Opens the content for reading and passes the input stream to the caller
WARNING: This method will leave the database connection open, to give
direct access to te BLOB field.
Returns the default buffer size, which should be used in order to have
buffers in similar size and therefore reduce overhead because calls for
read(byte[]) will almost everytime fill the array entirely.
Determines the appropriate datatype for the currently used database for a
given Java type.
In some rare cases the database driver may not declare a mapping.
This class provides easy-to-use access to GridFTP The implementation is
backed by the Commodity Grid (CoG) Kit, that provides some assistance to
bridge between gt2 and gt4 and is part of the GT4 WS-Core distribution.