ora::ArrayMapping Class Reference

#include <RelationalMapping.h>

Inheritance diagram for ora::ArrayMapping:

List of all members.

Public Member Functions
	ArrayMapping (const Reflex::Type &attributeType, TableRegister &tableRegister)
void	process (MappingElement &parentElement, const std::string &attributeName, const std::string &attributeNameForSchema, const std::string &scopeNameForSchema)
	~ArrayMapping ()
Private Attributes
TableRegister &	m_tableRegister
Reflex::Type	m_type

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Detailed Description

Definition at line 129 of file RelationalMapping.h.

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Constructor & Destructor Documentation

ora::ArrayMapping::ArrayMapping	(	const Reflex::Type &	attributeType,
		TableRegister &	tableRegister
	)

Definition at line 343 of file RelationalMapping.cc.

                                                                                            :
  m_type(attributeType), m_tableRegister( tableRegister ){
}

ora::ArrayMapping::~ArrayMapping

(

)

Definition at line 347 of file RelationalMapping.cc.

                              {
}

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Member Function Documentation

void ora::ArrayMapping::process	(	MappingElement &	parentElement,
		const std::string &	attributeName,
		const std::string &	attributeNameForSchema,
		const std::string &	scopeNameForSchema
	)		[virtual]

Implements ora::IRelationalMapping.

Definition at line 350 of file RelationalMapping.cc.

References ora::MappingElement::appendSubElement(), ora::MappingElement::arrayMappingElementType(), className(), ora::MappingRules::columnNameForId(), ora::MappingRules::columnNameForPosition(), ora::MappingElement::columnNames(), ora::ClassUtils::containerDataType(), ora::ClassUtils::containerKeyType(), ora::ClassUtils::containerValueType(), i, ora::ClassUtils::isTypeAssociativeContainer(), ora::ClassUtils::isTypeNonAssociativeContainer(), ora::ClassUtils::isTypePVector(), ora::ClassUtils::isTypeQueryableVector(), ora::MappingRules::MaxTableNameLength, ora::MappingRules::newNameForArraySchemaObject(), ora::RelationalMappingFactory::newProcessor(), ora::MappingElement::OraArrayMappingElementType(), ora::ClassUtils::resolvedType(), ora::MappingElement::setColumnNames(), ora::MappingElement::tableName(), ora::throwException(), ora::MappingRules::variableNameForContainerKey(), and ora::MappingRules::variableNameForContainerValue().

                                                                      {
  std::string tableName = parentElement.tableName();
  std::string initialTable(tableName);

  std::string arrayTable(initialTable);
  unsigned int i=0;
  while(m_tableRegister.checkTable(arrayTable)){
    arrayTable = ora::MappingRules::newNameForArraySchemaObject( initialTable, i, ora::MappingRules::MaxTableNameLength );
    i++;
  }
  m_tableRegister.insertTable(arrayTable);

  std::string className = m_type.Name(Reflex::SCOPED);

  std::string elementType = ora::MappingElement::arrayMappingElementType();
  if(ora::ClassUtils::isTypePVector(m_type) || ora::ClassUtils::isTypeQueryableVector(m_type)){
    elementType = ora::MappingElement::OraArrayMappingElementType();
  }
  ora::MappingElement& me = parentElement.appendSubElement( elementType,attributeName,className,arrayTable );
  const std::vector<std::string>& parentColumns = parentElement.columnNames();
  if( parentColumns.empty()){
    throwException( "No column name found in the parent mapping element.","ArrayMapping::process");
  }
  
  std::vector<std::string> columns;
  // always comes the oid first
  columns.push_back( ora::MappingRules::columnNameForId() );
  std::vector<std::string>::const_iterator iColumn = parentColumns.begin();
  // then copy the columns except the id...
  iColumn++;
  for ( ;iColumn != parentColumns.end(); iColumn++ ) {
    columns.push_back( ora::MappingRules::columnNameForId() + "_" + *iColumn );
  }
  // and finally add the position!
  columns.push_back( ora::MappingRules::columnNameForPosition() );
  
  me.setColumnNames( columns );
  m_tableRegister.insertColumns(arrayTable, columns );

  std::string arrayScopeNameForSchema = scopeNameForSchema;
  if( !arrayScopeNameForSchema.empty() ) arrayScopeNameForSchema +="_";
  arrayScopeNameForSchema += attributeNameForSchema;

  
  bool singleItemContainer =  ora::ClassUtils::isTypeNonAssociativeContainer(m_type);
  bool associativeContainer =  ora::ClassUtils::isTypeAssociativeContainer(m_type);

  Reflex::Type contentType;
  Reflex::Type keyType;
  
  if( singleItemContainer ){
    contentType = ClassUtils::containerValueType(m_type);
  }
  else if ( associativeContainer ) { // This is an associative container type
    contentType = ClassUtils::containerDataType( m_type );
    keyType = ClassUtils::containerKeyType( m_type );
    if( !keyType || !ClassUtils::resolvedType(keyType) ){
      throwException( "Cannot not resolve the type of the key item of container \""+m_type.Name(Reflex::SCOPED)+"\".",
                      "ArrayMapping::process");
    }
  }
  else {
    // Not supported container
      throwException( "Container type=\""+m_type.Name(Reflex::SCOPED)+"\".is not supported.",
                      "ArrayMapping::process");    
  }

  if( !contentType || !ClassUtils::resolvedType(contentType) ){
      throwException( "Cannot not resolve the type of the content item of container \""+m_type.Name(Reflex::SCOPED)+"\".",
                      "ArrayMapping::process");
  }
  RelationalMappingFactory mappingFactory( m_tableRegister );
  if ( keyType ) {
    std::string keyTypeName = keyType.Name();
    std::string keyTypeNameForSchema = MappingRules::variableNameForContainerKey();
    std::auto_ptr<IRelationalMapping> keyProcessor( mappingFactory.newProcessor( keyType ) );
    keyProcessor->process( me, keyTypeName, keyTypeNameForSchema, arrayScopeNameForSchema  );
  }
  std::string contentTypeName = contentType.Name();
  std::string contentTypeNameForSchema = MappingRules::variableNameForContainerValue();
  std::auto_ptr<IRelationalMapping> contentProcessor( mappingFactory.newProcessor( contentType ) );
  contentProcessor->process( me, contentTypeName, contentTypeNameForSchema, arrayScopeNameForSchema );
}

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Member Data Documentation

TableRegister& ora::ArrayMapping::m_tableRegister [private]

Definition at line 139 of file RelationalMapping.h.

Reflex::Type ora::ArrayMapping::m_type [private]

Definition at line 138 of file RelationalMapping.h.