JsContextManager.cpp
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1 /* Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
2 
3  This file is part of the TerraLib - a Framework for building GIS enabled applications.
4 
5  TerraLib is free software: you can redistribute it and/or modify
6  it under the terms of the GNU Lesser General Public License as published by
7  the Free Software Foundation, either version 3 of the License,
8  or (at your option) any later version.
9 
10  TerraLib is distributed in the hope that it will be useful,
11  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  GNU Lesser General Public License for more details.
14 
15  You should have received a copy of the GNU Lesser General Public License
16  along with TerraLib. See COPYING. If not, write to
17  TerraLib Team at <terralib-team@terralib.org>.
18  */
19 
20 /*!
21  \file JsContextManager.cpp
22 
23  \brief A singleton for managing JavaScript contexts.
24  */
25 
26 // TerraLib
27 #include "../../../common/Exception.h"
28 #include "../../../core/logger/Logger.h"
29 #include "../../../common/STLUtils.h"
30 #include "../../../core/translator/Translator.h"
31 #include "JsContext.h"
32 #include "JsContextManager.h"
33 
35 {
36  return te::common::GetPValue(m_ctxMap, id);
37 }
38 
39 void te::v8::common::JsContextManager::add(const std::string& id, JsContext* ctx)
40 {
41  if(getCtx(id))
42  throw te::common::Exception(TR_V8COMMON("Could not manage JsContext because its id already exists!"));
43 
44  m_ctxMap[id] = ctx;
45 }
46 
48 {
50  m_ctxMap.clear();
51 }
52 
54 {
55 }
56 
58 {
59  clear();
60 }
61 
A class for keeping reference to a persistent context.
JsContextManager()
Singleton constructor.
V * GetPValue(const std::map< K, V * > &m, const K &k)
It finds for a given key in the map and returns a pointer if something is found or NULL otherwise...
Definition: STLUtils.h:179
~JsContextManager()
Singleton destructor.
std::map< std::string, JsContext * > m_ctxMap
A map from (JsContext id) to (JsContext instance).
A singleton for managing JavaScript contexts.
A class for keeping reference to a persistent context.
Definition: JsContext.h:54
void add(const std::string &id, JsContext *ctx)
It adds a new context to be managed.
This class is designed to declare objects to be thrown as exceptions by TerraLib. ...
void clear()
It releases all contexts.
void FreeContents(boost::unordered_map< K, V * > &m)
This function can be applied to a map of pointers. It will delete each pointer in the map...
Definition: BoostUtils.h:55
#define TR_V8COMMON(message)
It marks a string in order to get translated. This is a special mark used in the Vector Geometry modu...
JsContext * getCtx(const std::string &id) const
It returns the context identified by id.