/** Creates a new holder for sliding-window instances. */
public CompactCandidateSegmentGroup(FeatureFactory factory, CandidateSegmentGroup group) {
// The length of the original sequence
this.sequenceLength = group.getSequenceLength();
// The maximum length of any sliding window
this.maxWindowSize = group.getMaxWindowSize();
this.totalSize = group.size();
this.classNameSet = group.classNameSet();
this.subPopId = group.getSubpopulationId();
unitInstance = new Instance[sequenceLength];
delta = new Delta[sequenceLength][maxWindowSize];
label = new ClassLabel[sequenceLength][maxWindowSize];
segmentSource = new Object[sequenceLength][maxWindowSize];
for (int i = 0; i < sequenceLength; i++) {
unitInstance[i] = factory.compress(group.getSubsequenceInstance(i, i + 1));
}
for (int i = 0; i < sequenceLength; i++) {
for (int j = i + 1; j - i <= maxWindowSize; j++) {
if (group.getSubsequenceInstance(i, j) != null) {
label[i][j - i - 1] = group.getSubsequenceLabel(i, j);
segmentSource[i][j - i - 1] = group.getSubsequenceInstance(i, j).getSource();
delta[i][j - i - 1] = new Delta(factory, i, j, group.getSubsequenceInstance(i, j));
}
}
}
}
