Examples with FieldEqualitor org.apache.solr.client.solrj.io.eq.FieldEqualitor used on opensource projects

Example 1 with FieldEqualitor

use of org.apache.solr.client.solrj.io.eq.FieldEqualitor in project lucene-solr by apache.

the class BiJoinStream method createIterationComparator.

private StreamComparator createIterationComparator(StreamEqualitor eq, StreamComparator comp) throws IOException {
    if (eq instanceof MultipleFieldEqualitor && comp instanceof MultipleFieldComparator) {
        // we know the comp is at least as long as the eq because we've already validated the tuple order
        StreamComparator[] compoundComps = new StreamComparator[((MultipleFieldEqualitor) eq).getEqs().length];
        for (int idx = 0; idx < compoundComps.length; ++idx) {
            StreamEqualitor sourceEqualitor = ((MultipleFieldEqualitor) eq).getEqs()[idx];
            StreamComparator sourceComparator = ((MultipleFieldComparator) comp).getComps()[idx];
            if (sourceEqualitor instanceof FieldEqualitor && sourceComparator instanceof FieldComparator) {
                FieldEqualitor fieldEqualitor = (FieldEqualitor) sourceEqualitor;
                FieldComparator fieldComparator = (FieldComparator) sourceComparator;
                compoundComps[idx] = new FieldComparator(fieldEqualitor.getLeftFieldName(), fieldEqualitor.getRightFieldName(), fieldComparator.getOrder());
            } else {
                throw new IOException("Failed to create an iteration comparator");
            }
        }
        return new MultipleFieldComparator(compoundComps);
    } else if (comp instanceof MultipleFieldComparator) {
        StreamEqualitor sourceEqualitor = eq;
        StreamComparator sourceComparator = ((MultipleFieldComparator) comp).getComps()[0];
        if (sourceEqualitor instanceof FieldEqualitor && sourceComparator instanceof FieldComparator) {
            FieldEqualitor fieldEqualitor = (FieldEqualitor) sourceEqualitor;
            FieldComparator fieldComparator = (FieldComparator) sourceComparator;
            return new FieldComparator(fieldEqualitor.getLeftFieldName(), fieldEqualitor.getRightFieldName(), fieldComparator.getOrder());
        } else {
            throw new IOException("Failed to create an iteration comparator");
        }
    } else {
        StreamEqualitor sourceEqualitor = eq;
        StreamComparator sourceComparator = comp;
        if (sourceEqualitor instanceof FieldEqualitor && sourceComparator instanceof FieldComparator) {
            FieldEqualitor fieldEqualitor = (FieldEqualitor) sourceEqualitor;
            FieldComparator fieldComparator = (FieldComparator) sourceComparator;
            return new FieldComparator(fieldEqualitor.getLeftFieldName(), fieldEqualitor.getRightFieldName(), fieldComparator.getOrder());
        } else {
            throw new IOException("Failed to create an iteration comparator");
        }
    }
}

Example 2 with FieldEqualitor

use of org.apache.solr.client.solrj.io.eq.FieldEqualitor in project lucene-solr by apache.

the class StreamingTest method testParallelUniqueStream.

@Test
public void testParallelUniqueStream() throws Exception {
    new UpdateRequest().add(id, "0", "a_s", "hello0", "a_i", "0", "a_f", "0").add(id, "2", "a_s", "hello2", "a_i", "2", "a_f", "0").add(id, "3", "a_s", "hello3", "a_i", "3", "a_f", "3").add(id, "4", "a_s", "hello4", "a_i", "4", "a_f", "4").add(id, "1", "a_s", "hello1", "a_i", "1", "a_f", "1").add(id, "5", "a_s", "hello1", "a_i", "10", "a_f", "1").add(id, "6", "a_s", "hello1", "a_i", "11", "a_f", "5").add(id, "7", "a_s", "hello1", "a_i", "12", "a_f", "5").add(id, "8", "a_s", "hello1", "a_i", "13", "a_f", "4").commit(cluster.getSolrClient(), COLLECTIONORALIAS);
    StreamContext streamContext = new StreamContext();
    SolrClientCache solrClientCache = new SolrClientCache();
    streamContext.setSolrClientCache(solrClientCache);
    try {
        SolrParams sParams = mapParams("q", "*:*", "fl", "id,a_s,a_i,a_f", "sort", "a_f asc,a_i asc", "partitionKeys", "a_f");
        CloudSolrStream stream = new CloudSolrStream(zkHost, COLLECTIONORALIAS, sParams);
        UniqueStream ustream = new UniqueStream(stream, new FieldEqualitor("a_f"));
        ParallelStream pstream = parallelStream(ustream, new FieldComparator("a_f", ComparatorOrder.ASCENDING));
        attachStreamFactory(pstream);
        pstream.setStreamContext(streamContext);
        List<Tuple> tuples = getTuples(pstream);
        assertEquals(5, tuples.size());
        assertOrder(tuples, 0, 1, 3, 4, 6);
        //Test the eofTuples
        Map<String, Tuple> eofTuples = pstream.getEofTuples();
        //There should be an EOF tuple for each worker.
        assertEquals(numWorkers, eofTuples.size());
    } finally {
        solrClientCache.close();
    }
}

Example 3 with FieldEqualitor

use of org.apache.solr.client.solrj.io.eq.FieldEqualitor in project lucene-solr by apache.

the class StreamingTest method testReducerStream.

