public PentahoMetaDataAttributes(final DataAttributes backend, final IConcept concept) {
if (concept == null) {
throw new NullPointerException();
}
if (backend == null) {
throw new NullPointerException();
}
this.concept = concept;
this.properties = new LinkedHashMap<String, Object>(concept.getProperties());
this.backend = backend;
this.conceptMappers = new ArrayList<ConceptQueryMapper>();
this.conceptMappers.add(new AggregationConceptMapper());
this.conceptMappers.add(new AlignmentConceptMapper());
this.conceptMappers.add(new BooleanConceptMapper());
this.conceptMappers.add(new ColorConceptMapper());
this.conceptMappers.add(new ColumnWidthConceptMapper());
this.conceptMappers.add(new DataTypeConceptMapper());
this.conceptMappers.add(new DateConceptMapper());
this.conceptMappers.add(new FieldTypeConceptMapper());
this.conceptMappers.add(new FontSettingsConceptMapper());
this.conceptMappers.add(new NumberConceptMapper());
this.conceptMappers.add(new LocalizedStringConceptMapper());
this.conceptMappers.add(new TableTypeConceptMapper());
this.conceptMappers.add(new URLConceptMapper());
this.conceptMappers.add(new StringConceptMapper());
this.conceptMappers.add(new SecurityConceptMapper());
}
public Object getMetaAttribute(
final String domain,
final String name,
final Class type,
final DataAttributeContext context,
final Object defaultValue) {
if (domain == null) {
throw new NullPointerException();
}
if (name == null) {
throw new NullPointerException();
}
if (context == null) {
throw new NullPointerException();
}
if (PmdDataFactoryModule.META_DOMAIN.equals(domain)) {
final Object value = concept.getProperty(name);
if (value == null) {
return defaultValue;
}
// this metadata layer is not cloneable, so malicious client code may
// modify metadata objects.
// We cant solve the problem here, so all we can do is hope and pray.
return convertFromPmd(value, type, defaultValue, context);
}
return backend.getMetaAttribute(domain, name, type, context, defaultValue);
}
public Object clone() throws CloneNotSupportedException {
final PentahoMetaDataAttributes attributes = (PentahoMetaDataAttributes) super.clone();
attributes.backend = (DataAttributes) backend.clone();
attributes.concept = (IConcept) concept.clone();
attributes.properties = (LinkedHashMap<String, Object>) properties.clone();
attributes.conceptMappers = (ArrayList<ConceptQueryMapper>) conceptMappers.clone();
return attributes;
}
public static final String uniquify(final String id, final List<? extends IConcept> concepts) {
boolean gotNew = false;
boolean found = false;
int conceptNr = 1;
String newId = id;
while (!gotNew) {
for (IConcept concept : concepts) {
if (concept.getId().equalsIgnoreCase(newId)) {
found = true;
break;
}
}
if (found) {
conceptNr++;
newId = id + "_" + conceptNr; // $NON-NLS-1$
found = false;
} else {
gotNew = true;
}
}
return newId;
}
