2012-01-19 16:49:54 +00:00
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/*
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* merger.h
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*
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* Copyright 2010-2012 Yahoo! Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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2010-01-23 02:13:59 +00:00
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#ifndef _MERGER_H_
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#define _MERGER_H_
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2010-03-17 21:51:26 +00:00
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#include "logstore.h"
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2010-01-23 02:13:59 +00:00
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2010-03-13 00:05:06 +00:00
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#include <stasis/common.h>
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2010-12-11 00:51:19 +00:00
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class merge_scheduler {
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2010-01-23 02:13:59 +00:00
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public:
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2011-06-09 01:16:55 +00:00
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merge_scheduler(logtable * ltable);
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2010-12-11 00:51:19 +00:00
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~merge_scheduler();
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2010-05-19 23:42:06 +00:00
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2010-12-11 00:51:19 +00:00
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void start();
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void shutdown();
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2010-01-23 02:13:59 +00:00
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2010-12-11 00:51:19 +00:00
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void * memMergeThread();
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void * diskMergeThread();
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2010-01-23 02:13:59 +00:00
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2010-12-11 00:51:19 +00:00
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private:
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pthread_t mem_merge_thread_;
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pthread_t disk_merge_thread_;
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2011-06-09 01:16:55 +00:00
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logtable * ltable_;
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2010-12-11 00:51:19 +00:00
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const double MIN_R;
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2010-01-23 02:13:59 +00:00
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};
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#endif
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