ossimVpfFeatureClassSchema Class Reference

#include <ossimVpfFeatureClassSchema.h>

Inheritance diagram for ossimVpfFeatureClassSchema:

Public Member Functions
	ossimVpfFeatureClassSchema ()
bool	openSchema (ossimVpfCoverage *coverage)
virtual void	closeTable ()
void	getFeatureClasses (std::vector< ossimString > &featureClassArray) const
bool	getFeatureClassNode (const ossimString &featureClass, ossimVpfFeatureClassSchemaNode &featureClassNode) const
ossim_int32	getNumberOfFeatureClasses () const
Public Member Functions inherited from ossimVpfTable
	ossimVpfTable ()
virtual	~ossimVpfTable ()
virtual bool	openTable (const ossimFilename &tableName)
virtual void	print (std::ostream &out) const
int	getNumberOfRows () const
int	getNumberOfColumns () const
ossimString	getColumnName (int idx) const
virtual bool	isClosed () const
virtual void	reset () const
virtual bool	goToRow (long row) const
vpf_table_type *	getVpfTableData ()
std::vector< ossimString >	getColumnValues (const ossimString &columnName) const
std::vector< ossimString >	getColumnValues (long columnNumber) const
ossimString	getColumnValueAsString (row_type &row, long columnNumber) const
ossimString	getColumnValueAsString (ossim_int32 rowNumber, long columnNumber) const
ossimString	getColumnValueAsString (const ossimString &columnName)
ossim_int32	getColumnPosition (const ossimString &columnName) const

Protected Member Functions
bool	validateColumnNames () const
void	setFeatureClassMapping ()

Protected Attributes
ossimVpfCoverage *	theCoverage
ossimFilename	theSchemaTableName
std::map< ossimString, ossimVpfFeatureClassSchemaNode, ossimStringLtstr >	theFeatureClassMap
Protected Attributes inherited from ossimVpfTable
vpf_table_type *	theTableInformation
ossimFilename	theTableName

Detailed Description

Definition at line 48 of file ossimVpfFeatureClassSchema.h.

Constructor & Destructor Documentation

ossimVpfFeatureClassSchema()

ossimVpfFeatureClassSchema::ossimVpfFeatureClassSchema

(

)

Definition at line 17 of file ossimVpfFeatureClassSchema.cpp.

   :theCoverage(NULL)
{
}

Member Function Documentation

closeTable()

void ossimVpfFeatureClassSchema::closeTable ( )

virtual

Closes the table.

Reimplemented from ossimVpfTable.

Definition at line 49 of file ossimVpfFeatureClassSchema.cpp.

References ossimVpfTable::closeTable(), and theFeatureClassMap.

Referenced by ossimVpfAnnotationCoverageInfo::buildCoverage(), and ossimVpfCoverage::openFeatureClassSchema().

{
   ossimVpfTable::closeTable();
   theFeatureClassMap.clear();
}

getFeatureClasses()

void ossimVpfFeatureClassSchema::getFeatureClasses

(

std::vector< ossimString > &

featureClassArray

)

const

Definition at line 55 of file ossimVpfFeatureClassSchema.cpp.

References theFeatureClassMap.

Referenced by ossimVpfAnnotationCoverageInfo::buildCoverage().

{
   featureClassArray.clear();
   std::map<ossimString, ossimVpfFeatureClassSchemaNode, ossimStringLtstr>::const_iterator featureClassIter = theFeatureClassMap.begin();

   while(featureClassIter != theFeatureClassMap.end())
   {
      featureClassArray.push_back((*featureClassIter).first);
      ++featureClassIter;
   }
}

getFeatureClassNode()

bool ossimVpfFeatureClassSchema::getFeatureClassNode	(	const ossimString &	featureClass,
		ossimVpfFeatureClassSchemaNode &	featureClassNode
	)		const

Definition at line 67 of file ossimVpfFeatureClassSchema.cpp.

References theFeatureClassMap.

Referenced by ossimVpfAnnotationFeatureInfo::buildFeature().

{
   std::map<ossimString, ossimVpfFeatureClassSchemaNode, ossimStringLtstr>::const_iterator fIter = theFeatureClassMap.find(featureClass);

   if(fIter != theFeatureClassMap.end())
   {
      featureClassNode = (*fIter).second;
      return true;
   }

   return false;
}

getNumberOfFeatureClasses()

ossim_int32 ossimVpfFeatureClassSchema::getNumberOfFeatureClasses

(

)

const

Definition at line 81 of file ossimVpfFeatureClassSchema.cpp.

References theFeatureClassMap.

