public function prepareDimension(MetaModel $metamodel, DatasetMetaData $dataset, $columnName, CubeMetaData $cube)
{
$column = $dataset->getColumn($columnName);
$sourceDatasetColumn = $cube->sourceDataset->getColumn($columnName);
$dimension = $cube->getDimension($columnName);
$this->prepareYearLevel($dimension, $column);
// cube source dataset column contains a reference to year identifier
$sourceDatasetColumn->initializeTypeFrom(Sequence::getSequenceColumnType());
// adding a reference to date dataset
$referenceName = DateDimensionDatasetNames::LEVEL_YEARS;
$metamodel->registerSimpleReferencePoint($referenceName, DateDimensionDatasetNames::LEVEL_YEARS, 'year_id');
$metamodel->registerSimpleReferencePoint($referenceName, $cube->sourceDatasetName, $columnName);
}
public function prepareDimension(MetaModel $metamodel, DatasetMetaData $dataset, $columnName, CubeMetaData $cube) {
$logicalColumn = $dataset->getColumn($columnName);
$column = $cube->factsDataset->getColumn($columnName);
$dimension = $cube->getDimension($columnName);
// preparing the dimension properties
$dimension->attributeColumnName = $columnName;
$dimension->setDatasetName(StarSchemaNamingConvention::getAttributeRelatedName($dataset->name, $columnName));
// preparing dimension dataset
$dimension->dataset = new DatasetMetaData();
$dimension->dataset->name = $dimension->datasetName;
$dimension->dataset->publicName = $dataset->publicName . " [$logicalColumn->publicName]";
$dimension->dataset->description = t("Lookup table to store unique values from '@columnName' column", array('@columnName' => $logicalColumn->publicName));
$dimension->dataset->datasourceName = $dataset->datasourceName;
$dimension->dataset->source = StarSchemaNamingConvention::getAttributeRelatedName($dataset->source, $columnName);
$dimension->dataset->markAsPrivate();
// adding dimension dataset aliases
if (isset($dataset->aliases)) {
foreach ($dataset->aliases as $alias) {
$dimension->dataset->aliases[] = StarSchemaNamingConvention::getAttributeRelatedName($alias, $columnName);
}
}
// adding key column
$keyColumn = $dimension->dataset->registerColumn($columnName);
$keyColumn->publicName = $logicalColumn->publicName;
$keyColumn->description = t("System generated ID to identify each unique value from '@columnName' column", array('@columnName' => $logicalColumn->publicName));
$keyColumn->initializeTypeFrom(Sequence::getSequenceColumnType());
$keyColumn->key = TRUE;
$keyColumn->visible = FALSE;
// adding 'value' column
$valueColumn = $dimension->dataset->registerColumn('value');
$valueColumn->publicName = $logicalColumn->publicName;
$valueColumn->description = t("Actual value from '@columnName' column", array('@columnName' => $logicalColumn->publicName));
$valueColumn->initializeTypeFrom($logicalColumn->type);
// facts dataset column contains a reference to lookup
$column->initializeTypeFrom(Sequence::getSequenceColumnType());
$column->type->logicalApplicationType = StringDataTypeHandler::DATA_TYPE;
// marking that the dimension dataset object contains complete meta data & registering it in meta model
$dimension->dataset->markAsComplete();
$metamodel->registerDataset($dimension->dataset);
// adding a reference to the dimension dataset
$referenceName = $dimension->datasetName;
$metamodel->registerSimpleReferencePoint($referenceName, $dimension->datasetName, $columnName);
$metamodel->registerSimpleReferencePoint($referenceName, $cube->factsDatasetName, $columnName);
}
public function prepareDimension(MetaModel $metamodel, DatasetMetaData $dataset, $columnName, CubeMetaData $cube) {
$column = $cube->factsDataset->getColumn($columnName);
$dimension = $cube->getDimension($columnName);
$referencedCube = $metamodel->findCube($this->datasetName);
// TODO DHS Management Cube (we do not have cubes for lookups)
$referencedDatasetName = isset($referencedCube) ? $referencedCube->factsDatasetName : $this->datasetName;
// preparing dimension properties
$dimension->attributeColumnName = $columnName;
// preparing dimension dataset
$dimension->setDatasetName($this->datasetName);
$dimension->dataset = $metamodel->getDataset($dimension->datasetName);
// facts dataset column contains a reference to lookup
// TODO DHS Management Cube (column type has been already prepared)
if (!isset($column->type->applicationType)) {
$column->initializeTypeFrom(Sequence::getSequenceColumnType());
}
// adding a reference to dimension dataset
$referenceName = $referencedDatasetName;
$metamodel->registerSimpleReferencePoint($referenceName, $referencedDatasetName, NULL);
$metamodel->registerSimpleReferencePoint($referenceName, $cube->factsDatasetName, $columnName);
// ... to support retrieving properties of the dimension dataset
$metamodel->registerSimpleReferencePoint($referenceName, $dimension->datasetName, $dimension->dataset->getKeyColumn()->name);
}
