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

Example 11 with StreamExpression

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

the class ModelStream method toExpression.

private StreamExpression toExpression(StreamFactory factory, boolean includeStreams) throws IOException {
    // function name
    StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
    // collection
    expression.addParameter(collection);
    // zkHost
    expression.addParameter(new StreamExpressionNamedParameter("zkHost", zkHost));
    expression.addParameter(new StreamExpressionNamedParameter(ID, modelID));
    expression.addParameter(new StreamExpressionNamedParameter("cacheMillis", Long.toString(cacheMillis)));
    return expression;
}

Example 12 with StreamExpression

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

the class OuterHashJoinStream method toExpression.

@Override
public StreamExpression toExpression(StreamFactory factory) throws IOException {
    // function name
    StreamExpression expression = new StreamExpression(factory.getFunctionName(this.getClass()));
    // streams
    if (hashStream instanceof Expressible && fullStream instanceof Expressible) {
        expression.addParameter(((Expressible) fullStream).toExpression(factory));
        expression.addParameter(new StreamExpressionNamedParameter("hashed", ((Expressible) hashStream).toExpression(factory)));
    } else {
        throw new IOException("This OuterHashJoinStream contains a non-expressible TupleStream - it cannot be converted to an expression");
    }
    // on
    StringBuilder sb = new StringBuilder();
    for (int idx = 0; idx < leftHashOn.size(); ++idx) {
        if (sb.length() > 0) {
            sb.append(",");
        }
        // we know that left and right hashOns are the same size
        String left = leftHashOn.get(idx);
        String right = rightHashOn.get(idx);
        if (left.equals(right)) {
            sb.append(left);
        } else {
            sb.append(left);
            sb.append("=");
            sb.append(right);
        }
    }
    expression.addParameter(new StreamExpressionNamedParameter("on", sb.toString()));
    return expression;
}

Example 13 with StreamExpression

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

the class StreamExpressionTest method testTerminatingDaemonStream.

@Test
public void testTerminatingDaemonStream() throws Exception {
    Assume.assumeTrue(!useAlias);
    new UpdateRequest().add(id, "0", "a_s", "hello", "a_i", "0", "a_f", "1").add(id, "2", "a_s", "hello", "a_i", "2", "a_f", "2").add(id, "3", "a_s", "hello", "a_i", "3", "a_f", "3").add(id, "4", "a_s", "hello", "a_i", "4", "a_f", "4").add(id, "1", "a_s", "hello", "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", "hello", "a_i", "14", "a_f", "10").commit(cluster.getSolrClient(), COLLECTIONORALIAS);
    StreamFactory factory = new StreamFactory().withCollectionZkHost(COLLECTIONORALIAS, cluster.getZkServer().getZkAddress()).withFunctionName("topic", TopicStream.class).withFunctionName("daemon", DaemonStream.class);
    StreamExpression expression;
    DaemonStream daemonStream;
    SolrClientCache cache = new SolrClientCache();
    StreamContext context = new StreamContext();
    context.setSolrClientCache(cache);
    expression = StreamExpressionParser.parse("daemon(topic(" + COLLECTIONORALIAS + "," + COLLECTIONORALIAS + ", q=\"a_s:hello\", initialCheckpoint=0, id=\"topic1\", rows=2, fl=\"id\"" + "), id=test, runInterval=1000, terminate=true, queueSize=50)");
    daemonStream = (DaemonStream) factory.constructStream(expression);
    daemonStream.setStreamContext(context);
    List<Tuple> tuples = getTuples(daemonStream);
    assertTrue(tuples.size() == 10);
    cache.close();
}

Example 14 with StreamExpression

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

the class StreamExpressionTest method testParallelNullStream.

@Test
public void testParallelNullStream() 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", "1", "a_f", "2").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("null", NullStream.class).withFunctionName("parallel", ParallelStream.class);
    try {
        // Basic test
        stream = factory.constructStream("parallel(" + COLLECTIONORALIAS + ", workers=2, sort=\"nullCount desc\", null(search(" + COLLECTIONORALIAS + ", q=*:*, fl=\"id,a_s,a_i,a_f\", sort=\"a_f asc\", partitionKeys=id), by=\"a_i asc\"))");
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assertTrue(tuples.size() == 2);
        long nullCount = 0;
        for (Tuple t : tuples) {
            nullCount += t.getLong("nullCount");
        }
        assertEquals(nullCount, 6L);
    } finally {
        solrClientCache.close();
    }
}

Example 15 with StreamExpression

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

the class StreamExpressionTest method testParallelDaemonCommitStream.