{
   return (ossim_int32)theFeatureClassMap.size();
}

openSchema()

bool ossimVpfFeatureClassSchema::openSchema

(

ossimVpfCoverage *

coverage

)

Definition at line 22 of file ossimVpfFeatureClassSchema.cpp.

References ossimFilename::dirCat(), ossimFilename::exists(), ossimVpfCoverage::getPath(), ossimVpfTable::openTable(), setFeatureClassMapping(), theCoverage, theSchemaTableName, and validateColumnNames().

Referenced by ossimVpfCoverage::openFeatureClassSchema().

{
   theCoverage = coverage;
   bool result = false;

   if(theCoverage)
   {
      theSchemaTableName = theCoverage->getPath().dirCat("fcs");

      if(theSchemaTableName.exists())
      {
         result = openTable(theSchemaTableName);

         if(result)
         {
            result = validateColumnNames();
         }
         if(result)
         {
            setFeatureClassMapping();
         }
      }
   }
   
   return result;
}

setFeatureClassMapping()

void ossimVpfFeatureClassSchema::setFeatureClassMapping ( )

protected

Definition at line 96 of file ossimVpfFeatureClassSchema.cpp.

References free_row(), ossimVpfTable::getColumnPosition(), ossimVpfTable::getColumnValueAsString(), ossimVpfTable::getNumberOfRows(), ossimVpfTable::isClosed(), ossimVpfFeatureClass::isPrimitive(), read_next_row(), read_row(), ossimVpfTable::reset(), theFeatureClassMap, and ossimVpfTable::theTableInformation.

Referenced by openSchema().

{
   if(!isClosed())
   {
      ossim_int32 featureIdx = getColumnPosition("feature_class");
      ossim_int32 table1Idx = getColumnPosition("table1");
      ossim_int32 table1KeyIdx = getColumnPosition("table1_key");
      ossim_int32 table2Idx = getColumnPosition("table2");
      ossim_int32 table2KeyIdx = getColumnPosition("table2_key");
      reset();
      if(getNumberOfRows() > 0)
      {
         row_type row;
         const int ROWS = getNumberOfRows();
         for(int rowIdx = 1; rowIdx <= ROWS; ++rowIdx)
         {
            if(rowIdx == 1)
            {
               row = read_row(rowIdx,
                              *theTableInformation);
            }
            else
            {
               row = read_next_row(*theTableInformation);
            }
            ossimFilename primitiveTable =  getColumnValueAsString(row,
                                                                   table2Idx);
            if(ossimVpfFeatureClass::isPrimitive(primitiveTable))
            {
               ossimString primitiveTableKey = getColumnValueAsString(row,
                                                                      table2KeyIdx);
               ossimFilename table = getColumnValueAsString(row,
                                                            table1Idx);
               ossimString tableKey = getColumnValueAsString(row,
                                                             table1KeyIdx);
               ossimString featureClass = getColumnValueAsString(row,
                                                                 featureIdx);
               ossimVpfFeatureClassSchemaNode node(table,
                                                   tableKey,
                                                   primitiveTable,
                                                   primitiveTableKey);
               
               theFeatureClassMap.insert(make_pair(featureClass,
                                                   node));
            }
            
            free_row(row, *theTableInformation);
         }
      }
   }
}

validateColumnNames()

bool ossimVpfFeatureClassSchema::validateColumnNames ( ) const

protected

Definition at line 86 of file ossimVpfFeatureClassSchema.cpp.

References ossimVpfTable::getColumnPosition(), and ossimVpfTable::isClosed().

Referenced by openSchema().

{
   if(isClosed()) return false;
   return ((getColumnPosition("feature_class")>=0)&&
           (getColumnPosition("table1")>=0)&&
           (getColumnPosition("table1_key")>=0)&&
           (getColumnPosition("table2")>=0)&&
           (getColumnPosition("table2_key")>=0));
}

Member Data Documentation

theCoverage

ossimVpfCoverage* ossimVpfFeatureClassSchema::theCoverage

protected

Definition at line 61 of file ossimVpfFeatureClassSchema.h.

Referenced by openSchema().

theFeatureClassMap

std::map<ossimString, ossimVpfFeatureClassSchemaNode, ossimStringLtstr> ossimVpfFeatureClassSchema::theFeatureClassMap

protected

Definition at line 63 of file ossimVpfFeatureClassSchema.h.

Referenced by closeTable(), getFeatureClasses(), getFeatureClassNode(), getNumberOfFeatureClasses(), and setFeatureClassMapping().

theSchemaTableName

ossimFilename ossimVpfFeatureClassSchema::theSchemaTableName

protected

Definition at line 62 of file ossimVpfFeatureClassSchema.h.

Referenced by openSchema().

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

• ossimVpfFeatureClassSchema.h
• ossimVpfFeatureClassSchema.cpp