Examples with StreamExpression org.apache.solr.client.solrj.io.stream.expr.StreamExpression used on opensource projects

Example 61 with StreamExpression

use of org.apache.solr.client.solrj.io.stream.expr.StreamExpression in project lucene-solr by apache.

the class TimeSeriesStream method toExpression.

@Override
public StreamExpressionParameter toExpression(StreamFactory factory) throws IOException {
    // function name
    StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
    // collection
    expression.addParameter(collection);
    // parameters
    ModifiableSolrParams tmpParams = new ModifiableSolrParams(params);
    for (Entry<String, String[]> param : tmpParams.getMap().entrySet()) {
        expression.addParameter(new StreamExpressionNamedParameter(param.getKey(), String.join(",", param.getValue())));
    }
    // metrics
    for (Metric metric : metrics) {
        expression.addParameter(metric.toExpression(factory));
    }
    expression.addParameter(new StreamExpressionNamedParameter("start", start));
    expression.addParameter(new StreamExpressionNamedParameter("end", end));
    expression.addParameter(new StreamExpressionNamedParameter("gap", gap));
    expression.addParameter(new StreamExpressionNamedParameter("field", gap));
    expression.addParameter(new StreamExpressionNamedParameter("format", format));
    // zkHost
    expression.addParameter(new StreamExpressionNamedParameter("zkHost", zkHost));
    return expression;
}

Example 62 with StreamExpression

use of org.apache.solr.client.solrj.io.stream.expr.StreamExpression in project lucene-solr by apache.

the class StreamExpressionTest 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);
    StreamExpression expression;
    TupleStream stream;
    List<Tuple> tuples;
    Tuple t0, t1, t2;
    List<Map> maps0, maps1, maps2;
    StreamContext streamContext = new StreamContext();
    SolrClientCache solrClientCache = new SolrClientCache();
    streamContext.setSolrClientCache(solrClientCache);
    StreamFactory factory = new StreamFactory().withCollectionZkHost(COLLECTIONORALIAS, cluster.getZkServer().getZkAddress()).withFunctionName("search", CloudSolrStream.class).withFunctionName("reduce", ReducerStream.class).withFunctionName("group", GroupOperation.class);
    try {
        // basic
        expression = StreamExpressionParser.parse("reduce(" + "search(" + COLLECTIONORALIAS + ", q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_s asc, a_f asc\")," + "by=\"a_s\"," + "group(sort=\"a_f desc\", n=\"4\"))");
        stream = factory.constructStream(expression);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 3);
        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);
        // basic w/spaces
        expression = StreamExpressionParser.parse("reduce(" + "search(" + COLLECTIONORALIAS + ", q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_s asc, a_f       asc\")," + "by=\"a_s\"," + "group(sort=\"a_i asc\", n=\"2\"))");
        stream = factory.constructStream(expression);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 3);
        t0 = tuples.get(0);
        maps0 = t0.getMaps("group");
        assert (maps0.size() == 2);
        assertMaps(maps0, 0, 1);
        t1 = tuples.get(1);
        maps1 = t1.getMaps("group");
        assertMaps(maps1, 3, 5);
        t2 = tuples.get(2);
        maps2 = t2.getMaps("group");
        assertMaps(maps2, 4, 6);
    } finally {
        solrClientCache.close();
    }
}

Example 63 with StreamExpression

use of org.apache.solr.client.solrj.io.stream.expr.StreamExpression in project lucene-solr by apache.

the class StreamExpressionTest method testParallelPriorityStream.

