use of com.intellij.vcs.log.graph.api.permanent.PermanentCommitsInfo in project intellij-community by JetBrains.
the class SimpleGraphInfo method build.
public static <CommitId> SimpleGraphInfo<CommitId> build(@NotNull LinearGraph linearGraph, @NotNull GraphLayout oldLayout, @NotNull PermanentCommitsInfo<CommitId> permanentCommitsInfo, int permanentGraphSize, @NotNull Set<Integer> branchNodeIds) {
// todo get first visible row from table somehow
int firstVisibleRow = VISIBLE_RANGE;
int start = Math.max(0, firstVisibleRow - VISIBLE_RANGE);
// no more than 2*1000 commits;
int end = Math.min(linearGraph.nodesCount(), start + 2 * VISIBLE_RANGE);
List<GraphCommit<CommitId>> graphCommits = ContainerUtil.newArrayListWithCapacity(end - start);
List<CommitId> commitsIdMap = ContainerUtil.newArrayListWithCapacity(end - start);
for (int row = start; row < end; row++) {
int nodeId = linearGraph.getNodeId(row);
CommitId commit = permanentCommitsInfo.getCommitId(nodeId);
List<CommitId> parents = ContainerUtil.newSmartList();
parents.addAll(ContainerUtil.mapNotNull(asLiteLinearGraph(linearGraph).getNodes(row, LiteLinearGraph.NodeFilter.DOWN), row1 -> {
if (row1 < start || row1 >= end)
return null;
return permanentCommitsInfo.getCommitId(linearGraph.getNodeId(row1));
}));
graphCommits.add(GraphCommitImpl.createCommit(commit, parents, permanentCommitsInfo.getTimestamp(nodeId)));
commitsIdMap.add(commit);
}
IntTimestampGetter timestampGetter = PermanentCommitsInfoImpl.createTimestampGetter(graphCommits);
NotNullFunction<Integer, CommitId> function = createCommitIdMapFunction(commitsIdMap);
PermanentLinearGraphImpl newLinearGraph = PermanentLinearGraphBuilder.newInstance(graphCommits).build();
int[] layoutIndexes = new int[end - start];
List<Integer> headNodeIndexes = ContainerUtil.newArrayList();
TObjectIntHashMap<CommitId> commitIdToInteger = reverseCommitIdMap(permanentCommitsInfo, permanentGraphSize);
for (int row = start; row < end; row++) {
CommitId commitId = commitsIdMap.get(row - start);
int layoutIndex = oldLayout.getLayoutIndex(commitIdToInteger.get(commitId));
layoutIndexes[row - start] = layoutIndex;
if (asLiteLinearGraph(newLinearGraph).getNodes(row - start, LiteLinearGraph.NodeFilter.UP).isEmpty()) {
headNodeIndexes.add(row - start);
}
}
ContainerUtil.sort(headNodeIndexes, Comparator.comparingInt(o -> layoutIndexes[o]));
int[] starts = new int[headNodeIndexes.size()];
for (int i = 0; i < starts.length; i++) {
starts[i] = layoutIndexes[headNodeIndexes.get(i)];
}
GraphLayoutImpl newLayout = new GraphLayoutImpl(layoutIndexes, headNodeIndexes, starts);
return new SimpleGraphInfo<>(newLinearGraph, newLayout, function, timestampGetter, LinearGraphUtils.convertIdsToNodeIndexes(linearGraph, branchNodeIds));
}
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