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

Introduction

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

Prototype

public Tuple read() throws IOException 

Source Link

Usage

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

public static void main(String[] args) {
    /*//  w w w .j  a  v  a  2 s.  com
    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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