private Boolean closed = false; // true when we are closed
/*
* This opens a large object.
*
* <p>If the object does not exist, then an NpgsqlException is thrown.
*
* @param fp FastPath API for the connection to use
* @param oid of the Large Object to open
* @param mode Mode of opening the large object
* (defined in LargeObjectManager)
* @exception NpgsqlException if a database-access error occurs.
* @see org.postgresql.largeobject.LargeObjectManager
*/
public LargeObject(Fastpath fp, Int32 oid, Int32 mode)
{
this.fp = fp;
this.oid = oid;
FastpathArg[] args = new FastpathArg[2];
args[0] = new FastpathArg(oid);
args[1] = new FastpathArg(mode);
this.fd = fp.GetInteger("lo_open", args);
}
private Boolean closed = false; // true when we are closed
/*
* This opens a large object.
*
* <p>If the object does not exist, then an NpgsqlException is thrown.
*
* @param fp FastPath API for the connection to use
* @param oid of the Large Object to open
* @param mode Mode of opening the large object
* (defined in LargeObjectManager)
* @exception NpgsqlException if a database-access error occurs.
* @see org.postgresql.largeobject.LargeObjectManager
*/
public LargeObject(Fastpath fp, Int32 oid, Int32 mode)
{
this.fp = fp;
this.oid = oid;
FastpathArg[] args = new FastpathArg[2];
args[0] = new FastpathArg(oid);
args[1] = new FastpathArg(mode);
this.fd = fp.GetInteger("lo_open", args);
}
/*
* This creates a large object, returning its OID.
*
* <p>It defaults to READWRITE for the new object's attributes.
*
* @return oid of new object
* @exception NpgsqlException on error
*/
public Int32 Create()
{
FastpathArg[] args = new FastpathArg[1];
args[0] = new FastpathArg(READWRITE);
return(fp.GetInteger("lo_creat", args));
}
/*
* @return the current position within the object
* @exception NpgsqlException if a database-access error occurs.
*/
public Int32 Tell()
{
FastpathArg[] args = new FastpathArg[1];
args[0] = new FastpathArg(fd);
return(fp.GetInteger("lo_tell", args));
}
