Examples with MapSegmentWrangler org.apache.druid.segment.MapSegmentWrangler used on opensource projects

Example 1 with MapSegmentWrangler

use of org.apache.druid.segment.MapSegmentWrangler in project druid by druid-io.

the class ClientQuerySegmentWalkerTest method initWalker.

/**
 * Initialize (or reinitialize) our {@link #walker} and {@link #closer}.
 */
private void initWalker(final Map<String, String> serverProperties, QueryScheduler schedulerForTest) {
    final ObjectMapper jsonMapper = TestHelper.makeJsonMapper();
    final ServerConfig serverConfig = jsonMapper.convertValue(serverProperties, ServerConfig.class);
    final SegmentWrangler segmentWrangler = new MapSegmentWrangler(ImmutableMap.<Class<? extends DataSource>, SegmentWrangler>builder().put(InlineDataSource.class, new InlineSegmentWrangler()).build());
    final JoinableFactory globalFactory = new JoinableFactory() {

        @Override
        public boolean isDirectlyJoinable(DataSource dataSource) {
            return ((GlobalTableDataSource) dataSource).getName().equals(GLOBAL);
        }

        @Override
        public Optional<Joinable> build(DataSource dataSource, JoinConditionAnalysis condition) {
            return Optional.empty();
        }
    };
    final JoinableFactory joinableFactory = new MapJoinableFactory(ImmutableSet.of(globalFactory, new InlineJoinableFactory()), ImmutableMap.<Class<? extends JoinableFactory>, Class<? extends DataSource>>builder().put(InlineJoinableFactory.class, InlineDataSource.class).put(globalFactory.getClass(), GlobalTableDataSource.class).build());
    class CapturingWalker implements QuerySegmentWalker {

        private QuerySegmentWalker baseWalker;

        private ClusterOrLocal how;

        CapturingWalker(QuerySegmentWalker baseWalker, ClusterOrLocal how) {
            this.baseWalker = baseWalker;
            this.how = how;
        }

        @Override
        public <T> QueryRunner<T> getQueryRunnerForIntervals(Query<T> query, Iterable<Interval> intervals) {
            final QueryRunner<T> baseRunner = baseWalker.getQueryRunnerForIntervals(query, intervals);
            return (queryPlus, responseContext) -> {
                log.info("Query (%s): %s", how, queryPlus.getQuery());
                issuedQueries.add(new ExpectedQuery(queryPlus.getQuery(), how));
                return baseRunner.run(queryPlus, responseContext);
            };
        }

        @Override
        public <T> QueryRunner<T> getQueryRunnerForSegments(Query<T> query, Iterable<SegmentDescriptor> specs) {
            final QueryRunner<T> baseRunner = baseWalker.getQueryRunnerForSegments(query, specs);
            return (queryPlus, responseContext) -> {
                log.info("Query (%s): %s", how, queryPlus.getQuery());
                issuedQueries.add(new ExpectedQuery(queryPlus.getQuery(), how));
                return baseRunner.run(queryPlus, responseContext);
            };
        }
    }
    walker = QueryStackTests.createClientQuerySegmentWalker(new CapturingWalker(QueryStackTests.createClusterQuerySegmentWalker(ImmutableMap.<String, VersionedIntervalTimeline<String, ReferenceCountingSegment>>builder().put(FOO, makeTimeline(FOO, FOO_INLINE)).put(BAR, makeTimeline(BAR, BAR_INLINE)).put(MULTI, makeTimeline(MULTI, MULTI_VALUE_INLINE)).put(GLOBAL, makeTimeline(GLOBAL, FOO_INLINE)).put(ARRAY, makeTimeline(ARRAY, ARRAY_INLINE)).put(ARRAY_UNKNOWN, makeTimeline(ARRAY_UNKNOWN, ARRAY_INLINE_UNKNOWN)).build(), joinableFactory, conglomerate, schedulerForTest), ClusterOrLocal.CLUSTER), new CapturingWalker(QueryStackTests.createLocalQuerySegmentWalker(conglomerate, segmentWrangler, joinableFactory, schedulerForTest), ClusterOrLocal.LOCAL), conglomerate, joinableFactory, serverConfig);
}