m4_comment([$Id: cxx.so,v 11.5 2000/03/18 21:43:20 bostic Exp $])

m4_ref_title(Upgrading m4_db Applications,
    Release 3.0: additional C++ changes,, upgrade.3.0/db_cxx, upgrade.3.0/java)

m4_p([dnl
The Db::set_error_model method is gone.  The way to change the C++ API to
return errors rather than throw exceptions is via a flag on the DbEnv or
Db constructor.  For example:])

m4_indent([dnl
int dberr;
DbEnv *dbenv = new DbEnv(DB_CXX_NO_EXCEPTIONS);])

m4_p([dnl
creates an environment that will never throw exceptions, and method
returns should be checked instead.])

m4_p([dnl
There are a number of smaller changes to the API that bring the C, C++
and Java APIs much closer in terms of functionality and usage.  Please
refer to the pages for upgrading C applications for further details.])

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