Examples with LookupIntrospectHandler io.druid.query.lookup.LookupIntrospectHandler used on opensource projects

Example 1 with LookupIntrospectHandler

use of io.druid.query.lookup.LookupIntrospectHandler in project druid by druid-io.

the class CalciteTests method createOperatorTable.

public static DruidOperatorTable createOperatorTable() {
    try {
        final Injector injector = Guice.createInjector(new Module() {

            @Override
            public void configure(final Binder binder) {
                // This Module is just to get a LookupReferencesManager with a usable "lookyloo" lookup.
                final LookupReferencesManager mock = EasyMock.createMock(LookupReferencesManager.class);
                EasyMock.expect(mock.get(EasyMock.eq("lookyloo"))).andReturn(new LookupExtractorFactory() {

                    @Override
                    public boolean start() {
                        throw new UnsupportedOperationException();
                    }

                    @Override
                    public boolean close() {
                        throw new UnsupportedOperationException();
                    }

                    @Override
                    public boolean replaces(@Nullable final LookupExtractorFactory other) {
                        throw new UnsupportedOperationException();
                    }

                    @Nullable
                    @Override
                    public LookupIntrospectHandler getIntrospectHandler() {
                        throw new UnsupportedOperationException();
                    }

                    @Override
                    public LookupExtractor get() {
                        return new MapLookupExtractor(ImmutableMap.of("a", "xa", "abc", "xabc"), false);
                    }
                }).anyTimes();
                EasyMock.replay(mock);
                binder.bind(LookupReferencesManager.class).toInstance(mock);
            }
        });
        final Set<SqlAggregator> aggregators = new HashSet<>();
        final Set<SqlExtractionOperator> extractionOperators = new HashSet<>();
        for (Class<? extends SqlAggregator> clazz : SqlModule.DEFAULT_AGGREGATOR_CLASSES) {
            aggregators.add(injector.getInstance(clazz));
        }
        for (Class<? extends SqlExtractionOperator> clazz : SqlModule.DEFAULT_EXTRACTION_OPERATOR_CLASSES) {
            extractionOperators.add(injector.getInstance(clazz));
        }
        return new DruidOperatorTable(aggregators, extractionOperators);
    } catch (Exception e) {
        throw Throwables.propagate(e);
    }
}