ossimVpfDatabase Class Reference

#include <ossimVpfDatabase.h>

Public Member Functions
	ossimVpfDatabase ()
virtual	~ossimVpfDatabase ()
virtual bool	openDatabase (const ossimFilename &filename)
void	closeDatabase ()
ossimFilename	getPath () const
long	getNumberOfLibraries () const
ossimVpfLibrary *	getLibrary (unsigned long libraryNumber)
ossimVpfLibrary *	getLibrary (const ossimString &name)
bool	isOpened () const
vector< ossimString >	getLibraryNames () const
vector< ossimString >	getLibraryNamesFullPath () const
ossimFilename	getLibraryAttributeTable () const

Protected Member Functions
void	initializeLibraryList ()
void	deleteLibraryList ()

Protected Attributes
ossimFilename	theDatabaseHeaderTable
ossimFilename	theLibraryAttributeTable
vector< ossimVpfLibrary * >	theVpfLibraryList
bool	theOpenedFlag

Detailed Description

Definition at line 22 of file ossimVpfDatabase.h.

Constructor & Destructor Documentation

ossimVpfDatabase()

ossimVpfDatabase::ossimVpfDatabase

(

)

Initializes everything to null;

Definition at line 18 of file ossimVpfDatabase.cpp.

   :theDatabaseHeaderTable(""),
    theLibraryAttributeTable(""),
    theOpenedFlag(false)
{
}

~ossimVpfDatabase()

ossimVpfDatabase::~ossimVpfDatabase ( )

virtual

Destroys any allocated space.

Definition at line 25 of file ossimVpfDatabase.cpp.

References closeDatabase(), and deleteLibraryList().

{
   deleteLibraryList();
   
   closeDatabase();
}

Member Function Documentation

closeDatabase()

void ossimVpfDatabase::closeDatabase

(

)

Definition at line 77 of file ossimVpfDatabase.cpp.

References deleteLibraryList(), theDatabaseHeaderTable, theLibraryAttributeTable, and theOpenedFlag.

Referenced by ossimVpfAnnotationSource::close(), ossimVpfAnnotationSource::openDatabase(), and ~ossimVpfDatabase().

{
   theLibraryAttributeTable = "";
   theDatabaseHeaderTable   = "";
   theOpenedFlag = false;
   deleteLibraryList();
}

deleteLibraryList()

void ossimVpfDatabase::deleteLibraryList ( )

protected

Definition at line 181 of file ossimVpfDatabase.cpp.

References theVpfLibraryList.

Referenced by closeDatabase(), initializeLibraryList(), and ~ossimVpfDatabase().

{
   for(long idx = 0; idx <(long)theVpfLibraryList.size(); idx++)
   {
      delete theVpfLibraryList[idx];
      theVpfLibraryList[idx] = 0;
   }

   theVpfLibraryList.clear();
}

getLibrary() [1/2]

ossimVpfLibrary * ossimVpfDatabase::getLibrary

(

unsigned long

libraryNumber

)

Definition at line 97 of file ossimVpfDatabase.cpp.

References theVpfLibraryList.

Referenced by ossimVpfAnnotationLibraryInfo::loadState().

{

   if(libraryNumber < theVpfLibraryList.size())
   {
      return theVpfLibraryList[libraryNumber];
   }
   
   return NULL;
}

getLibrary() [2/2]

ossimVpfLibrary * ossimVpfDatabase::getLibrary

(

const ossimString &

name

)

Definition at line 108 of file ossimVpfDatabase.cpp.

References theVpfLibraryList.

{
   for(long index = 0; index < (long)theVpfLibraryList.size(); ++index)
   {
      if(theVpfLibraryList[index]->getName() == name)
      {
         return theVpfLibraryList[index];
      }
   }
   
   return NULL;
}

getLibraryAttributeTable()

ossimFilename ossimVpfDatabase::getLibraryAttributeTable

(

)

const

Definition at line 161 of file ossimVpfDatabase.cpp.

References theLibraryAttributeTable.

Referenced by ossimVpfLibrary::getExtent().

{
   return theLibraryAttributeTable;
}

getLibraryNames()

vector< ossimString > ossimVpfDatabase::getLibraryNames

(

)

const

Definition at line 127 of file ossimVpfDatabase.cpp.

References ossimVpfTable::getColumnValues(), ossimVpfTable::openTable(), and theLibraryAttributeTable.

Referenced by initializeLibraryList().

{

   ossimVpfTable table;

   if(table.openTable(theLibraryAttributeTable))
   {
      return table.getColumnValues("LIBRARY_NAME");
   }
   
   return vector<ossimString>();
}

getLibraryNamesFullPath()

vector< ossimString > ossimVpfDatabase::getLibraryNamesFullPath

(

)

const

Definition at line 140 of file ossimVpfDatabase.cpp.

References ossimVpfTable::getColumnValues(), ossimVpfTable::openTable(), ossimFilename::path(), and theLibraryAttributeTable.

