sql.Blob.free.

Doc from java.sql.Blob.free.

Closes and releases the resources held by this Blob object.

If the Blob object is already closed, then invoking this method has no effect.

Annotations

@Override

Exceptions

SQLException:: if an error occurs releasing the Blob's resources

getBinaryStream back to summary

getBinaryStream	back to summary
public InputStream getBinaryStream() throws SQLException Implements java.sql.Blob.getBinaryStream. Doc from java.sql.Blob.getBinaryStream. Retrieves the `BLOB` value designated by this `Blob` instance as a stream. Annotations @Override Exceptions SQLException: if there is an error accessing the `BLOB` value

public InputStream getBinaryStream() throws SQLException

Implements java.sql.Blob.getBinaryStream.

Doc from java.sql.Blob.getBinaryStream.

Retrieves the BLOB value designated by this Blob instance as a stream.

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the BLOB value

getBinaryStream back to summary

getBinaryStream	back to summary
public InputStream getBinaryStream(long pos, long length) throws SQLException Implements java.sql.Blob.getBinaryStream. Doc from java.sql.Blob.getBinaryStream. Returns an `InputStream` object that contains a partial `Blob` value, starting with the byte specified by pos, which is length bytes in length. Annotations @Override Exceptions SQLException: if pos is less than 1 or if pos is greater than the number of bytes in the `Blob` or if pos + length is greater than the number of bytes in the `Blob`

public InputStream getBinaryStream(long pos, long length) throws SQLException

Implements java.sql.Blob.getBinaryStream.

Doc from java.sql.Blob.getBinaryStream.

Returns an InputStream object that contains a partial Blob value, starting with the byte specified by pos, which is length bytes in length.

Annotations

@Override

Exceptions

SQLException:: if pos is less than 1 or if pos is greater than the number of bytes in the Blob or if pos + length is greater than the number of bytes in the Blob

getBytes back to summary

getBytes	back to summary
public byte[] getBytes(long pos, int length) throws SQLException Implements java.sql.Blob.getBytes. Doc from java.sql.Blob.getBytes. Retrieves all or part of the `BLOB` value that this `Blob` object represents, as an array of bytes. This `byte` array contains up to `length` consecutive bytes starting at position `pos`. Annotations @Override Exceptions SQLException: if there is an error accessing the `BLOB` value; if pos is less than 1 or length is less than 0

public byte[] getBytes(long pos, int length) throws SQLException

Implements java.sql.Blob.getBytes.

Doc from java.sql.Blob.getBytes.

Retrieves all or part of the BLOB value that this Blob object represents, as an array of bytes. This byte array contains up to length consecutive bytes starting at position pos.

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the BLOB value; if pos is less than 1 or length is less than 0

length back to summary

length	back to summary
public long length() throws SQLException Implements java.sql.Blob.length. Doc from java.sql.Blob.length. Returns the number of bytes in the `BLOB` value designated by this `Blob` object. Annotations @Override Exceptions SQLException: if there is an error accessing the length of the `BLOB`

public long length() throws SQLException

Implements java.sql.Blob.length.

Doc from java.sql.Blob.length.

Returns the number of bytes in the BLOB value designated by this Blob object.

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the length of the BLOB

position back to summary

position	back to summary
public long position(Blob pattern, long start) throws SQLException Implements java.sql.Blob.position. Doc from java.sql.Blob.position. Retrieves the byte position in the `BLOB` value designated by this `Blob` object at which `pattern` begins. The search begins at position `start`. Annotations @Override Exceptions SQLException: if there is an error accessing the `BLOB` value or if start is less than 1

public long position(Blob pattern, long start) throws SQLException

Implements java.sql.Blob.position.

Doc from java.sql.Blob.position.

Retrieves the byte position in the BLOB value designated by this Blob object at which pattern begins. The search begins at position start.

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the BLOB value or if start is less than 1

position back to summary

position	back to summary
public long position(byte[] pattern, long start) throws SQLException Implements java.sql.Blob.position. Doc from java.sql.Blob.position. Retrieves the byte position at which the specified byte array `pattern` begins within the `BLOB` value that this `Blob` object represents. The search for `pattern` begins at position `start`. Annotations @Override Exceptions SQLException: if there is an error accessing the `BLOB` or if start is less than 1

public long position(byte[] pattern, long start) throws SQLException

Implements java.sql.Blob.position.

Doc from java.sql.Blob.position.

Retrieves the byte position at which the specified byte array pattern begins within the BLOB value that this Blob object represents. The search for pattern begins at position start.

