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-/*
- * Copyright (c) 2003-2008, John Wiegley. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of New Artisans LLC nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _HANDLER_H
-#define _HANDLER_H
-
-#include "utils.h"
-#include "xact.h"
-#include "account.h"
-
-namespace ledger {
-
-template <typename T>
-struct item_handler : public noncopyable
-{
- shared_ptr<item_handler> handler;
-
-public:
- item_handler() {
- TRACE_CTOR(item_handler, "");
- }
- item_handler(shared_ptr<item_handler> _handler) : handler(_handler) {
- TRACE_CTOR(item_handler, "shared_ptr<item_handler>");
- }
- virtual ~item_handler() {
- TRACE_DTOR(item_handler);
- }
-
- virtual void flush() {
- if (handler.get())
- handler->flush();
- }
- virtual void operator()(T& item) {
- if (handler.get())
- (*handler.get())(item);
- }
-};
-
-typedef shared_ptr<item_handler<xact_t> > xact_handler_ptr;
-typedef shared_ptr<item_handler<account_t> > acct_handler_ptr;
-
-} // namespace ledger
-
-#endif // _HANDLER_H