@Test
public void testParallelPriorityStream() throws Exception {
    Assume.assumeTrue(!useAlias);
    new UpdateRequest().add(id, "0", "a_s", "hello1", "a_i", "0", "a_f", "1").add(id, "2", "a_s", "hello1", "a_i", "2", "a_f", "2").add(id, "3", "a_s", "hello1", "a_i", "3", "a_f", "3").add(id, "4", "a_s", "hello1", "a_i", "4", "a_f", "4").add(id, "1", "a_s", "hello1", "a_i", "1", "a_f", "5").add(id, "5", "a_s", "hello", "a_i", "10", "a_f", "6").add(id, "6", "a_s", "hello", "a_i", "11", "a_f", "7").add(id, "7", "a_s", "hello", "a_i", "12", "a_f", "8").add(id, "8", "a_s", "hello", "a_i", "13", "a_f", "9").add(id, "9", "a_s", "hello1", "a_i", "14", "a_f", "10").commit(cluster.getSolrClient(), COLLECTIONORALIAS);
    StreamFactory factory = new StreamFactory().withCollectionZkHost("collection1", cluster.getZkServer().getZkAddress()).withFunctionName("topic", TopicStream.class).withFunctionName("parallel", ParallelStream.class).withFunctionName("priority", PriorityStream.class);
    StreamExpression expression;
    TupleStream stream;
    List<Tuple> tuples;
    SolrClientCache cache = new SolrClientCache();
    try {
        FieldComparator comp = new FieldComparator("a_i", ComparatorOrder.ASCENDING);
        expression = StreamExpressionParser.parse("parallel(collection1, workers=2, sort=\"_version_ asc\", priority(topic(collection1, collection1, q=\"a_s:hello\", fl=\"id,a_i\", id=1000000, initialCheckpoint=0, partitionKeys=id)," + "topic(collection1, collection1, q=\"a_s:hello1\", fl=\"id,a_i\", id=2000000, initialCheckpoint=0, partitionKeys=id)))");
        stream = factory.constructStream(expression);
        StreamContext context = new StreamContext();
        context.setSolrClientCache(cache);
        stream.setStreamContext(context);
        tuples = getTuples(stream);
        Collections.sort(tuples, comp);
        //The tuples from the first topic (high priority) should be returned.
        assertEquals(tuples.size(), 4);
        assertOrder(tuples, 5, 6, 7, 8);
        expression = StreamExpressionParser.parse("parallel(collection1, workers=2, sort=\"_version_ asc\", priority(topic(collection1, collection1, q=\"a_s:hello\", fl=\"id,a_i\", id=1000000, initialCheckpoint=0, partitionKeys=id)," + "topic(collection1, collection1, q=\"a_s:hello1\", fl=\"id,a_i\", id=2000000, initialCheckpoint=0, partitionKeys=id)))");
        stream = factory.constructStream(expression);
        context = new StreamContext();
        context.setSolrClientCache(cache);
        stream.setStreamContext(context);
        tuples = getTuples(stream);
        Collections.sort(tuples, comp);
        //The Tuples from the second topic (Low priority) should be returned.
        assertEquals(tuples.size(), 6);
        assertOrder(tuples, 0, 1, 2, 3, 4, 9);
        expression = StreamExpressionParser.parse("parallel(collection1, workers=2, sort=\"_version_ asc\", priority(topic(collection1, collection1, q=\"a_s:hello\", fl=\"id,a_i\", id=1000000, initialCheckpoint=0, partitionKeys=id)," + "topic(collection1, collection1, q=\"a_s:hello1\", fl=\"id,a_i\", id=2000000, initialCheckpoint=0, partitionKeys=id)))");
        stream = factory.constructStream(expression);
        context = new StreamContext();
        context.setSolrClientCache(cache);
        stream.setStreamContext(context);
        tuples = getTuples(stream);
        //Both queus are empty.
        assertEquals(tuples.size(), 0);
    } finally {
        cache.close();
    }
}

Example 64 with StreamExpression

use of org.apache.solr.client.solrj.io.stream.expr.StreamExpression in project lucene-solr by apache.

the class StreamExpressionTest method testMergeStream.

