org.hibernate.engine.jdbc

Class BlobProxy

java.lang.Object

org.hibernate.engine.jdbc.BlobProxy

All Implemented Interfaces:

InvocationHandler

public class BlobProxy
extends Object
implements InvocationHandler

Manages aspects of proxying Blob references for non-contextual creation, including proxy creation and handling proxy invocations. We use proxies here solely to avoid JDBC version incompatibilities.

Method Summary

Methods

Modifier and Type	Method and Description
static Blob	generateProxy(byte[] bytes) Generates a BlobImpl proxy using byte data.
static Blob	generateProxy(InputStream stream, long length) Generates a BlobImpl proxy using a given number of bytes from an InputStream.
Object	invoke(Object proxy, Method method, Object[] args)

Methods inherited from class java.lang.Object

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

Method Detail

invoke

public Object invoke(Object proxy,
            Method method,
            Object[] args)
              throws Throwable

Specified by:

invoke in interface InvocationHandler

Throws:

UnsupportedOperationException - if any methods other than Blob.length(), Blob#getUnderlyingStream, Blob.getBinaryStream(), Blob.getBytes(long, int), Blob.free(), or toString/equals/hashCode are invoked.

Throwable

generateProxy

public static Blob generateProxy(byte[] bytes)

Generates a BlobImpl proxy using byte data.

Parameters:

bytes - The data to be created as a Blob.

Returns:

The generated proxy.

generateProxy

public static Blob generateProxy(InputStream stream,
                 long length)

Generates a BlobImpl proxy using a given number of bytes from an InputStream.

Parameters:

stream - The input stream of bytes to be created as a Blob.

length - The number of bytes from stream to be written to the Blob.

Returns:

The generated proxy.