# $Id: JufGdbmStorage.xotcl,v 1.3 2005/09/09 21:09:01 neumann Exp $

package provide xotcl::store::jufgdbm 0.81

package require xotcl::store::juf_gdbm
package require xotcl::store
package require XOTcl

namespace eval ::xotcl::store::jufgdbm {
    namespace import ::xotcl::*

    #
    # a simple GNU Gdbm DB Store Access
    #
    Class Storage=JufGdbm -superclass Storage
    Storage=JufGdbm instproc open f {
	my set persistenceDB [juf_gdbm open $f rwc]
    }

    Storage=JufGdbm instproc store {k v} {
	#my showCall
	juf_gdbm store [my set persistenceDB] $k $v
    }

    Storage=JufGdbm instproc list {} {
	juf_gdbm list [my set persistenceDB]
    }

    Storage=JufGdbm instproc fetch {k var} {
	my instvar persistenceDB
	if {[juf_gdbm exists $persistenceDB $k]} {
	    upvar [self callinglevel] $var value
	    set value [juf_gdbm fetch $persistenceDB $k]
	    return 1
	}
	return 0
    }

    Storage=JufGdbm instproc close args {
	juf_gdbm close [my set persistenceDB]
    }

    Storage=JufGdbm instproc delete k {
	juf_gdbm delete [my set persistenceDB] $k
    }

    namespace export Storage=JufGdbm
}

namespace import ::xotcl::store::jufgdbm::*