@Test
public void testParallelDaemonCommitStream() throws Exception {
    CollectionAdminRequest.createCollection("parallelDestinationCollection1", "conf", 2, 1).process(cluster.getSolrClient());
    AbstractDistribZkTestBase.waitForRecoveriesToFinish("parallelDestinationCollection1", cluster.getSolrClient().getZkStateReader(), false, true, TIMEOUT);
    new UpdateRequest().add(id, "0", "a_s", "hello0", "a_i", "0", "a_f", "0", "s_multi", "aaaa", "s_multi", "bbbb", "i_multi", "4", "i_multi", "7").add(id, "2", "a_s", "hello2", "a_i", "2", "a_f", "0", "s_multi", "aaaa1", "s_multi", "bbbb1", "i_multi", "44", "i_multi", "77").add(id, "3", "a_s", "hello3", "a_i", "3", "a_f", "3", "s_multi", "aaaa2", "s_multi", "bbbb2", "i_multi", "444", "i_multi", "777").add(id, "4", "a_s", "hello4", "a_i", "4", "a_f", "4", "s_multi", "aaaa3", "s_multi", "bbbb3", "i_multi", "4444", "i_multi", "7777").add(id, "1", "a_s", "hello1", "a_i", "1", "a_f", "1", "s_multi", "aaaa4", "s_multi", "bbbb4", "i_multi", "44444", "i_multi", "77777").commit(cluster.getSolrClient(), "collection1");
    StreamExpression expression;
    TupleStream stream;
    Tuple t;
    StreamContext streamContext = new StreamContext();
    SolrClientCache solrClientCache = new SolrClientCache();
    streamContext.setSolrClientCache(solrClientCache);
    String zkHost = cluster.getZkServer().getZkAddress();
    StreamFactory factory = new StreamFactory().withCollectionZkHost("collection1", cluster.getZkServer().getZkAddress()).withCollectionZkHost("parallelDestinationCollection1", cluster.getZkServer().getZkAddress()).withFunctionName("search", CloudSolrStream.class).withFunctionName("update", UpdateStream.class).withFunctionName("commit", CommitStream.class).withFunctionName("parallel", ParallelStream.class).withFunctionName("daemon", DaemonStream.class);
    try {
        //Copy all docs to destinationCollection
        String updateExpression = "daemon(commit(parallelDestinationCollection1, batchSize=0, zkHost=\"" + cluster.getZkServer().getZkAddress() + "\", update(parallelDestinationCollection1, batchSize=2, search(collection1, q=*:*, fl=\"id,a_s,a_i,a_f,s_multi,i_multi\", sort=\"a_f asc, a_i asc\", partitionKeys=\"a_f\"))), runInterval=\"1000\", id=\"test\")";
        TupleStream parallelUpdateStream = factory.constructStream("parallel(collection1, " + updateExpression + ", workers=\"2\", zkHost=\"" + zkHost + "\", sort=\"batchNumber asc\")");
        parallelUpdateStream.setStreamContext(streamContext);
        List<Tuple> tuples = getTuples(parallelUpdateStream);
        assert (tuples.size() == 2);
        //Lets sleep long enough for daemon updates to run.
        //Lets stop the daemons
        ModifiableSolrParams sParams = new ModifiableSolrParams(StreamingTest.mapParams(CommonParams.QT, "/stream", "action", "list"));
        int workersComplete = 0;
        for (JettySolrRunner jetty : cluster.getJettySolrRunners()) {
            int iterations = 0;
            INNER: while (iterations == 0) {
                SolrStream solrStream = new SolrStream(jetty.getBaseUrl().toString() + "/collection1", sParams);
                solrStream.setStreamContext(streamContext);
                solrStream.open();
                Tuple tupleResponse = solrStream.read();
                if (tupleResponse.EOF) {
                    solrStream.close();
                    break INNER;
                } else {
                    long l = tupleResponse.getLong("iterations");
                    if (l > 0) {
                        ++workersComplete;
                    } else {
                        try {
                            Thread.sleep(1000);
                        } catch (Exception e) {
                        }
                    }
                    iterations = (int) l;
                    solrStream.close();
                }
            }
        }
        assertEquals(cluster.getJettySolrRunners().size(), workersComplete);
        //Lets stop the daemons
        sParams = new ModifiableSolrParams();
        sParams.set(CommonParams.QT, "/stream");
