Examples with DefaultSparkConfigurer co.cask.cdap.internal.app.spark.DefaultSparkConfigurer used on opensource projects

Example 1 with DefaultSparkConfigurer

use of co.cask.cdap.internal.app.spark.DefaultSparkConfigurer in project cdap by caskdata.

the class DefaultAppConfigurer method addSpark.

@Override
public void addSpark(Spark spark) {
    Preconditions.checkArgument(spark != null, "Spark cannot be null.");
    DefaultSparkConfigurer configurer = null;
    // It is a bit hacky here to look for the DefaultExtendedSparkConfigurer implementation through the
    // SparkRunnerClassloader directly (CDAP-11797)
    ClassLoader sparkRunnerClassLoader = ClassLoaders.findByName(spark.getClass().getClassLoader(), "co.cask.cdap.app.runtime.spark.classloader.SparkRunnerClassLoader");
    if (sparkRunnerClassLoader != null) {
        try {
            configurer = (DefaultSparkConfigurer) sparkRunnerClassLoader.loadClass("co.cask.cdap.app.deploy.spark.DefaultExtendedSparkConfigurer").getConstructor(Spark.class, Id.Namespace.class, Id.Artifact.class, ArtifactRepository.class, PluginInstantiator.class).newInstance(spark, deployNamespace, artifactId, artifactRepository, pluginInstantiator);
        } catch (Exception e) {
            // Ignore it and the configurer will be defaulted to DefaultSparkConfigurer
            LOG.trace("No DefaultExtendedSparkConfigurer found. Fallback to DefaultSparkConfigurer.", e);
        }
    }
    if (configurer == null) {
        configurer = new DefaultSparkConfigurer(spark, deployNamespace, artifactId, artifactRepository, pluginInstantiator);
    }
    spark.configure(configurer);
    addDatasetsAndPlugins(configurer);
    SparkSpecification spec = configurer.createSpecification();
    sparks.put(spec.getName(), spec);
}