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org.apache.derby.client.am
Class Blob  

java.lang.Object
  org.apache.derby.client.am.Lob
      org.apache.derby.client.am.Blob

All Implemented Interfaces:

java.sql.Blob, UnitOfWorkListener

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public class Blob

extends Lob

implements java.sql.Blob

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Field Summary
(package private)  java.io.InputStream	binaryStream_
(package private)  byte[]	binaryString_
(package private)  int	dataOffset_

 

Fields inherited from class org.apache.derby.client.am.Lob

agent_, ASCII_STREAM, BINARY_STREAM, BINARY_STRING, CHARACTER_STREAM, dataType_, lengthObtained_, sqlLength_, STRING, UNICODE_STREAM

 

Constructor Summary

Blob(Agent agent, java.io.InputStream binaryStream, int length)

Blob(byte[] binaryString, Agent agent, int dataOffset)

 

Method Summary
protected  long	binaryStringPosition(byte[] pattern, long start)
java.io.InputStream	getBinaryStream()           This method returns a stream that will read the bytes of this Blob.
private  java.io.InputStream	getBinaryStreamX()
byte[]	getBinaryString()
byte[]	getBytes(long pos, int length)           This method returns up to the requested bytes of this Blob as a byte array.
private  byte[]	getBytesX(long pos, int length)
boolean	isBinaryStream()
boolean	isBinaryString()
protected  boolean	isSubString(byte[] pattern, int index)
long	length()           This method returns the number of bytes in this Blob.
long	position(java.sql.Blob pattern, long start)           This method returns the index into this Blob at which the first instance of the specified pattern occurs.
long	position(byte[] pattern, long start)           This method returns the index into this Blob at which the first instance of the specified bytes occur.
private  long	positionX(java.sql.Blob pattern, long start)
private  long	positionX(byte[] pattern, long start)
java.io.OutputStream	setBinaryStream(long pos)           Returns a binary stream that writes into this Blob, starting at the specified index.
int	setBytes(long pos, byte[] bytes)           Writes the specified data into this Blob, starting at the specified index.
int	setBytes(long pos, byte[] bytes, int offset, int len)           Writes a portion of the specified data into this Blob, starting at the specified index.
int	setBytesX(long pos, byte[] bytes, int offset, int len)
void	truncate(long len)           Truncates this Blob to be at most the specified number of bytes long.

 

Methods inherited from class org.apache.derby.client.am.Lob

checkForClosedConnection, completeLocalCommit, completeLocalCommit, completeLocalRollback, completeLocalRollback, finalize, getAgent, listenToUnitOfWork, sqlLength

 

Methods inherited from class java.lang.Object

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

 

Field Detail

binaryString_

byte[] binaryString_

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binaryStream_

java.io.InputStream binaryStream_

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dataOffset_

int dataOffset_

Constructor Detail

Blob

public Blob(byte[] binaryString,
            Agent agent,
            int dataOffset)

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Blob

public Blob(Agent agent,
            java.io.InputStream binaryStream,
            int length)

Method Detail

length

public long length()
            throws SqlException

Description copied from interface: java.sql.Blob

This method returns the number of bytes in this Blob.

Specified by:

length in interface java.sql.Blob

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getBytes

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

Description copied from interface: java.sql.Blob

This method returns up to the requested bytes of this Blob as a byte array.

Specified by:

getBytes in interface java.sql.Blob

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getBytesX

private byte[] getBytesX(long pos,
                         int length)
                  throws SqlException

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getBinaryStream

public java.io.InputStream getBinaryStream()
                                    throws SqlException

Description copied from interface: java.sql.Blob

This method returns a stream that will read the bytes of this Blob.

Specified by:

getBinaryStream in interface java.sql.Blob

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getBinaryStreamX

private java.io.InputStream getBinaryStreamX()
                                      throws SqlException

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position

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

Description copied from interface: java.sql.Blob

This method returns the index into this Blob at which the first instance of the specified bytes occur. The searching starts at the specified index into this Blob.

Specified by:

position in interface java.sql.Blob

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positionX

private long positionX(byte[] pattern,
                       long start)
                throws SqlException

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position

public long position(java.sql.Blob pattern,
                     long start)
              throws SqlException

Description copied from interface: java.sql.Blob

This method returns the index into this Blob at which the first instance of the specified pattern occurs. The searching starts at the specified index into this Blob. The bytes in the specified Blob are used as the search pattern.

Specified by:

position in interface java.sql.Blob

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positionX

private long positionX(java.sql.Blob pattern,
                       long start)
                throws SqlException

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setBytes

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

Description copied from interface: java.sql.Blob

Writes the specified data into this Blob, starting at the specified index.

Specified by:

setBytes in interface java.sql.Blob

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setBytes

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

Description copied from interface: java.sql.Blob

Writes a portion of the specified data into this Blob, starting at the specified index.

Specified by:

setBytes in interface java.sql.Blob

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setBytesX

public int setBytesX(long pos,
                     byte[] bytes,
                     int offset,
                     int len)
              throws SqlException

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setBinaryStream

public java.io.OutputStream setBinaryStream(long pos)
                                     throws SqlException

Description copied from interface: java.sql.Blob

Returns a binary stream that writes into this Blob, starting at the specified index.

Specified by:

setBinaryStream in interface java.sql.Blob

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truncate

public void truncate(long len)
              throws SqlException

Description copied from interface: java.sql.Blob

Truncates this Blob to be at most the specified number of bytes long.

Specified by:

truncate in interface java.sql.Blob

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isBinaryString

public boolean isBinaryString()

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isBinaryStream

public boolean isBinaryStream()

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getBinaryString

public byte[] getBinaryString()

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binaryStringPosition

protected long binaryStringPosition(byte[] pattern,
                                    long start)

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isSubString

protected boolean isSubString(byte[] pattern,
                              int index)

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Home >> All >> org >> apache >> derby >> client >> [ am overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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