/** 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)); } } } }