61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
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Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef I_CHAIN_ELEMENT_INCLUDED
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#define I_CHAIN_ELEMENT_INCLUDED
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#include "i_progress_reporter.h"
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#include "my_global.h"
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namespace Mysql{
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namespace Tools{
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namespace Dump{
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class Item_processing_data;
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/**
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Interface for all objects that can process data in any part of dump process.
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*/
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class I_chain_element : public virtual I_progress_reporter
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{
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public:
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virtual ~I_chain_element();
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/**
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Returns an application unique ID of this chain element object. This helps
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progress watching with multiple parts of chain during all objects
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processing.
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*/
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virtual uint64 get_id() const= 0;
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protected:
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/**
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This callback can be requested to be called by child for any object
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processing. This will be called when the object processing has completed.
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Note that this function may be called from multiple threads so all
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implementations must be thread-safe.
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*/
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virtual void item_completion_in_child_callback(
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Item_processing_data* item_processed)= 0;
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};
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}
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}
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}
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#endif
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