Java Doc for EXTDTAInputStream.java in  » Database-DBMS » db-derby-10.2 » org » apache » derby » impl » drda » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.drda 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.io.InputStream
      org.apache.derby.impl.drda.EXTDTAInputStream

EXTDTAInputStream
class EXTDTAInputStream extends InputStream (Code)

author:
   marsden
author:
   EXTDTAObjectHolder provides Externalized Large Object representation that
author:
   does not hold locks until the end of the transaction (DERBY-255)
author:
   It serves as a holder for lob data and is only valid as long as the original
author:
   result set from which it came is on the same row.




Method Summary
public  intavailable()
    
public  voidclose()
    
public  booleanequals(Object arg0)
    
protected  voidfinalize()
    
public static  EXTDTAInputStreamgetEXTDTAStream(ResultSet rs, int column, int drdaType)
     Retrieve stream from the ResultSet and column specified.
public  inthashCode()
    
protected  booleanisEmptyStream()
    
public  voidmark(int arg0)
    
public  booleanmarkSupported()
    
public  intread()
    
public  intread(byte[] arg0)
    
public  intread(byte[] arg0, int arg1, int arg2)
    
public  voidreset()
    
public  longskip(long arg0)
    



Method Detail
available
public int available() throws IOException(Code)

See Also:   java.io.InputStream.available



close
public void close() throws IOException(Code)

See Also:   java.io.InputStream.close



equals
public boolean equals(Object arg0)(Code)

See Also:   java.lang.Object.equals(java.lang.Object)



finalize
protected void finalize() throws Throwable(Code)



getEXTDTAStream
public static EXTDTAInputStream getEXTDTAStream(ResultSet rs, int column, int drdaType) throws SQLException(Code)
Retrieve stream from the ResultSet and column specified. Create an input stream for the large object being retrieved. Do not hold locks until end of transaction. DERBY-255. See DDMWriter.writeScalarStream
Parameters:
  rs - result set from which to retrieve the lob
Parameters:
  column - column number
Parameters:
  drdaType - FD:OCA type of object one ofDRDAConstants.DRDA_TYPE_NLOBBYTESDRDAConstants.DRDA_TYPE_LOBBYTESDRDAConstants.DRDA_TYPE_NLOBCMIXEDDRDAConstants.DRDA_TYPE_LOBCMIXED null if the value is null or a new EXTDTAInputStream corresponding to rs.getBinaryStream(column) value and associated length
throws:
  SQLException -



hashCode
public int hashCode()(Code)

See Also:   java.lang.Object.hashCode



isEmptyStream
protected boolean isEmptyStream()(Code)



mark
public void mark(int arg0)(Code)

See Also:   java.io.InputStream.mark(int)



markSupported
public boolean markSupported()(Code)

See Also:   java.io.InputStream.markSupported



read
public int read() throws IOException(Code)

See Also:   java.io.InputStream.read



read
public int read(byte[] arg0) throws IOException(Code)

See Also:   java.io.InputStream.read(byte[])



read
public int read(byte[] arg0, int arg1, int arg2) throws IOException(Code)

See Also:   java.io.InputStream.read(byte[]intint)



reset
public void reset() throws IOException(Code)

See Also:   java.io.InputStream.reset



skip
public long skip(long arg0) throws IOException(Code)

See Also:   java.io.InputStream.skip(long)



Methods inherited from java.io.InputStream
public int available() throws IOException(Code)(Java Doc)
public void close() throws IOException(Code)(Java Doc)
public synchronized void mark(int readlimit)(Code)(Java Doc)
public boolean markSupported()(Code)(Java Doc)
abstract public int read() throws IOException(Code)(Java Doc)
public int read(byte b) throws IOException(Code)(Java Doc)
public int read(byte b, int off, int len) throws IOException(Code)(Java Doc)
public synchronized void reset() throws IOException(Code)(Java Doc)
public long skip(long n) throws IOException(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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