Segment[] createRowSegments(long time) {
Segment[] segments = NO_SEGMENTS;
for (int i = tracks.length - 1; i >= 0; --i) {
Track track = tracks[i];
Segment segment = track.getSegment(time);
if (segments == NO_SEGMENTS) {
if (segment == null) {
continue;
}
segments = new Segment[i + 1];
}
segments[i] = segment;
}
return segments;
}
private Segment getOrCreateSegment(Branch branch, long time, boolean afterLast) {
if (!afterLast && firstCommit != null) {
Segment[] rowSegments = firstCommit.getRowSegments();
for (int i = 0; i < rowSegments.length; i++) {
Segment rowSegment = rowSegments[i];
if (rowSegment != null && !rowSegment.isComplete()) {
Branch rowBranch = rowSegment.getBranch();
boolean complete = rowBranch.getBaseCommitTime() == time;
rowSegment.adjustVisualTime(time, complete);
}
}
}
Segment bestSegment = null;
long visualTime = 0;
for (int i = 0; i < tracks.length; i++) {
Track track = tracks[i];
if (afterLast) {
Segment lastSegment = track.getLastSegment();
if (lastSegment != null) {
if (lastSegment.getBranch() == branch) {
// If the last segment of this track has the same branch, then just extend it
return lastSegment;
}
if (branch.getBaseCommitBranch() == lastSegment.getBranch()) {
// Don't block the tracks with the base commit
continue;
}
if (lastCommit != null && lastCommit.getTime() == lastSegment.getLastCommitTime()) {
// Don't block the track of the last commit
continue;
}
if (visualTime == 0) {
Segment lastBranchSegment = branch.getLastSegment();
if (lastBranchSegment != null) {
visualTime = lastBranchSegment.getLastCommitTime();
} else {
visualTime = branch.getBaseCommitTime();
}
}
if (bestSegment == null && lastSegment.getLastCommitTime() < visualTime) {
bestSegment = lastSegment;
}
}
} else {
Segment firstSegment = track.getFirstSegment();
if (firstSegment != null) {
Branch firstBranch = firstSegment.getBranch();
if (firstBranch == branch) {
// If the first segment of this track has the same branch, then just extend it
return firstSegment;
}
if (bestSegment == null) {
if (!firstSegment.isComplete()) {
// Don't block the tracks with incomplete segments
continue;
}
if (firstBranch.getBaseCommitBranch() == branch) {
// Don't block the tracks with the base commit
continue;
}
if (firstSegment.getFirstVisualTime() > branch.getFirstCommitTime()) {
bestSegment = firstSegment;
}
}
}
}
}
Track track;
if (bestSegment != null) {
track = bestSegment.getTrack();
} else {
track = createTrack();
}
Segment segment = new Segment(track, branch);
track.addSegment(segment, afterLast);
branch.addSegment(segment, afterLast);
if (visualTime != 0) {
segment.adjustVisualTime(visualTime, true);
}
return segment;
}
