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improve performance of mercurial log command

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This commit is contained in:
Sebastian Sdorra
2012-07-04 10:33:11 +02:00
parent b9eb0aff5f
commit ebc3db753e
2 changed files with 99 additions and 41 deletions
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127
scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/spi/HgLogCommand.java
View File

@@ -107,59 +107,104 @@ public class HgLogCommand extends AbstractCommand implements LogCommand
public ChangesetPagingResult getChangesets(LogCommandRequest request)
throws IOException, RepositoryException
{
ChangesetPagingResult result = null;
com.aragost.javahg.Repository repository = open();
HgLogChangesetCommand cmd = HgLogChangesetCommand.on(repository);
String startChangeset = request.getStartChangeset();
String endChangeset = request.getEndChangeset();
if (!Strings.isNullOrEmpty(startChangeset)
&&!Strings.isNullOrEmpty(endChangeset))
{
cmd.rev(startChangeset.concat(":").concat(endChangeset));
}
else if (!Strings.isNullOrEmpty(endChangeset))
{
cmd.rev("tip:".concat(endChangeset));
}
else if (!Strings.isNullOrEmpty(startChangeset))
{
cmd.rev(startChangeset.concat(":0"));
}
List<Changeset> changesetList = null;
if (!Strings.isNullOrEmpty(request.getPath()))
{
changesetList = cmd.execute(request.getPath());
}
else
{
changesetList = cmd.execute();
}
int start = request.getPagingStart();
int limit = request.getPagingLimit();
List<Changeset> changesets = null;
String startChangeset = request.getStartChangeset();
String endChangeset = request.getEndChangeset();
if ((start == 0) && (limit < 0))
{
changesets = changesetList;
}
else
{
limit = limit + start;
if ((limit > changesetList.size()) || (limit < 0))
if (!Strings.isNullOrEmpty(startChangeset)
&&!Strings.isNullOrEmpty(endChangeset))
{
limit = changesetList.size();
cmd.rev(startChangeset.concat(":").concat(endChangeset));
}
else if (!Strings.isNullOrEmpty(endChangeset))
{
cmd.rev("tip:".concat(endChangeset));
}
else if (!Strings.isNullOrEmpty(startChangeset))
{
cmd.rev(startChangeset.concat(":0"));
}
List<Changeset> sublist = changesetList.subList(start, limit);
List<Changeset> changesetList = cmd.execute(request.getPath());
changesets = Lists.newArrayList(sublist);
int start = request.getPagingStart();
int limit = request.getPagingLimit();
List<Changeset> changesets = null;
if ((start == 0) && (limit < 0))
{
changesets = changesetList;
}
else
{
limit = limit + start;
if ((limit > changesetList.size()) || (limit < 0))
{
limit = changesetList.size();
}
List<Changeset> sublist = changesetList.subList(start, limit);
changesets = Lists.newArrayList(sublist);
}
result = new ChangesetPagingResult(changesetList.size(), changesets);
}
else
{
int start = -1;
int end = 0;
String startChangeset = request.getStartChangeset();
String endChangeset = request.getEndChangeset();
if (!Strings.isNullOrEmpty(startChangeset))
{
start = HgLogChangesetCommand.on(repository).rev(
startChangeset).singleRevision();
}
else if (!Strings.isNullOrEmpty(endChangeset))
{
end = HgLogChangesetCommand.on(repository).rev(
endChangeset).singleRevision();
}
if (start < 0)
{
start =
HgLogChangesetCommand.on(repository).rev("tip").singleRevision();
}
int total = start - end + 1;
if (request.getPagingStart() > 0)
{
start -= request.getPagingStart();
}
if (request.getPagingLimit() > 0)
{
end = start - request.getPagingLimit() + 1;
}
if ( end < 0 ){
end = 0;
}
List<Changeset> changesets = cmd.rev(start + ":" + end).execute();
result = new ChangesetPagingResult(total, changesets);
}
return new ChangesetPagingResult(changesetList.size(), changesets);
return result;
}
}

13
scm-plugins/scm-hg-plugin/src/main/java/sonia/scm/repository/spi/javahg/HgLogChangesetCommand.java
View File

@@ -191,6 +191,19 @@ public class HgLogChangesetCommand extends AbstractCommand
return Utils.single(execute(files));
}
/**
* Method description
*
*
* @param files
*
* @return
*/
public int singleRevision(String... files)
{
return Utils.single(loadRevisions(files));
}
//~--- get methods ----------------------------------------------------------
/**