@Test
public void testReducerStream() throws Exception {
    new UpdateRequest().add(id, "0", "a_s", "hello0", "a_i", "0", "a_f", "1").add(id, "2", "a_s", "hello0", "a_i", "2", "a_f", "2").add(id, "3", "a_s", "hello3", "a_i", "3", "a_f", "3").add(id, "4", "a_s", "hello4", "a_i", "4", "a_f", "4").add(id, "1", "a_s", "hello0", "a_i", "1", "a_f", "5").add(id, "5", "a_s", "hello3", "a_i", "10", "a_f", "6").add(id, "6", "a_s", "hello4", "a_i", "11", "a_f", "7").add(id, "7", "a_s", "hello3", "a_i", "12", "a_f", "8").add(id, "8", "a_s", "hello3", "a_i", "13", "a_f", "9").add(id, "9", "a_s", "hello0", "a_i", "14", "a_f", "10").commit(cluster.getSolrClient(), COLLECTIONORALIAS);
    StreamContext streamContext = new StreamContext();
    SolrClientCache solrClientCache = new SolrClientCache();
    streamContext.setSolrClientCache(solrClientCache);
    try {
        //Test with spaces in the parameter lists.
        SolrParams sParamsA = mapParams("q", "*:*", "fl", "id,a_s, a_i,  a_f", "sort", "a_s asc  ,  a_f   asc");
        CloudSolrStream stream = new CloudSolrStream(zkHost, COLLECTIONORALIAS, sParamsA);
        ReducerStream rstream = new ReducerStream(stream, new FieldEqualitor("a_s"), new GroupOperation(new FieldComparator("a_f", ComparatorOrder.ASCENDING), 5));
        rstream.setStreamContext(streamContext);
        List<Tuple> tuples = getTuples(rstream);
        assertEquals(3, tuples.size());
        Tuple t0 = tuples.get(0);
        List<Map> maps0 = t0.getMaps("group");
        assertMaps(maps0, 0, 2, 1, 9);
        Tuple t1 = tuples.get(1);
        List<Map> maps1 = t1.getMaps("group");
        assertMaps(maps1, 3, 5, 7, 8);
        Tuple t2 = tuples.get(2);
        List<Map> maps2 = t2.getMaps("group");
        assertMaps(maps2, 4, 6);
        //Test with spaces in the parameter lists using a comparator
        sParamsA = mapParams("q", "*:*", "fl", "id,a_s, a_i,  a_f", "sort", "a_s asc  ,  a_f   asc");
        stream = new CloudSolrStream(zkHost, COLLECTIONORALIAS, sParamsA);
        rstream = new ReducerStream(stream, new FieldComparator("a_s", ComparatorOrder.ASCENDING), new GroupOperation(new FieldComparator("a_f", ComparatorOrder.DESCENDING), 5));
        rstream.setStreamContext(streamContext);
        tuples = getTuples(rstream);
        assertEquals(3, tuples.size());
        t0 = tuples.get(0);
        maps0 = t0.getMaps("group");
        assertMaps(maps0, 9, 1, 2, 0);
        t1 = tuples.get(1);
        maps1 = t1.getMaps("group");
        assertMaps(maps1, 8, 7, 5, 3);
        t2 = tuples.get(2);
        maps2 = t2.getMaps("group");
        assertMaps(maps2, 6, 4);
    } finally {
        solrClientCache.close();
    }
}

Example 4 with FieldEqualitor

use of org.apache.solr.client.solrj.io.eq.FieldEqualitor in project lucene-solr by apache.

the class StreamingTest method testUniqueStream.

