0.9.8.10
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Modules Pages
OperationBalance.h
Go to the documentation of this file.
1 /* -*- c++ -*-
2  * Copyright (C) 2007-2015 Hypertable, Inc.
3  *
4  * This file is part of Hypertable.
5  *
6  * Hypertable is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; version 3 of the
9  * License, or any later version.
10  *
11  * Hypertable is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19  * 02110-1301, USA.
20  */
21 
22 #ifndef Hypertable_Master_OperationBalance_h
23 #define Hypertable_Master_OperationBalance_h
24 
25 #include "Operation.h"
26 
29 
30 namespace Hypertable {
31 
32  class OperationBalance : public Operation {
33  public:
34  OperationBalance(ContextPtr &context);
35  OperationBalance(ContextPtr &context, const MetaLog::EntityHeader &header_);
36  OperationBalance(ContextPtr &context, EventPtr &event);
37  virtual ~OperationBalance() { }
38 
39  void execute() override;
40  const String name() override;
41  const String label() override;
42  void display_state(std::ostream &os) override;
43  bool exclusive() override { return true; }
44 
45  uint8_t encoding_version_state() const override;
46  size_t encoded_length_state() const override;
47  void encode_state(uint8_t **bufp) const override;
48  void decode_state(uint8_t version, const uint8_t **bufp, size_t *remainp) override;
49  void decode_state_old(uint8_t version, const uint8_t **bufp, size_t *remainp) override;
50 
51  private:
52 
54 
57 
60 
61  };
62 
63 }
64 
65 #endif // Hypertable_Master_OperationBalance_h
const String label() override
Human readable label for operation.
void display_state(std::ostream &os) override
Write human readable operation state to output stream.
std::string String
A String is simply a typedef to std::string.
Definition: String.h:44
std::shared_ptr< BalancePlan > BalancePlanPtr
Definition: BalancePlan.h:81
Declarations for Operation.
const String name() override
Name of operation used for exclusivity.
std::shared_ptr< Event > EventPtr
Smart pointer to Event.
Definition: Event.h:228
void encode_state(uint8_t **bufp) const override
Encode operation state.
BalancePlanPtr m_plan
Balance plan.
std::shared_ptr< Context > ContextPtr
Smart pointer to Context.
Definition: Context.h:265
void execute() override
Executes (carries out) the operation.
void decode_state(uint8_t version, const uint8_t **bufp, size_t *remainp) override
Decode operation state.
size_t encoded_length_state() const override
Encoded length of operation state.
OperationBalance(ContextPtr &context)
Declarations for Balance request parameters.
Hypertable definitions
Lib::Master::Request::Parameters::Balance m_params
Request parmaeters.
void decode_state_old(uint8_t version, const uint8_t **bufp, size_t *remainp) override
Abstract base class for master operations.
Definition: Operation.h:124
uint8_t encoding_version_state() const override
Returns version of encoding format of state.
Request parameters for balance operation.
Definition: Balance.h:48
bool exclusive() override
Indicates if operation is exclusive.