Partition.h

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/*
 * (C) Copyright 1996-2012 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */
 
/// @author Piotr Kuchta, ECMWF, Oct 2015
 
#ifndef odc_Partition_H
#define odc_Partition_H
 
#include "odc/Block.h"
 
#include <vector>
 
namespace eckit { class PathName; }
 
namespace odc {
 
class Partition {
public:
    Partition();
    /// Read pool info from partitions info file
    Partition(const eckit::PathName&, size_t);
    Partition(const Partition&);
    Partition& operator=(const Partition&);
   
    //void add(const eckit::PathName&, ullong start, ullong end, ullong seqno, ullong firstRow, ullong nRows);
    void add(const Block&);
 
    ullong numberOfRows() const;
    ullong numberOfRowsOnLastBlock() const;
 
    std::vector<Block>& blocks() { return blocks_; }
 
    ullong rowsOnLastBlock() const { return rowsOnLastBlock_; }
    void rowsOnLastBlock(ullong n) { rowsOnLastBlock_ = n; }
 
    ullong startOfLastBlock() { return startOfLastBlock_; }
    void startOfLastBlock(ullong n) { startOfLastBlock_ = n; }
 
    ullong write(const eckit::PathName& fileName) const;
    ullong write(eckit::DataHandle& dh) const;
 
    std::string str() const;
    std::ostream& save(std::ostream&, size_t poolNumber) const;
 
private:
    std::vector<Block> blocks_;
    ullong startOfLastBlock_;
    ullong rowsOnLastBlock_;
 
    friend std::ostream& operator<< (std::ostream&, const Partition&);
};
 
} // namespace odc 
 
#endif