com.lucidworks.spark.util.Utils Maven / Gradle / Ivy

Go to download
package com.lucidworks.spark.util;


import scala.collection.JavaConverters$;

public class Utils {
  /**
   * 
   *   Gets the class for the given name using the Context ClassLoader on this thread or,
   *   if not present, the ClassLoader that loaded Spark Solr.
   * 
   * Copied from Spark org.apache.spark.util.Utils.scala
   */
  public static Class classForName(String className) throws ClassNotFoundException {
    return Class.forName(className, true, getContextOrSparkSolrClassLoader());
  }

  /**
   * 
   *   Get the Context ClassLoader on this thread or, if not present, the ClassLoader that
   *   loaded spark-solr.
   * 
   * 
   *   This should be used whenever passing a ClassLoader to Class.forName or finding the currently
   *   active loader when setting up ClassLoader delegation chains.
   * 
   * Copied from Spark org.apache.spark.util.Utils.scala
   */
  public static ClassLoader getContextOrSparkSolrClassLoader() {
    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
    return classLoader == null ? getSparkSolrClassLoader() : classLoader;
  }

  /** Get the ClassLoader that loaded spark-solr. */
  public static ClassLoader getSparkSolrClassLoader() {
    return Utils.class.getClassLoader();
  }

  public static  scala.collection.immutable.Map convertJavaMapToScalaImmmutableMap(final java.util.Map m) {
    return JavaConverters$.MODULE$.mapAsScalaMapConverter(m).asScala().toMap(scala.Predef$.MODULE$.$conforms());
  }
}