private IModelEntity getSelectedEntity() {
logger.debug("IN");
IModelEntity entity = null;
try {
IDataSource ds = getDataSource();
// change max recursion level to data source
Map<String, Object> properties = ds.getConfiguration().loadDataSourceProperties();
properties.put("maxRecursionLevel", "5");
// ds.setDataMartModelAccessModality(modelAccessModality);
IModelStructure structure = ds.getModelStructure();
QbeEngineInstance engineInstance = getEngineInstance();
QbeTemplate template = engineInstance.getTemplate();
if (template.isComposite()) { // composite Qbe is not supported
logger.error("Template is composite. This is not supported by the Registry engine");
throw new SpagoBIEngineServiceException(
getActionName(), "Template is composite. This is not supported by the Registry engine");
}
// takes the only datamart's name configured
String modelName = (String) template.getDatamartNames().get(0);
RegistryConfiguration registryConfig =
(RegistryConfiguration) template.getProperty("registryConfiguration");
String entityName = registryConfig.getEntity();
int index = entityName.lastIndexOf(".");
entityName =
entityName
+ "::"
+ entityName.substring(
index + 1); // entity name is something like it.eng.Store::Store
logger.debug("Looking for entity [" + entityName + "] in model [" + modelName + "] ...");
entity = structure.getRootEntity(modelName, entityName);
logger.debug("Entity [" + entityName + "] was found");
if (entity == null) {
logger.error("Entity [" + entityName + "] not found!");
throw new SpagoBIEngineServiceException(
getActionName(), "Entity [" + entityName + "] not found!");
}
} finally {
logger.debug("OUT");
}
return entity;
}
public boolean hasRegistryTotalLines() {
Iterator<Column> it = registryConfig.getColumns().iterator();
boolean found = false;
while (it.hasNext() && !found) {
Column column = it.next();
String sfO = column.getSummaryFunction();
if (sfO != null && sfO.equalsIgnoreCase("sum")) {
found = true;
}
}
return found;
}
private void changeAlias(IDataStore dataStore) {
logger.debug("IN");
IMetaData metaData = dataStore.getMetaData();
for (int i = 0; i < metaData.getFieldCount(); i++) {
IFieldMetaData meta = metaData.getFieldMeta(i);
Column col = registryConfig.getColumnConfiguration(meta.getAlias());
if (col.getTitle() != null) {
meta.setAlias(col.getTitle());
// metaData.changeFieldAlias(i, col.getTitle());
logger.debug("Changed alias of column " + meta.getName() + " to " + col.getTitle());
}
}
logger.debug("OUT");
}
private Query buildQuery() {
logger.debug("IN");
Query query = null;
try {
QbeEngineInstance qbeEngineInstance = getEngineInstance();
Map env = qbeEngineInstance.getEnv();
query = new Query();
query.setDistinctClauseEnabled(false);
IModelEntity entity = getSelectedEntity();
QbeEngineInstance engineInstance = getEngineInstance();
QbeTemplate template = engineInstance.getTemplate();
registryConfig = (RegistryConfiguration) template.getProperty("registryConfiguration");
List<Column> columns = registryConfig.getColumns();
columnMaxSize = registryConfig.getColumnsMaxSize();
Iterator<Column> it = columns.iterator();
Map<String, String> fieldNameIdMap = new HashMap<String, String>();
while (it.hasNext()) {
Column column = it.next();
getMandatoryMetadata(column);
getColumnsInfos(column);
IModelField field = getColumnModelField(column, entity);
if (field == null) {
logger.error("Field " + column.getField() + " not found!!");
} else {
String name = field.getPropertyAsString("label");
if (name == null || name.length() == 0) {
name = field.getName();
}
String sorter =
column.getSorter() != null
&& (column.getSorter().equalsIgnoreCase("ASC")
|| column.getSorter().equalsIgnoreCase("DESC"))
? column.getSorter().toUpperCase()
: null;
query.addSelectFiled(
field.getUniqueName(),
"NONE",
field.getName(),
true,
true,
false,
sorter,
field.getPropertyAsString("format"));
fieldNameIdMap.put(column.getField(), field.getUniqueName());
}
}
// get Drivers and filters
List<RegistryConfiguration.Filter> filters = registryConfig.getFilters();
int i = 0;
ArrayList<ExpressionNode> expressionNodes = new ArrayList<ExpressionNode>();
for (Iterator iterator = filters.iterator(); iterator.hasNext(); ) {
Filter filter = (Filter) iterator.next();
addFilter(i, query, env, fieldNameIdMap, filter, expressionNodes);
i++;
}
// put together expression nodes
if (expressionNodes.size() == 1) {
query.setWhereClauseStructure(expressionNodes.get(0));
} else if (expressionNodes.size() > 1) {
ExpressionNode exprNodeAnd = new ExpressionNode("NODE_OP", "AND");
