Example usage for org.apache.solr.common.params SolrParams getDouble

Introduction

In this page you can find the example usage for org.apache.solr.common.params SolrParams getDouble.

Prototype

public double getDouble(String param, double def) 

Source Link

Document

Returns the float value of the param, or def if not set

Usage

From source file:com.grantingersoll.intell.clustering.KMeansClusteringEngine.java

License:Apache License

@Override
public String init(NamedList config, SolrCore core) {
    String result = super.init(config, core);
    SolrParams params = SolrParams.toSolrParams(config);
    this.core = core;
    String dirStr = params.get("dir");
    clusterBaseDir = new File(dirStr);
    if (clusterBaseDir.isAbsolute() == false) {
        clusterBaseDir = new File(core.getDataDir(), dirStr);
    }/*from  www  . j a va  2  s  .co  m*/
    clusterBaseDir.mkdirs();
    inputField = params.get("inputField");
    String distMeas = params.get("distanceMeasure");
    Class distClass = core.getResourceLoader().findClass(distMeas);

    try {
        measure = (DistanceMeasure) distClass.newInstance();
    } catch (InstantiationException e) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Unable to load measure class", e);
    } catch (IllegalAccessException e) {
        throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, "Unable to load measure class", e);
    }
    convergence = params.getDouble("convergence", 0.001);
    maxIters = params.getInt("maxIterations", 20);
    cacheClusters = params.getBool("cacheClusters", true);
    cachePoints = params.getBool("cachePoints", true);
    this.k = params.getInt("k");
    //See if we have clusters already
    File nowFile = new File(clusterBaseDir, "lastJob");
    if (nowFile.exists()) {
        lastSuccessful = readJobDetails(nowFile);

    }
    return result;
}

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