@SuppressWarnings("rawtypes")
protected Set<ILocation> substituteAsPointLocations(ILocation location, Object[] discriminators) {
Set<ILocation> result = new HashSet<ILocation>(Collections.singleton(location));
Object[][] matrix;
for (int i = 0; i < discriminators.length; i++) {
// Temporary variable to stock the results
Set<ILocation> tmpResult = new HashSet<ILocation>();
for (ILocation loc : result) {
final Object discriminator = discriminators[i];
if (discriminator == null) {
// Expand the null location with all the possible members of the
// analysis dimension
for (IMember allDiscriminators : this.analysisDimension.retrieveMembers(i)) {
matrix = loc.arrayCopy();
matrix[this.analysisDimensionOrdinal][i] =
((IAxisMember) allDiscriminators).getDiscriminator();
tmpResult.add(new Location(matrix));
}
} else if (discriminator instanceof Collection) {
// Expand the collection location with all the members of the location
for (Object allDiscriminators : ((Collection) discriminator)) {
matrix = loc.arrayCopy();
matrix[this.analysisDimensionOrdinal][i] = allDiscriminators;
tmpResult.add(new Location(matrix));
}
} else {
// Put the the concrete discriminator as it is
matrix = loc.arrayCopy();
matrix[this.analysisDimensionOrdinal][i] = discriminator;
tmpResult.add(new Location(matrix));
}
}
// Export the results to the final variable
// and clean the temporary variable
result.clear();
result.addAll(tmpResult);
tmpResult.clear();
}
// Return the substituted result
return result;
}
/**
* Puts back at the analysis dimension ordinal the initial discriminators that were found
*
* @param locations the locations to substitute
* @param discriminator the initial discriminators that were found
* @return the changed locations
*/
protected Set<ILocation> substitute(Set<ILocation> locations, Object[] discriminators) {
Set<ILocation> result = new HashSet<ILocation>();
for (ILocation loc : locations) {
Object[][] matrix = loc.arrayCopy();
matrix[this.analysisDimensionOrdinal] = discriminators;
result.add(new Location(matrix));
}
// Return the substituted result
return result;
}
@Override
public IImpact computeImpact(ILocation location, IActivePivotTransactionInfo event) {
// The results will be stored in these variables
Set<ILocation> impact = new HashSet<ILocation>();
Set<ILocation> removedPointCandidates = null;
// The original location
Object[][] original = location.arrayCopy();
// Find the discriminators at the analysis dimension ordinal
Object[] discriminators = original[this.analysisDimensionOrdinal];
// Substitute the current discriminator with the null one
original[this.analysisDimensionOrdinal] = new Object[discriminators.length];
ILocation rangeLocation = new Location(original);
try {
// Compute the added locations
Set<ILocation> toAdd = event.computeAddedObjectsImpact(Collections.singleton(rangeLocation));
// Substitute the default discriminator with the original discriminator
toAdd = substitute(toAdd, discriminators);
// Add it to the impact
impact.addAll(toAdd);
// Compute the locations to remove
Set<ILocation> toRemove =
event.computeRemovedObjectsImpact(Collections.singleton(rangeLocation));
toRemove = substituteAsPointLocations(toRemove, discriminators);
// add it to the impact
impact.addAll(toRemove);
// Update the removed impacts
removedPointCandidates = toRemove;
} catch (TransactionException e) {
throw new QuartetRuntimeException(e);
}
return new Impact(location, impact, removedPointCandidates);
}