How to use

impl

method

in

org.kitesdk.compat.DynConstructors$Builder

public Builder impl(String className, Class<?>... types) {
 // don't do any work if an implementation has been found
 if (ctor != null) {
  return this;
 }
 try {
  Class<?> targetClass = Class.forName(className, true, loader);
  impl(targetClass, types);
 } catch (NoClassDefFoundError e) {
  // cannot load this implementation
  problems.put(className, e);
 } catch (ClassNotFoundException e) {
  // not the right implementation
  problems.put(className, e);
 }
 return this;
}

public Builder impl(String className, Class<?>... types) {
 // don't do any work if an implementation has been found
 if (ctor != null) {
  return this;
 }
 try {
  Class<?> targetClass = Class.forName(className, true, loader);
  impl(targetClass, types);
 } catch (NoClassDefFoundError e) {
  // cannot load this implementation
 } catch (ClassNotFoundException e) {
  // not the right implementation
 }
 return this;
}

  new DynConstructors.Builder(DoFn.class)
    .loader(loader)
    .impl(transform)
    .buildChecked();
transformFn = ctor.newInstance();

  new DynConstructors.Builder(DoFn.class)
    .loader(loaderForJars(jars))
    .impl(transform)
    .buildChecked();
transformFn = ctor.newInstance();

  new DynConstructors.Builder(DoFn.class)
    .loader(loaderForJars(jars))
    .impl(transform)
    .buildChecked();
transformFn = ctor.newInstance();

  new DynConstructors.Builder(DoFn.class)
    .loader(loaderForJars(jars))
    .impl(transform)
    .buildChecked();
transformFn = ctor.newInstance();

public Builder ctorImpl(String className, Class<?>... argClasses) {
 // don't do any work if an implementation has been found
 if (method != null) {
  return this;
 }
 try {
  this.method = new DynConstructors.Builder()
    .impl(className, argClasses)
    .buildChecked();
 } catch (NoSuchMethodException e) {
  // not the right implementation
 }
 return this;
}

public Builder ctorImpl(Class<?> targetClass, Class<?>... argClasses) {
 // don't do any work if an implementation has been found
 if (method != null) {
  return this;
 }
 try {
  this.method = new DynConstructors.Builder()
    .impl(targetClass, argClasses)
    .buildChecked();
 } catch (NoSuchMethodException e) {
  // not the right implementation
 }
 return this;
}

public Builder ctorImpl(String className, Class<?>... argClasses) {
 // don't do any work if an implementation has been found
 if (method != null) {
  return this;
 }
 try {
  this.method = new DynConstructors.Builder()
    .impl(className, argClasses)
    .buildChecked();
 } catch (NoSuchMethodException e) {
  // not the right implementation
 }
 return this;
}

public Builder ctorImpl(Class<?> targetClass, Class<?>... argClasses) {
 // don't do any work if an implementation has been found
 if (method != null) {
  return this;
 }
 try {
  this.method = new DynConstructors.Builder()
    .impl(targetClass, argClasses)
    .buildChecked();
 } catch (NoSuchMethodException e) {
  // not the right implementation
 }
 return this;
}

public Builder impl(Class<?>... types) {
 impl(baseClass, types);
 return this;
}

public Builder impl(Class<?>... types) {
 impl(baseClass, types);
 return this;
}

private static Class<?> findTypeInfoClass(String className) {
 try {
  return new DynConstructors.Builder(TypeInfo.class)
    .impl(className).buildChecked().getConstructedClass();
 } catch (NoSuchMethodException e) {
  return null;
 }
}

private synchronized static void checkHiveDependencies() {
 if (Loader.HIVE_CONF == null) {
  // check that Hive is available by resolving the HiveConf constructor
  // this is also needed by newHiveConf(Configuration)
  Loader.HIVE_CONF = new DynConstructors.Builder()
    .impl("org.apache.hadoop.hive.conf.HiveConf", Configuration.class, Class.class)
    .build();
 }
}

public static <K, V> FileInputFormat<K, V> newInputFormatInstance(
  DatasetDescriptor descriptor) {
 DynConstructors.Ctor<FileInputFormat<K, V>> ctor =
   new DynConstructors.Builder()
     .impl(descriptor.getProperty(INPUT_FORMAT_CLASS_PROP))
     .build();
 return ctor.newInstance();
}

private static Class<?> findTypeInfoClass(String className) {
 try {
  return new DynConstructors.Builder(TypeInfo.class)
    .impl(className).buildChecked().getConstructedClass();
 } catch (NoSuchMethodException e) {
  return null;
 }
}

private synchronized static void checkHiveDependencies() {
 if (Loader.HIVE_CONF == null) {
  // check that Hive is available by resolving the HiveConf constructor
  // this is also needed by newHiveConf(Configuration)
  Loader.HIVE_CONF = new DynConstructors.Builder()
    .impl("org.apache.hadoop.hive.conf.HiveConf", Configuration.class, Class.class)
    .build();
 }
}