@Override public <T> QueryRunner<T> getQueryRunner(Query<T> query) { if (appenderator == null) { // Not yet initialized, no data yet, just return a noop runner. return new NoopQueryRunner<>(); } return new QueryRunner<T>() { @Override public Sequence<T> run(final QueryPlus<T> queryPlus, final Map<String, Object> responseContext) { return queryPlus.run(appenderator, responseContext); } }; }
@Override public <T> QueryRunner<T> getQueryRunnerForIntervals(Query<T> query, Iterable<Interval> intervals) { final FireChief chief = chiefs.get(getDataSourceName(query)); return chief == null ? new NoopQueryRunner<T>() : chief.getQueryRunner(query); }
@Override public <T> QueryRunner<T> getQueryRunnerForSegments(Query<T> query, Iterable<SegmentDescriptor> specs) { final FireChief chief = chiefs.get(getDataSourceName(query)); return chief == null ? new NoopQueryRunner<T>() : chief.getQueryRunner(query); }
@Override public QueryRunner<T> apply(SegmentDescriptor spec) { final FireChief retVal = partitionChiefs.get(spec.getPartitionNumber()); return retVal == null ? new NoopQueryRunner<T>() : retVal.getQueryRunner(query.withQuerySegmentSpec(new SpecificSegmentSpec(spec))); } }
@Override public <T> QueryRunner<T> getQueryRunnerForIntervals(final Query<T> query, Iterable<Interval> intervals) { final QueryRunnerFactory<T, Query<T>> factory = conglomerate.findFactory(query); final Map<Integer, FireChief> partitionChiefs = chiefs.get(Iterables.getOnlyElement(query.getDataSource() .getNames())); return partitionChiefs == null ? new NoopQueryRunner<T>() : factory.getToolchest().mergeResults( factory.mergeRunners( MoreExecutors.sameThreadExecutor(), // Chaining query runners which wait on submitted chain query runners can make executor pools deadlock Iterables.transform( partitionChiefs.values(), new Function<FireChief, QueryRunner<T>>() { @Override public QueryRunner<T> apply(FireChief fireChief) { return fireChief.getQueryRunner(query); } } ) ) ); }
private <T> QueryRunner<T> getQueryRunnerImpl(Query<T> query) { QueryRunner<T> queryRunner = null; final String queryDataSource = Iterables.getOnlyElement(query.getDataSource().getNames()); for (final ThreadPoolTaskRunnerWorkItem taskRunnerWorkItem : ImmutableList.copyOf(runningItems)) { final Task task = taskRunnerWorkItem.getTask(); if (task.getDataSource().equals(queryDataSource)) { final QueryRunner<T> taskQueryRunner = task.getQueryRunner(query); if (taskQueryRunner != null) { if (queryRunner == null) { queryRunner = taskQueryRunner; } else { log.makeAlert("Found too many query runners for datasource") .addData("dataSource", queryDataSource) .emit(); } } } } return new SetAndVerifyContextQueryRunner( serverConfig, queryRunner == null ? new NoopQueryRunner<T>() : queryRunner ); }
@Override public <T> QueryRunner<T> getQueryRunnerForSegments(final Query<T> query, final Iterable<SegmentDescriptor> specs) { final QueryRunnerFactory<T, Query<T>> factory = conglomerate.findFactory(query); final Map<Integer, FireChief> partitionChiefs = chiefs.get(Iterables.getOnlyElement(query.getDataSource() .getNames())); return partitionChiefs == null ? new NoopQueryRunner<T>() : factory.getToolchest().mergeResults( factory.mergeRunners( MoreExecutors.sameThreadExecutor(), Iterables.transform( specs, new Function<SegmentDescriptor, QueryRunner<T>>() { @Override public QueryRunner<T> apply(SegmentDescriptor spec) { final FireChief retVal = partitionChiefs.get(spec.getPartitionNumber()); return retVal == null ? new NoopQueryRunner<T>() : retVal.getQueryRunner(query.withQuerySegmentSpec(new SpecificSegmentSpec(spec))); } } ) ) ); }
private <T> QueryRunner<T> getQueryRunnerImpl(Query<T> query) { QueryRunner<T> queryRunner = null; String queryDataSource; try { queryDataSource = ((TableDataSource)query.getDataSource()).getName(); } catch (ClassCastException e) { throw new IllegalArgumentException("Subqueries are not welcome here"); } for (final ThreadPoolTaskRunnerWorkItem taskRunnerWorkItem : ImmutableList.copyOf(runningItems)) { final Task task = taskRunnerWorkItem.getTask(); if (task.getDataSource().equals(queryDataSource)) { final QueryRunner<T> taskQueryRunner = task.getQueryRunner(query); if (taskQueryRunner != null) { if (queryRunner == null) { queryRunner = taskQueryRunner; } else { log.makeAlert("Found too many query runners for datasource") .addData("dataSource", queryDataSource) .emit(); } } } } return queryRunner == null ? new NoopQueryRunner<T>() : queryRunner; }
return new NoopQueryRunner<T>();
.addData("dataSource", query.getDataSource()) .emit(); return new NoopQueryRunner<T>(); return new NoopQueryRunner<T>();
return new NoopQueryRunner<T>();
.addData("dataSource", query.getDataSource()) .emit(); return new NoopQueryRunner<T>(); return new NoopQueryRunner<T>();
.addData("dataSource", query.getDataSource()) .emit(); return new NoopQueryRunner<>(); return new NoopQueryRunner<>();