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the BLOB or if start is less than 1

setBinaryStream back to summary

setBinaryStream	back to summary
public OutputStream setBinaryStream(long pos) throws SQLException Implements java.sql.Blob.setBinaryStream. Doc from java.sql.Blob.setBinaryStream. Retrieves a stream that can be used to write to the `BLOB` value that this `Blob` object represents. The stream begins at position `pos`. The bytes written to the stream will overwrite the existing bytes in the `Blob` object starting at the position `pos`. If the end of the `Blob` value is reached while writing to the stream, then the length of the `Blob` value will be increased to accommodate the extra bytes. Note If the value specified for `pos` is greater than the length+1 of the `BLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Annotations @Override Exceptions SQLException: if there is an error accessing the `BLOB` value or if pos is less than 1

public OutputStream setBinaryStream(long pos) throws SQLException

Implements java.sql.Blob.setBinaryStream.

Doc from java.sql.Blob.setBinaryStream.

Retrieves a stream that can be used to write to the BLOB value that this Blob object represents. The stream begins at position pos. The bytes written to the stream will overwrite the existing bytes in the Blob object starting at the position pos. If the end of the Blob value is reached while writing to the stream, then the length of the Blob value will be increased to accommodate the extra bytes.

Note

If the value specified for pos is greater than the length+1 of the BLOB value then the behavior is undefined. Some JDBC drivers may throw an SQLException while other drivers may support this operation.

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the BLOB value or if pos is less than 1

setBytes back to summary

setBytes	back to summary
public int setBytes(long pos, byte[] bytes) throws SQLException Implements java.sql.Blob.setBytes. Doc from java.sql.Blob.setBytes. Writes the given array of bytes to the `BLOB` value that this `Blob` object represents, starting at position `pos`, and returns the number of bytes written. The array of bytes will overwrite the existing bytes in the `Blob` object starting at the position `pos`. If the end of the `Blob` value is reached while writing the array of bytes, then the length of the `Blob` value will be increased to accommodate the extra bytes. Note If the value specified for `pos` is greater than the length+1 of the `BLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Annotations @Override Exceptions SQLException: if there is an error accessing the `BLOB` value or if pos is less than 1

public int setBytes(long pos, byte[] bytes) throws SQLException

Implements java.sql.Blob.setBytes.

Doc from java.sql.Blob.setBytes.

Writes the given array of bytes to the BLOB value that this Blob object represents, starting at position pos, and returns the number of bytes written. The array of bytes will overwrite the existing bytes in the Blob object starting at the position pos. If the end of the Blob value is reached while writing the array of bytes, then the length of the Blob value will be increased to accommodate the extra bytes.

Note

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the BLOB value or if pos is less than 1

setBytes back to summary

setBytes	back to summary
public int setBytes(long pos, byte[] bytes, int offset, int len) throws SQLException Implements java.sql.Blob.setBytes. Doc from java.sql.Blob.setBytes. Writes all or part of the given `byte` array to the `BLOB` value that this `Blob` object represents and returns the number of bytes written. Writing starts at position `pos` in the `BLOB` value; `len` bytes from the given byte array are written. The array of bytes will overwrite the existing bytes in the `Blob` object starting at the position `pos`. If the end of the `Blob` value is reached while writing the array of bytes, then the length of the `Blob` value will be increased to accommodate the extra bytes. Note If the value specified for `pos` is greater than the length+1 of the `BLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Annotations @Override Exceptions SQLException: if there is an error accessing the `BLOB` value or if pos is less than 1

public int setBytes(long pos, byte[] bytes, int offset, int len) throws SQLException

Implements java.sql.Blob.setBytes.

Doc from java.sql.Blob.setBytes.

Writes all or part of the given byte array to the BLOB value that this Blob object represents and returns the number of bytes written. Writing starts at position pos in the BLOB value; len bytes from the given byte array are written. The array of bytes will overwrite the existing bytes in the Blob object starting at the position pos. If the end of the Blob value is reached while writing the array of bytes, then the length of the Blob value will be increased to accommodate the extra bytes.

Note

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the BLOB value or if pos is less than 1

truncate back to summary

truncate	back to summary
public void truncate(long len) throws SQLException Implements java.sql.Blob.truncate. Doc from java.sql.Blob.truncate. Truncates the `BLOB` value that this `Blob` object represents to be `len` bytes in length. Note If the value specified for `pos` is greater than the length+1 of the `BLOB` value then the behavior is undefined. Some JDBC drivers may throw an `SQLException` while other drivers may support this operation. Annotations @Override Exceptions SQLException: if there is an error accessing the `BLOB` value or if len is less than 0

public void truncate(long len) throws SQLException

Implements java.sql.Blob.truncate.

Doc from java.sql.Blob.truncate.

Truncates the BLOB value that this Blob object represents to be len bytes in length.

Note

Annotations

@Override

Exceptions

SQLException:: if there is an error accessing the BLOB value or if len is less than 0

public Class UcanaccessBlob

Field Summary

Constructor Summary

Method Summary

Field Detail

Constructor Detail

Method Detail