exprNodeAnd.setChildNodes(expressionNodes);
query.setWhereClauseStructure(exprNodeAnd);
}
} finally {
logger.debug("OUT");
}
return query;
}
private void addSumRows(IDataStore dataStore) {
logger.debug("IN");
summaryColorCellsArray = new JSONArray();
summaryCellsArray = new JSONArray();
ArrayList<Integer> columnsIndexToMerge = new ArrayList<Integer>();
ArrayList<Integer> columnsIndexToEmpty = new ArrayList<Integer>();
ArrayList<Integer> columnsIndexToAfter = new ArrayList<Integer>();
HashMap<Integer, Object> columnsIndexToSum2Counter = new HashMap<Integer, Object>();
// collect columns to merge and columns to sum and colummsn to empty:
// -- columns to merge have merge attributes until a columns with summaryFunc is found
// then other columns that have merge attribute but no
List<Column> columns = registryConfig.getColumns();
Integer index = 0;
boolean summaryFuncFound = false;
boolean measureFound = false;
for (Iterator iterator = columns.iterator(); iterator.hasNext(); ) {
Column column = (Column) iterator.next();
if (column.isMerge() && summaryFuncFound == false) {
columnsIndexToMerge.add(index);
} else if (summaryFuncFound == true && !column.isMeasure() && !measureFound) {
columnsIndexToEmpty.add(index);
} else if (summaryFuncFound == true && !column.isMeasure() && measureFound) {
columnsIndexToAfter.add(index);
} else if (column.isMeasure()) {
columnsIndexToSum2Counter.put(index, 0);
measureFound = true;
}
if (column.getSummaryFunction() != null && column.getSummaryFunction().equals("sum"))
summaryFuncFound = true;
index++;
}
// Map to store previous merge values on iteration
HashMap<Integer, Object> previousMergeValues = new HashMap<Integer, Object>();
for (Iterator iterator = columnsIndexToMerge.iterator(); iterator.hasNext(); ) {
Integer columnIndex = (Integer) iterator.next();
previousMergeValues.put(columnIndex, null);
}
TreeMap<Integer, Record> recordsToAddMap = new TreeMap<Integer, Record>();
int sumCounter = 0; // add total row only if grouping has more than one member
// iterate on each store row
for (int i = 0; i < dataStore.getRecordsCount(); i++) {
IRecord record = dataStore.getRecordAt(i);
// get current values of column to merge
HashMap<Integer, Object> currentMergeValues = new HashMap<Integer, Object>();
// iterate on each column to merge and store values
for (Iterator iterator = columnsIndexToMerge.iterator(); iterator.hasNext(); ) {
Integer columnIndex = (Integer) iterator.next();
Object value = record.getFieldAt(columnIndex).getValue();
currentMergeValues.put(columnIndex, value);
}
// compare current values with previous ones
boolean isEqual = compareValuesMaps(previousMergeValues, currentMergeValues);
// if merging goes on update counters else add summarization line
if (isEqual) {
sumCounter++;
for (Iterator iterator = columnsIndexToSum2Counter.keySet().iterator();
iterator.hasNext(); ) {
Integer indexMeasure = (Integer) iterator.next();
Object value = record.getFieldAt(indexMeasure).getValue();
// TODO treat the case this is not a number, should keep it to null
if (value != null) {
// get previous value
Object result = operateWithNumbers(columnsIndexToSum2Counter.get(indexMeasure), value);
columnsIndexToSum2Counter.put(indexMeasure, result);
} else {
columnsIndexToSum2Counter.put(indexMeasure, null);
}
}
} else {
// breaking point, add summarization lines at previous index; i-1
// add a new record only if sumCounter > 0
if (sumCounter > 0) {
addTotalRecord(
dataStore,
i,
columnsIndexToMerge,
columnsIndexToEmpty,
columnsIndexToAfter,
columnsIndexToSum2Counter,
previousMergeValues,
recordsToAddMap);
}
// put the counters to actual values
for (Iterator iterator = columnsIndexToSum2Counter.keySet().iterator();
iterator.hasNext(); ) {
Integer columnInd = (Integer) iterator.next();
Object v = record.getFieldAt(columnInd).getValue();
columnsIndexToSum2Counter.put(columnInd, v);
}
sumCounter = 0;
}
// update previousValues
previousMergeValues = currentMergeValues;
}
// add final total if last records were merged
if (sumCounter > 0) {
addTotalRecord(
dataStore,
null,
columnsIndexToMerge,
columnsIndexToEmpty,
columnsIndexToAfter,
columnsIndexToSum2Counter,
previousMergeValues,
recordsToAddMap);
}
// finally add the record (could not add them while cycling the store)
for (Iterator iterator = recordsToAddMap.keySet().iterator(); iterator.hasNext(); ) {
Integer indexR = (Integer) iterator.next();
Record rec = recordsToAddMap.get(indexR);
if (indexR == -1) {
dataStore.appendRecord(rec);
} else {
dataStore.insertRecord(indexR, rec);
}
}
logger.debug("OUT");
}