Example usage for org.apache.solr.client.solrj.io.stream CloudSolrStream children

Introduction

In this page you can find the example usage for org.apache.solr.client.solrj.io.stream CloudSolrStream children.

Prototype

public List<TupleStream> children() 

Source Link

Usage

From source file:com.lucidworks.fusion.support.tests.SolrjStreamingTest.java

public static void main(String[] args) {
    /*/*from  w w  w.ja  va  2s.co  m*/
    try{
    StreamFactory streamFactory = new StreamFactory().withCollectionZkHost("collection1", zkServer.getZkAddress())
    .withStreamFunction("search", CloudSolrStream.class)
    .withStreamFunction("unique", UniqueStream.class)
    .withStreamFunction("top", RankStream.class)
    .withStreamFunction("group", ReducerStream.class)
    .withStreamFunction("parallel", ParallelStream.class);
            
    ParallelStream pstream = (ParallelStream)streamFactory.constructStream("parallel(collection1, group(search(collection1, q=\"*:*\", fl=\"id,a_s,a_i,a_f\", sort=\"a_s asc,a_f asc\", partitionKeys=\"a_s\"), by=\"a_s asc\"), workers=\"2\", zkHost=\""+zkHost+"\", sort=\"a_s asc\")");
    }catch(Exception e){
    e.printStackTrace();
    }
    */
    String zkHost = "localhost:9983";//args[0];
    String collection = "fbo_test";//args[1];
    CloudSolrStream cstream = null;

    Map props = new HashMap();
    try {
        props.put("q", "*:*");
        props.put("qt", "/export");
        props.put("sort", "id asc");
        props.put("fl", "id,body");
        props.put("rows", "20");

        cstream = new CloudSolrStream(zkHost, collection, props);

        cstream.open();
        System.out.println("children: " + cstream.children().size());
        while (true) {

            Tuple tuple = cstream.read();
            if (tuple.EOF) {
                System.out.println("BREAK");
                break;
            }

            String fieldA = tuple.getString("id");
            String fieldB = tuple.getString("body");
            String fieldC = " ";//tuple.getString("resourceName");
            System.out.println(fieldA + ", " + fieldB + ", " + fieldC);
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        try {
            cstream.close();
        } catch (Exception e) {
        }
    }

}

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