public Constraint resolve(Form form)
throws SAXException, IllegalArgumentException, NullPointerException, ParseException {
// Form checks:
if (form == null)
throw new NullPointerException("Non-null form is needed to resolve Constraint");
if (!form.isProducesRecords()) {
addWarning(
"Cannot impose constraint on records of form \""
+ form.id
+ "\" because it does not produce data records.");
return null;
}
// Get column:
@SuppressWarnings("unchecked")
ColumnPointer<ComparableColumn<?>> columnPointer =
(ColumnPointer<ComparableColumn<?>>)
ColumnPointer.ByName(
form.getSchema(),
columnName,
true,
true); // will throw IllegalArgumentException if no such column is found (but name
// sanitation will be used first)
// Column check:
if (!(columnPointer.getColumn() instanceof ComparableColumn<?>))
throw new SAXException(
"Constraint refers to a column (\"" + columnName + "\") which is not comparable.");
// Return RuleConstraint:
return RuleConstraint.FromString(columnPointer, comparison, valueString);
}
/* (non-Javadoc)
* @see uk.ac.ucl.excites.sapelli.collector.db.ProjectStore#doAdd(uk.ac.ucl.excites.sapelli.collector.model.Project)
*/
@Override
protected void doAdd(Project project)
throws ProjectIdentificationClashException, ProjectSignatureClashException,
IllegalStateException {
try { // Note: we use insert() instead of store() to not allow updates
// Store project record:
rsWrapper.recordStore.insert(getProjectRecord(project));
// Store an FSI record for each record-producing form:
for (Form form : project.getForms())
if (form.isProducesRecords()) rsWrapper.recordStore.insert(getFSIRecord(form));
// Cache the project:
cacheProject(project);
} catch (DBPrimaryKeyException dbPKE) {
throw new ProjectIdentificationClashException(project, false);
} catch (DBConstraintException dbCE) {
throw new ProjectSignatureClashException(project);
} catch (DBException e) {
e.printStackTrace(System.err);
throw new IllegalStateException(e);
}
}
@Override
protected void parseEndElement(String uri, String localName, String qName) throws Exception {
// </Sapelli-Collector-Project>, or </ExCiteS-Collector-Project> (for backwards compatibility)
if (qName.equals(TAG_PROJECT) || qName.equals(TAG_PROJECT_V1X)) {
clearSubtreeParsers();
if (project.getForms().size() == 0)
throw new SAXException("A project such have at least 1 form!");
else {
// Resolve startForm
Form startForm =
project.getForm(
startFormID); // will return null if startFormID is null or there is no form with
// that name, uses equalsIgnoreCase()
if (startForm != null) project.setStartForm(startForm);
// else: first form of project will remain the startForm
// Resolve form relationships:
if (relationshipToFormID != null)
for (Entry<Relationship, String> entry : relationshipToFormID.entrySet()) {
Relationship rel = entry.getKey();
Form relatedForm = project.getForm(entry.getValue()); // uses equalsIgnoreCase()
if (relatedForm == null)
throw new SAXException(
"Relationship \""
+ rel.id
+ "\" in form \""
+ rel.form.id
+ "\" refers to unknown related form \""
+ entry.getValue()
+ "\".");
rel.setRelatedForm(
relatedForm); // will trigger initialisation of Schema of relatedForm (this should
// not be a problem, it will not be done again below)
}
// Initialise forms...
for (Form form : project.getForms()) {
try {
// generates Schema, Columns & ValueDictionaries:
form.initialiseStorage(
fsiProvider != null
? fsiProvider.getByPassableFieldIDs(form)
: null); // Note: fsiProvider will be null if this project is loaded/parsed for
// the first time
} catch (ModelFullException mfe) {
throw new SAXException(
"This project contains more data-producing Forms than allowed (maximum: "
+ Project.MAX_RECORD_PRODUCING_FORMS
+ ").");
} catch (DuplicateColumnException dce) {
throw new SAXException(
"Duplicate column name (\""
+ dce.getColumnName()
+ "\") in schema for form \""
+ form.id
+ "\".");
}
addWarnings(form.getWarnings()); // !!!
form.clearWarnings();
}
// Seal project model:
project.getModel().seal();
// Resolve relationship constraints:
if (relationshipToConstraints != null)
for (Entry<Relationship, List<ConstraintDescription>> entry :
relationshipToConstraints.entrySet())
for (ConstraintDescription constrDesc : entry.getValue())
try {
Relationship rel = entry.getKey();
rel.addConstraint(constrDesc.resolve(rel.getRelatedForm()));
} catch (Exception e) {
throw new Exception(
"Error upon resolving constraint on Relationship \"" + entry.getKey().id + "\"",
e);
}
}
}
}
private RecordReference getFSIRecordReference(Form form) {
return FSI_SCHEMA.createRecordReference(
getProjectRecordReference(form.project), form.getPosition());
}
private Record getFSIRecord(Form form) {
return FSI_SCHEMA.createRecord(
getProjectRecordReference(form.project),
form.getPosition(),
form.getColumnOptionalityAdvisor().getIDsOfByPassableNonOptionalFieldsWithColumn());
}
