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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
#ifndef QPID_LINEARSTORE_JOURNAL_EMPTYFILEPOOLPARTITION_H_
#define QPID_LINEARSTORE_JOURNAL_EMPTYFILEPOOLPARTITION_H_
#include <map>
#include "qpid/linearstore/journal/EmptyFilePoolTypes.h"
#include "qpid/linearstore/journal/smutex.h"
#include <string>
#include <vector>
namespace qpid {
namespace linearstore {
namespace journal {
class EmptyFilePool;
class JournalLog;
class EmptyFilePoolPartition
{
public:
static const std::string s_efpTopLevelDir_;
protected:
typedef std::map<efpDataSize_kib_t, EmptyFilePool*> efpMap_t;
typedef efpMap_t::iterator efpMapItr_t;
typedef efpMap_t::const_iterator efpMapConstItr_t;
const efpPartitionNumber_t partitionNum_;
const std::string partitionDir_;
const bool overwriteBeforeReturnFlag_;
const bool truncateFlag_;
JournalLog& journalLogRef_;
efpMap_t efpMap_;
smutex efpMapMutex_;
public:
EmptyFilePoolPartition(const efpPartitionNumber_t partitionNum,
const std::string& partitionDir,
const bool overwriteBeforeReturnFlag,
const bool truncateFlag,
JournalLog& journalLogRef);
virtual ~EmptyFilePoolPartition();
void findEmptyFilePools();
EmptyFilePool* getEmptyFilePool(const efpDataSize_kib_t efpDataSize_kib, const bool createIfNonExistent);
void getEmptyFilePools(std::vector<EmptyFilePool*>& efpList);
void getEmptyFilePoolSizes_kib(std::vector<efpDataSize_kib_t>& efpDataSizesList) const;
std::string getPartitionDirectory() const;
efpPartitionNumber_t getPartitionNumber() const;
std::string toString(const uint16_t indent) const;
static std::string getPartionDirectoryName(const efpPartitionNumber_t partitionNumber);
static efpPartitionNumber_t getPartitionNumber(const std::string& name);
protected:
EmptyFilePool* createEmptyFilePool(const efpDataSize_kib_t efpDataSize_kib);
EmptyFilePool* createEmptyFilePool(const std::string fqEfpDirectoryName);
void validatePartitionDir();
};
}}}
#endif /* QPID_LINEARSTORE_JOURNAL_EMPTYFILEPOOLPARTITION_H_ */
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