/**
* Swaps eligible arguments in relations to address symmetry.
*
* @param newArgs
* @return
*/
private static Map<Class<? extends Markable>, List<? extends Markable>> swapSymmetricalArgs(
Map<Class<? extends Markable>, List<? extends Markable>> newArgs) {
Map<Class<? extends Markable>, List<? extends Markable>> result =
new HashMap<Class<? extends Markable>, List<? extends Markable>>(newArgs);
Set<Class<? extends Markable>> labels = SYMMETRIC_CLASSES.keySet();
for (Class<? extends Markable> label : labels) {
Class<? extends Markable> swapWithLabel = SYMMETRIC_CLASSES.get(label);
List<? extends Markable> origMarkables = newArgs.get(label);
Markable firstMarkable = JAXBUtil.unwrapFromList(origMarkables); // first element to swap
if (firstMarkable == null) firstMarkable = createMarkable(label);
Markable firstClone = JAXBUtil.copyObj(firstMarkable);
origMarkables = newArgs.get(swapWithLabel);
Markable secondMarkable = JAXBUtil.unwrapFromList(origMarkables); // second element to swap
if (secondMarkable == null) secondMarkable = createMarkable(swapWithLabel);
Markable secondClone = JAXBUtil.copyObj(secondMarkable);
swap(firstClone, secondClone);
// set those which received value from nulls to nulls.
if (firstClone.getStart() == null) firstClone = null;
if (secondClone.getStart() == null) secondClone = null;
result.put(label, JAXBUtil.wrapToList(firstClone));
result.put(swapWithLabel, JAXBUtil.wrapToList(secondClone));
}
return result;
}
/**
* @param arg1
* @param arg2
* @throws IllegalAccessException
* @throws InstantiationException
*/
private static void swap(Markable arg1, Markable arg2) {
BigInteger start = null, end = null;
String text = null;
start = arg1.getStart();
end = arg1.getEnd();
text = arg1.getText();
arg1.setStart(arg2.getStart());
arg1.setEnd(arg2.getEnd());
arg1.setText(arg2.getText());
arg2.setStart(start);
arg2.setEnd(end);
arg2.setText(text);
}
/**
* Validates markables: if the span start < end
*
* @param annotations
* @param filename
*/
private static <T extends Comparable<? super T>> void validate(
List<T> annotations, String filename) {
for (T obj : annotations) {
Markable m = (Markable) obj;
if (m.getEnd().intValue() > -1
&& m.getStart().intValue() > -1
&& m.getStart().intValue() >= m.getEnd().intValue())
System.err.println(
new IllegalArgumentException(
String.format(
"Wrong annotation span. File: %s Markable: %s Start:%s End:%s",
filename,
m.getClass().getSimpleName(),
m.getStart().intValue(),
m.getEnd().intValue())));
}
}
/**
* Retrieves all label of the textual span provided by the start and end offsets. The labels are
* derived from JAXB-class names.
*
* @param startOffset - start offset of the span.
* @param endOffset - end offset of the span.
* @param annotations - list of annotations.
* @return label
*/
private static <T extends Comparable<? super T>> String[] getLabels(
int startOffset, int endOffset, List<T> annotations) {
List<String> labels = null;
if (annotations != null && annotations.size() != 0) {
Markable annotation = null;
annotation =
(Markable)
annotations.get(
annotations.size() - 1); // Optimisation. Very last annotation in the text
if (startOffset > annotation.getStart().intValue()
&& startOffset >= annotation.getEnd().intValue()) {
/*
System.out.println(String.format("Offset: %s-%s is farther than the very last annotation offset: %s-%s",
startOffset, endOffset, annotation.getStart().intValue(), annotation.getEnd().intValue()));
*/
;
} else {
for (T t : annotations) {
annotation = (Markable) t;
if (annotation.getStart().intValue() == -1 && annotation.getEnd().intValue() == -1)
continue;
else if (annotation.getStart().intValue() <= startOffset
&& annotation.getEnd().intValue() > endOffset) {
if (labels == null) labels = new ArrayList<String>();
String label = annotation.getClass().getSimpleName();
label = truncateTo(label, MAX_LEN);
labels.add(label); // save all labels available for this span
}
}
}
}
String[] result = null;
if (labels != null) {
result = new String[labels.size()];
labels.toArray(result);
}
return result;
}