        sParams.set("action", "stop");
        sParams.set("id", "test");
        for (JettySolrRunner jetty : cluster.getJettySolrRunners()) {
            SolrStream solrStream = new SolrStream(jetty.getBaseUrl() + "/collection1", sParams);
            solrStream.setStreamContext(streamContext);
            solrStream.open();
            Tuple tupleResponse = solrStream.read();
            solrStream.close();
        }
        sParams = new ModifiableSolrParams();
        sParams.set(CommonParams.QT, "/stream");
        sParams.set("action", "list");
        workersComplete = 0;
        for (JettySolrRunner jetty : cluster.getJettySolrRunners()) {
            long stopTime = 0;
            INNER: while (stopTime == 0) {
                SolrStream solrStream = new SolrStream(jetty.getBaseUrl() + "/collection1", sParams);
                solrStream.setStreamContext(streamContext);
                solrStream.open();
                Tuple tupleResponse = solrStream.read();
                if (tupleResponse.EOF) {
                    solrStream.close();
                    break INNER;
                } else {
                    stopTime = tupleResponse.getLong("stopTime");
                    if (stopTime > 0) {
                        ++workersComplete;
                    } else {
                        try {
                            Thread.sleep(1000);
                        } catch (Exception e) {
                        }
                    }
                    solrStream.close();
                }
            }
        }
        assertEquals(cluster.getJettySolrRunners().size(), workersComplete);
        //Ensure that destinationCollection actually has the new docs.
        expression = StreamExpressionParser.parse("search(parallelDestinationCollection1, q=*:*, fl=\"id,a_s,a_i,a_f,s_multi,i_multi\", sort=\"a_i asc\")");
        stream = new CloudSolrStream(expression, factory);
        stream.setStreamContext(streamContext);
        tuples = getTuples(stream);
        assertEquals(5, tuples.size());
        Tuple tuple = tuples.get(0);
        assert (tuple.getLong("id") == 0);
        assert (tuple.get("a_s").equals("hello0"));
        assert (tuple.getLong("a_i") == 0);
        assert (tuple.getDouble("a_f") == 0.0);
        assertList(tuple.getStrings("s_multi"), "aaaa", "bbbb");
        assertList(tuple.getLongs("i_multi"), Long.parseLong("4"), Long.parseLong("7"));
        tuple = tuples.get(1);
        assert (tuple.getLong("id") == 1);
        assert (tuple.get("a_s").equals("hello1"));
        assert (tuple.getLong("a_i") == 1);
        assert (tuple.getDouble("a_f") == 1.0);
        assertList(tuple.getStrings("s_multi"), "aaaa4", "bbbb4");
        assertList(tuple.getLongs("i_multi"), Long.parseLong("44444"), Long.parseLong("77777"));
        tuple = tuples.get(2);
        assert (tuple.getLong("id") == 2);
        assert (tuple.get("a_s").equals("hello2"));
        assert (tuple.getLong("a_i") == 2);
        assert (tuple.getDouble("a_f") == 0.0);
        assertList(tuple.getStrings("s_multi"), "aaaa1", "bbbb1");
        assertList(tuple.getLongs("i_multi"), Long.parseLong("44"), Long.parseLong("77"));
        tuple = tuples.get(3);
        assert (tuple.getLong("id") == 3);
        assert (tuple.get("a_s").equals("hello3"));
        assert (tuple.getLong("a_i") == 3);
        assert (tuple.getDouble("a_f") == 3.0);
        assertList(tuple.getStrings("s_multi"), "aaaa2", "bbbb2");
        assertList(tuple.getLongs("i_multi"), Long.parseLong("444"), Long.parseLong("777"));
        tuple = tuples.get(4);
        assert (tuple.getLong("id") == 4);
        assert (tuple.get("a_s").equals("hello4"));
        assert (tuple.getLong("a_i") == 4);
        assert (tuple.getDouble("a_f") == 4.0);
        assertList(tuple.getStrings("s_multi"), "aaaa3", "bbbb3");
        assertList(tuple.getLongs("i_multi"), Long.parseLong("4444"), Long.parseLong("7777"));
    } finally {
        CollectionAdminRequest.deleteCollection("parallelDestinationCollection1").process(cluster.getSolrClient());
        solrClientCache.close();
    }
}