@Test
public void testMergeStream() 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").commit(cluster.getSolrClient(), COLLECTIONORALIAS);
    StreamExpression expression;
    TupleStream stream;
    List<Tuple> tuples;
    StreamFactory factory = new StreamFactory().withCollectionZkHost(COLLECTIONORALIAS, cluster.getZkServer().getZkAddress()).withFunctionName("search", CloudSolrStream.class).withFunctionName("unique", UniqueStream.class).withFunctionName("merge", MergeStream.class);
    // Basic test
    expression = StreamExpressionParser.parse("merge(" + "search(" + COLLECTIONORALIAS + ", q=\"id:(0 3 4)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"id:(1)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc\")," + "on=\"a_f asc\")");
    stream = new MergeStream(expression, factory);
    StreamContext streamContext = new StreamContext();
    SolrClientCache solrClientCache = new SolrClientCache();
    streamContext.setSolrClientCache(solrClientCache);
    try {
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 4);
        assertOrder(tuples, 0, 1, 3, 4);
        // Basic test desc
        expression = StreamExpressionParser.parse("merge(" + "search(" + COLLECTIONORALIAS + ", q=\"id:(0 3 4)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f desc\")," + "search(" + COLLECTIONORALIAS + ", q=\"id:(1)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f desc\")," + "on=\"a_f desc\")");
        stream = new MergeStream(expression, factory);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 4);
        assertOrder(tuples, 4, 3, 1, 0);
        // Basic w/multi comp
        expression = StreamExpressionParser.parse("merge(" + "search(" + COLLECTIONORALIAS + ", q=\"id:(0 3 4)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"id:(1 2)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\")," + "on=\"a_f asc, a_s asc\")");
        stream = new MergeStream(expression, factory);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 5);
        assertOrder(tuples, 0, 2, 1, 3, 4);
        // full factory w/multi comp
        stream = factory.constructStream("merge(" + "search(" + COLLECTIONORALIAS + ", q=\"id:(0 3 4)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"id:(1 2)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\")," + "on=\"a_f asc, a_s asc\")");
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 5);
        assertOrder(tuples, 0, 2, 1, 3, 4);
        // full factory w/multi streams
        stream = factory.constructStream("merge(" + "search(" + COLLECTIONORALIAS + ", q=\"id:(0 4)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"id:(1)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"id:(2)\", fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc, a_s asc\")," + "on=\"a_f asc\")");
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 4);
        assertOrder(tuples, 0, 2, 1, 4);
    } finally {
        solrClientCache.close();
    }
}

Example 65 with StreamExpression

use of org.apache.solr.client.solrj.io.stream.expr.StreamExpression in project lucene-solr by apache.

the class StreamExpressionTest method testLeftOuterJoinStream.