{
   vector<ossimString> result;
   
   ossimVpfTable table;

   if(table.openTable(theLibraryAttributeTable))
   {
      result = table.getColumnValues("LIBRARY_NAME");
   }

   for(long index=0; index < (long)result.size();index++)
   {
      result[index] = ossimString(theLibraryAttributeTable.path()) +
                      ossimString("/") +
                      result[index];
   }
   
   return result;
}

getNumberOfLibraries()

long ossimVpfDatabase::getNumberOfLibraries

(

)

const

Definition at line 92 of file ossimVpfDatabase.cpp.

References theVpfLibraryList.

{
   return (long)theVpfLibraryList.size();
}

getPath()

ossimFilename ossimVpfDatabase::getPath

(

)

const

Definition at line 86 of file ossimVpfDatabase.cpp.

References ossimFilename::path(), and theLibraryAttributeTable.

Referenced by initializeLibraryList().

{
   // we can use either table name since all we need is the path
   return theLibraryAttributeTable.path();
}

initializeLibraryList()

void ossimVpfDatabase::initializeLibraryList ( )

protected

Definition at line 166 of file ossimVpfDatabase.cpp.

References deleteLibraryList(), getLibraryNames(), getPath(), ossimVpfLibrary::openLibrary(), and theVpfLibraryList.

Referenced by openDatabase().

{
   // make sure the library list is deleted
   deleteLibraryList();
   vector<ossimString> libraryNames = getLibraryNames();
   for(long index = 0; index < (long)libraryNames.size(); index++)
   {
      ossimVpfLibrary *library = new ossimVpfLibrary;
      library->openLibrary(this,
                           libraryNames[index],
                           getPath().dirCat(libraryNames[index]));
      theVpfLibraryList.push_back(library);
   }
}

isOpened()

bool ossimVpfDatabase::isOpened

(

)

const

Definition at line 122 of file ossimVpfDatabase.cpp.

References theOpenedFlag.

Referenced by ossimVpfAnnotationSource::isOpen(), and ossimVpfAnnotationSource::openDatabase().

{
   return theOpenedFlag;
}

openDatabase()

bool ossimVpfDatabase::openDatabase ( const ossimFilename &  filename )

virtual

This will open a database. This will either be a dht(database header table) table or a library attribut table (lat) file. Both of these files should exist in a vpf database.

Definition at line 32 of file ossimVpfDatabase.cpp.

References ossimFilename::exists(), initializeLibraryList(), ossimVpfTable::openTable(), ossimFilename::path(), theDatabaseHeaderTable, theLibraryAttributeTable, and theOpenedFlag.

Referenced by ossimVpfAnnotationSource::openDatabase().

{
   bool result = true;

   ossimFilename tempFilename = filename;

   // tempFilename.convertBackToForwardSlashes();

   // we should have two table to look at for the database.
   // 1) database header (dht) 2) and the Library attribute (lat)
   theDatabaseHeaderTable   = ossimFilename(tempFilename.path()).dirCat("dht");
   theLibraryAttributeTable = ossimFilename(tempFilename.path()).dirCat("lat");

   if(theDatabaseHeaderTable.exists() &&
      theLibraryAttributeTable.exists())
   {
      ossimVpfTable table;
      // now lets see if they are valid tables
      result = table.openTable(theDatabaseHeaderTable);
      if(result&&
         !ossimVpfDatabaseHeaderTableValidator().isValid(table))
      {
         result =  false;
      }
      
      result = table.openTable(theLibraryAttributeTable);
      if((result) &&!ossimVpfLibraryAttributeTableValidator().isValid(table))
      {
         result = false;
      }
   }
   else
   {
      result = false;
   }

   if(result)
   {
      theOpenedFlag = true;
      initializeLibraryList();
   }
   
   return result;
}

Member Data Documentation

theDatabaseHeaderTable

ossimFilename ossimVpfDatabase::theDatabaseHeaderTable

protected

This is the complete path to the Database Header Table (dht file).

Definition at line 71 of file ossimVpfDatabase.h.

Referenced by closeDatabase(), and openDatabase().

theLibraryAttributeTable

ossimFilename ossimVpfDatabase::theLibraryAttributeTable

protected

This is the complete path to the library attribute table (lat file).

Definition at line 76 of file ossimVpfDatabase.h.

Referenced by closeDatabase(), getLibraryAttributeTable(), getLibraryNames(), getLibraryNamesFullPath(), getPath(), and openDatabase().

theOpenedFlag

bool ossimVpfDatabase::theOpenedFlag

protected

This jhust specifies whether the database has been opened or not.

Definition at line 86 of file ossimVpfDatabase.h.

Referenced by closeDatabase(), isOpened(), and openDatabase().

theVpfLibraryList

vector<ossimVpfLibrary*> ossimVpfDatabase::theVpfLibraryList

protected

Will hold a constructed set of libraries.

Definition at line 81 of file ossimVpfDatabase.h.

Referenced by deleteLibraryList(), getLibrary(), getNumberOfLibraries(), and initializeLibraryList().

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The documentation for this class was generated from the following files:

• ossimVpfDatabase.h
• ossimVpfDatabase.cpp