@Test
public void testUniqueStream() throws Exception {
    //Test CloudSolrStream and UniqueStream
    new UpdateRequest().add(id, "0", "a_s", "hello0", "a_i", "0", "a_f", "0").add(id, "2", "a_s", "hello2", "a_i", "2", "a_f", "0").add(id, "3", "a_s", "hello3", "a_i", "3", "a_f", "3").add(id, "4", "a_s", "hello4", "a_i", "4", "a_f", "4").add(id, "1", "a_s", "hello1", "a_i", "1", "a_f", "1").commit(cluster.getSolrClient(), COLLECTIONORALIAS);
    StreamContext streamContext = new StreamContext();
    SolrClientCache solrClientCache = new SolrClientCache();
    streamContext.setSolrClientCache(solrClientCache);
    try {
        SolrParams sParams = StreamingTest.mapParams("q", "*:*", "fl", "id,a_s,a_i,a_f", "sort", "a_f asc,a_i asc");
        CloudSolrStream stream = new CloudSolrStream(zkHost, COLLECTIONORALIAS, sParams);
        UniqueStream ustream = new UniqueStream(stream, new FieldEqualitor("a_f"));
        ustream.setStreamContext(streamContext);
        List<Tuple> tuples = getTuples(ustream);
        assertEquals(4, tuples.size());
        assertOrder(tuples, 0, 1, 3, 4);
    } finally {
        solrClientCache.close();
    }
}

Example 5 with FieldEqualitor

use of org.apache.solr.client.solrj.io.eq.FieldEqualitor in project lucene-solr by apache.

the class SolrTable method handleSelectDistinctMapReduce.

private TupleStream handleSelectDistinctMapReduce(final String zkHost, final String collection, final Properties properties, final List<Map.Entry<String, Class>> fields, final String query, final List<Pair<String, String>> orders, final Bucket[] buckets, final String limit) throws IOException {
    int numWorkers = Integer.parseInt(properties.getProperty("numWorkers", "1"));
    String fl = getFields(fields);
    String sort = null;
    StreamEqualitor ecomp = null;
    StreamComparator comp = null;
    if (orders != null && orders.size() > 0) {
        StreamComparator[] adjustedSorts = adjustSorts(orders, buckets);
        // Because of the way adjustSorts works we know that each FieldComparator has a single
        // field name. For this reason we can just look at the leftFieldName
        FieldEqualitor[] fieldEqualitors = new FieldEqualitor[adjustedSorts.length];
        StringBuilder buf = new StringBuilder();
        for (int i = 0; i < adjustedSorts.length; i++) {
            FieldComparator fieldComparator = (FieldComparator) adjustedSorts[i];
            fieldEqualitors[i] = new FieldEqualitor(fieldComparator.getLeftFieldName());
            if (i > 0) {
                buf.append(",");
            }
            buf.append(fieldComparator.getLeftFieldName()).append(" ").append(fieldComparator.getOrder().toString());
        }
        sort = buf.toString();
        if (adjustedSorts.length == 1) {
            ecomp = fieldEqualitors[0];
            comp = adjustedSorts[0];
        } else {
            ecomp = new MultipleFieldEqualitor(fieldEqualitors);
            comp = new MultipleFieldComparator(adjustedSorts);
        }
    } else {
        StringBuilder sortBuf = new StringBuilder();
        FieldEqualitor[] equalitors = new FieldEqualitor[buckets.length];
        StreamComparator[] streamComparators = new StreamComparator[buckets.length];
        for (int i = 0; i < buckets.length; i++) {
            equalitors[i] = new FieldEqualitor(buckets[i].toString());
            streamComparators[i] = new FieldComparator(buckets[i].toString(), ComparatorOrder.ASCENDING);
            if (i > 0) {
                sortBuf.append(',');
            }
            sortBuf.append(buckets[i].toString()).append(" asc");
        }
        sort = sortBuf.toString();
        if (equalitors.length == 1) {
            ecomp = equalitors[0];
            comp = streamComparators[0];
        } else {
            ecomp = new MultipleFieldEqualitor(equalitors);
            comp = new MultipleFieldComparator(streamComparators);
        }
    }
    ModifiableSolrParams params = new ModifiableSolrParams();
    params.set(CommonParams.FL, fl);
    params.set(CommonParams.Q, query);
    params.set(CommonParams.WT, CommonParams.JAVABIN);
    //Always use the /export handler for Distinct Queries because it requires exporting full result sets.
    params.set(CommonParams.QT, "/export");
    if (numWorkers > 1) {
        params.set("partitionKeys", getPartitionKeys(buckets));
    }
    params.set(SORT, sort);
    TupleStream tupleStream = null;
    CloudSolrStream cstream = new CloudSolrStream(zkHost, collection, params);
    tupleStream = new UniqueStream(cstream, ecomp);
    if (numWorkers > 1) {
        // Do the unique in parallel
        // Maintain the sort of the Tuples coming from the workers.
        ParallelStream parallelStream = new ParallelStream(zkHost, collection, tupleStream, numWorkers, comp);
        StreamFactory factory = new StreamFactory().withFunctionName("search", CloudSolrStream.class).withFunctionName("parallel", ParallelStream.class).withFunctionName("unique", UniqueStream.class);
        parallelStream.setStreamFactory(factory);
        tupleStream = parallelStream;
    }
    if (limit != null) {
        tupleStream = new LimitStream(tupleStream, Integer.parseInt(limit));
    }
    return tupleStream;
}