@Test
public void testLeftOuterJoinStream() throws Exception {
    new UpdateRequest().add(id, "1", "side_s", "left", "join1_i", "0", "join2_s", "a", "ident_s", // 8, 9
    "left_1").add(id, "15", "side_s", "left", "join1_i", "0", "join2_s", "a", "ident_s", // 8, 9
    "left_1").add(id, "2", "side_s", "left", "join1_i", "0", "join2_s", "b", "ident_s", "left_2").add(id, "3", "side_s", "left", "join1_i", "1", "join2_s", "a", "ident_s", // 10
    "left_3").add(id, "4", "side_s", "left", "join1_i", "1", "join2_s", "b", "ident_s", // 11
    "left_4").add(id, "5", "side_s", "left", "join1_i", "1", "join2_s", "c", "ident_s", // 12
    "left_5").add(id, "6", "side_s", "left", "join1_i", "2", "join2_s", "d", "ident_s", "left_6").add(id, "7", "side_s", "left", "join1_i", "3", "join2_s", "e", "ident_s", // 14
    "left_7").add(id, "8", "side_s", "right", "join1_i", "0", "join2_s", "a", "ident_s", "right_1", "join3_i", // 1,15
    "0").add(id, "9", "side_s", "right", "join1_i", "0", "join2_s", "a", "ident_s", "right_2", "join3_i", // 1,15
    "0").add(id, "10", "side_s", "right", "join1_i", "1", "join2_s", "a", "ident_s", "right_3", "join3_i", // 3
    "1").add(id, "11", "side_s", "right", "join1_i", "1", "join2_s", "b", "ident_s", "right_4", "join3_i", // 4
    "1").add(id, "12", "side_s", "right", "join1_i", "1", "join2_s", "c", "ident_s", "right_5", "join3_i", // 5
    "1").add(id, "13", "side_s", "right", "join1_i", "2", "join2_s", "dad", "ident_s", "right_6", "join3_i", "2").add(id, "14", "side_s", "right", "join1_i", "3", "join2_s", "e", "ident_s", "right_7", "join3_i", // 7
    "3").commit(cluster.getSolrClient(), COLLECTIONORALIAS);
    StreamExpression expression;
    TupleStream stream;
    List<Tuple> tuples;
    StreamContext streamContext = new StreamContext();
    SolrClientCache solrClientCache = new SolrClientCache();
    streamContext.setSolrClientCache(solrClientCache);
    StreamFactory factory = new StreamFactory().withCollectionZkHost(COLLECTIONORALIAS, cluster.getZkServer().getZkAddress()).withFunctionName("search", CloudSolrStream.class).withFunctionName("leftOuterJoin", LeftOuterJoinStream.class);
    // Basic test
    try {
        expression = StreamExpressionParser.parse("leftOuterJoin(" + "search(" + COLLECTIONORALIAS + ", q=\"side_s:left\", fl=\"id,join1_i,join2_s,ident_s\", sort=\"join1_i asc, join2_s asc, id asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"side_s:right\", fl=\"join1_i,join2_s,ident_s\", sort=\"join1_i asc, join2_s asc\")," + "on=\"join1_i=join1_i, join2_s=join2_s\")");
        stream = new LeftOuterJoinStream(expression, factory);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 10);
        assertOrder(tuples, 1, 1, 15, 15, 2, 3, 4, 5, 6, 7);
        // Basic desc
        expression = StreamExpressionParser.parse("leftOuterJoin(" + "search(" + COLLECTIONORALIAS + ", q=\"side_s:left\", fl=\"id,join1_i,join2_s,ident_s\", sort=\"join1_i desc, join2_s asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"side_s:right\", fl=\"join1_i,join2_s,ident_s\", sort=\"join1_i desc, join2_s asc\")," + "on=\"join1_i=join1_i, join2_s=join2_s\")");
        stream = new LeftOuterJoinStream(expression, factory);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 10);
        assertOrder(tuples, 7, 6, 3, 4, 5, 1, 1, 15, 15, 2);
        // Results in both searches, no join matches
        expression = StreamExpressionParser.parse("leftOuterJoin(" + "search(" + COLLECTIONORALIAS + ", q=\"side_s:left\", fl=\"id,join1_i,join2_s,ident_s\", sort=\"ident_s asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"side_s:right\", fl=\"id,join1_i,join2_s,ident_s\", sort=\"ident_s asc\", aliases=\"id=right.id, join1_i=right.join1_i, join2_s=right.join2_s, ident_s=right.ident_s\")," + "on=\"ident_s=right.ident_s\")");
        stream = new LeftOuterJoinStream(expression, factory);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 8);
        assertOrder(tuples, 1, 15, 2, 3, 4, 5, 6, 7);
        // Differing field names
        expression = StreamExpressionParser.parse("leftOuterJoin(" + "search(" + COLLECTIONORALIAS + ", q=\"side_s:left\", fl=\"id,join1_i,join2_s,ident_s\", sort=\"join1_i asc, join2_s asc, id asc\")," + "search(" + COLLECTIONORALIAS + ", q=\"side_s:right\", fl=\"join3_i,join2_s,ident_s\", sort=\"join3_i asc, join2_s asc\", aliases=\"join3_i=aliasesField\")," + "on=\"join1_i=aliasesField, join2_s=join2_s\")");
        stream = new LeftOuterJoinStream(expression, factory);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assert (tuples.size() == 10);
        assertOrder(tuples, 1, 1, 15, 15, 2, 3, 4, 5, 6, 7);
    } finally {
        solrClientCache.close();
    }
}