Namespace.h

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/* -*- c++ -*-
 * Copyright (C) 2007-2015 Hypertable, Inc.
 *
 * This file is part of Hypertable.
 *
 * Hypertable is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; version 3 of the
 * License, or any later version.
 *
 * Hypertable is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

#ifndef Hypertable_Lib_Namespace_h
#define Hypertable_Lib_Namespace_h

#include <Hypertable/Lib/ClientObject.h>
#include <Hypertable/Lib/Master/Client.h>
#include <Hypertable/Lib/NameIdMapper.h>
#include <Hypertable/Lib/NamespaceListing.h>
#include <Hypertable/Lib/Table.h>
#include <Hypertable/Lib/TableCache.h>
#include <Hypertable/Lib/TableMutator.h>
#include <Hypertable/Lib/TableParts.h>
#include <Hypertable/Lib/TableScanner.h>
#include <Hypertable/Lib/TableScannerAsync.h>
#include <Hypertable/Lib/TableSplit.h>

#include <Hyperspace/Session.h>

#include <AsyncComm/ApplicationQueueInterface.h>
#include <AsyncComm/ConnectionManager.h>

#include <Common/String.h>

#include <boost/tokenizer.hpp>

#include <memory>

namespace Hypertable {

  class Comm;
  class HqlInterpreter;
  class Client;


  class Namespace : public ClientObject {
  public:

    Namespace(const std::string &name, const std::string &id, PropertiesPtr &props,
              ConnectionManagerPtr &conn_manager, Hyperspace::SessionPtr &hyperspace,
              ApplicationQueueInterfacePtr &app_queue, NameIdMapperPtr &namemap,
              Lib::Master::ClientPtr &master_client, RangeLocatorPtr &range_locator,
              TableCachePtr &table_cache, uint32_t timeout, Client *client);

    virtual ~Namespace() {}

    static void canonicalize(String *original);

    const std::string& get_name() const {
      return m_name;
    }

    const std::string& get_id() const {
      return m_id;
    }

    void compact(const std::string &name, const std::string &row, uint32_t flags);

    void create_table(const std::string &name, const std::string &schema_str);

    void create_table(const std::string &name, SchemaPtr &schema);

    void alter_table(const std::string &table_name, SchemaPtr &schema, bool force);

#if 0

#endif
    void alter_table(const std::string &table_name, const std::string &schema_str, bool force);

    TablePtr open_table(const std::string &name, int32_t flags = 0);

    void refresh_table(const std::string &name);

    bool exists_table(const std::string &name);

    std::string get_table_id(const std::string &name);

    SchemaPtr get_schema(const std::string &name);

    std::string get_schema_str(const std::string &name, bool with_ids=false);

    void get_listing(bool include_sub_entries, std::vector<NamespaceListing> &listing);

    void rename_table(const std::string &old_name, const std::string &new_name);

    void drop_table(const std::string &name, bool if_exists);

    void rebuild_indices(const std::string &table_name, TableParts table_parts);

    void get_table_splits(const std::string &name, TableSplitsContainer &splits);

    Client *get_client() {
      return m_client;
    }

  private:
    std::string get_index_table_name(const std::string &table_name) {
      std::string s="^";
      return (s+table_name);
    }

    std::string get_qualifier_index_table_name(const std::string &table_name) {
      std::string s="^^";
      return (s+table_name);
    }

    void create_index_table(const std::string &primary_table_name);

    typedef boost::tokenizer<boost::char_separator<char> > Tokenizer;
    std::string get_full_name(const std::string &sub_name);

    void initialize();
    TablePtr _open_table(const std::string &full_name, int32_t flags = 0);

    std::string                  m_name;
    std::string                  m_id;
    PropertiesPtr           m_props;
    Comm                   *m_comm;
    ConnectionManagerPtr    m_conn_manager;
    Hyperspace::SessionPtr  m_hyperspace;
    ApplicationQueueInterfacePtr     m_app_queue;
    NameIdMapperPtr         m_namemap;
    Lib::Master::ClientPtr m_master_client;
    RangeLocatorPtr         m_range_locator;
    std::string                  m_toplevel_dir;
    bool                    m_hyperspace_reconnect;
    TableCachePtr           m_table_cache;
    uint32_t                m_timeout_ms;
    Client                 *m_client;
  };

  typedef std::shared_ptr<Namespace> NamespacePtr;


}

#endif // Hypertable_Lib_Namespace_h