/**
* Return the query specified in the request, shorn of all duplicate classes in the view. Note, it
* is the users responsibility to ensure that there are only SequenceFeatures in the view.
*
* @return A query.
*/
protected PathQuery getQuery() {
String xml = getRequiredParameter(XML_PARAM);
PathQueryBuilder builder = getQueryBuilder(xml);
PathQuery pq = builder.getQuery();
List<String> newView = new ArrayList<String>();
Set<ClassDescriptor> seenTypes = new HashSet<ClassDescriptor>();
for (String viewPath : pq.getView()) {
Path p;
try {
p = new Path(pq.getModel(), viewPath);
} catch (PathException e) {
throw new BadRequestException("Query is invalid", e);
}
ClassDescriptor cd = p.getLastClassDescriptor();
if (!seenTypes.contains(cd)) {
newView.add(viewPath);
}
seenTypes.add(cd);
}
if (!newView.equals(pq.getView())) {
pq.clearView();
pq.addViews(newView);
}
return pq;
}
private String getQueryXML(String name, PathQuery query) {
String modelName = query.getModel().getName();
return PathQueryBinding.marshal(
query, (name != null ? name : ""), modelName, PathQuery.USERPROFILE_VERSION);
}
// TODO javadoc to describe what this does
private MultiRow<ResultsRow<MultiRowValue<ResultElement>>> translateRow(
MultiRow<ResultsRow<MultiRowValue>> multiRow) {
try {
MultiRow<ResultsRow<MultiRowValue<ResultElement>>> retval =
new MultiRow<ResultsRow<MultiRowValue<ResultElement>>>();
for (ResultsRow<MultiRowValue> initialList : multiRow) {
ResultsRow<MultiRowValue<ResultElement>> rowCells =
new ResultsRow<MultiRowValue<ResultElement>>();
for (Path columnPath : columnPaths) {
String columnName = columnPath.toStringNoConstraints();
Integer columnIndexInteger = pathToIndex.get(columnName);
String parentColumnName = columnPath.getPrefix().toStringNoConstraints();
if (columnIndexInteger == null) {
columnIndexInteger = pathToIndex.get(parentColumnName);
}
if (columnIndexInteger == null) {
throw new NullPointerException(
"Path: \""
+ columnName
+ "\", pathToIndex: \""
+ pathToIndex
+ "\", prefix: \""
+ parentColumnName
+ "\", query: \""
+ PathQueryBinding.marshal(
pathQuery,
"",
pathQuery.getModel().getName(),
PathQuery.USERPROFILE_VERSION)
+ "\"");
}
int columnIndex = columnIndexInteger.intValue();
MultiRowValue origO = initialList.get(columnIndex);
FastPathObject o = (FastPathObject) (origO == null ? null : origO.getValue());
int rowspan = -1;
if (origO == null) {
rowspan = 1;
} else if (origO instanceof MultiRowFirstValue) {
rowspan = ((MultiRowFirstValue) origO).getRowspan();
}
String lastCd;
if (columnPath.endIsAttribute()) {
lastCd = columnPath.getLastClassDescriptor().getName();
} else {
// special case for columns that contain objects eg. Gene.chromosomeLocation
lastCd = columnPath.getLastClassDescriptor().getName();
}
String type = TypeUtil.unqualifiedName(lastCd);
Path path;
String fieldName = null;
try {
if (columnPath.endIsAttribute()) {
fieldName = columnName.substring(columnName.lastIndexOf(".") + 1);
path = new Path(model, type + '.' + fieldName);
} else {
// special case for columns that contain objects
path = new Path(model, type);
}
} catch (PathException e) {
// Should never happen if the field name is valid
throw new Error("There must be a bug", e);
}
// Three cases:
// 1) attribute has a value so create a result element
// 2) we have an object but attribute is null -> create a ResultElement with
// value null
// 3) the object is null (outer join) so add null value rowCells
// Object fieldValue;
// try {
// fieldValue = (o == null ? null : PathUtil.resolvePath(path, o));
// } catch (PathException e) {
// throw new IllegalArgumentException("Path: \"" + columnName
// + "\", pathToIndex: \"" + pathToIndex + "\", prefix: \""
// + parentColumnName + "\", query: \""
// + PathQueryBinding.marshal(pathQuery, "",
// pathQuery.getModel()
// .getName(), PathQuery.USERPROFILE_VERSION)
// + "\", columnIndex: \"" + columnIndex + "\",
// initialList: \""
// + initialList + "\"", e);
// }
if (o != null) {
String fieldCDName = path.getLastClassDescriptor().getName();
String unqualifiedFieldCD = TypeUtil.unqualifiedName(fieldCDName);
boolean isKeyField;
if (fieldName == null) {
// special case for columns that contain objects
isKeyField = false;
} else {
isKeyField = ClassKeyHelper.isKeyField(classKeys, unqualifiedFieldCD, fieldName);
}
ResultElement resultElement = new ResultElement(o, path, isKeyField);
// link to report page by default, unless it says otherwise in config
if (redirector != null) {
try {
String linkRedirect = redirector.generateLink(im, (InterMineObject) o);
if (linkRedirect != null) {
resultElement.setLinkRedirect(linkRedirect);
}
} catch (ClassCastException e) {
// Simple objects cannot be consumed by redirectors.
}
}
if (rowspan >= 0) {
rowCells.add(new MultiRowFirstValue(resultElement, rowspan));
} else {
rowCells.add(null);
}
} else {
if (rowspan >= 0) {
rowCells.add(new MultiRowFirstValue(null, rowspan));
} else {
rowCells.add(null);
}
}
}
retval.add(rowCells);
}
return retval;
} catch (IndexOutOfBoundsException e) {
throw new RuntimeException(e);
}
}
