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107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkDatabaseToTableReader.cxx
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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#include "vtkDoubleArray.h"
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#include "vtkInformation.h"
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#include "vtkInformationVector.h"
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#include "vtkIntArray.h"
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#include "vtkObjectFactory.h"
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#include "vtkSQLDatabase.h"
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#include "vtkSQLQuery.h"
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#include "vtkSmartPointer.h"
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#include "vtkStreamingDemandDrivenPipeline.h"
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#include "vtkStringArray.h"
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#include "vtkTable.h"
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#include "vtkVariant.h"
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#include "vtkVariantArray.h"
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#include "vtkDatabaseToTableReader.h"
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//----------------------------------------------------------------------------
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vtkDatabaseToTableReader::vtkDatabaseToTableReader()
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{
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this->Database = 0;
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this->SetNumberOfInputPorts(0);
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}
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//----------------------------------------------------------------------------
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vtkDatabaseToTableReader::~vtkDatabaseToTableReader()
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{
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}
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//----------------------------------------------------------------------------
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bool vtkDatabaseToTableReader::SetDatabase(vtkSQLDatabase *db)
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{
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if(!db)
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{
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return false;
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}
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this->Database = db;
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if(this->Database->IsOpen() == false)
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{
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vtkErrorMacro(<<"SetDatabase must be passed an open database connection");
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this->Database = 0;
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return false;
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}
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if(this->TableName != "")
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{
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return this->CheckIfTableExists();
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}
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return true;
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}
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//----------------------------------------------------------------------------
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bool vtkDatabaseToTableReader::SetTableName(const char *name)
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{
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std::string nameStr = name;
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this->TableName = nameStr;
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if(this->Database->IsOpen())
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{
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return this->CheckIfTableExists();
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}
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return true;
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}
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//----------------------------------------------------------------------------
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bool vtkDatabaseToTableReader::CheckIfTableExists()
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{
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if(!this->Database->IsOpen())
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{
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vtkErrorMacro(<<"CheckIfTableExists() called with no open database!");
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return false;
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}
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if(this->TableName == "")
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{
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vtkErrorMacro(<<"CheckIfTableExists() called but no table name specified.");
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return false;
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}
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if(this->Database->GetTables()->LookupValue(this->TableName) == -1)
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{
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vtkErrorMacro(<<"Table " << this->TableName
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<< " does not exist in the database!");
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this->TableName = "";
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return false;
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}
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return true;
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}
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//----------------------------------------------------------------------------
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void vtkDatabaseToTableReader::PrintSelf(ostream& os, vtkIndent indent)
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{
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this->Superclass::PrintSelf(os,indent);
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}
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