ProgramClassLoaderProvider.java

/*
 * Copyright © 2016 Cask Data, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package co.cask.cdap.common.lang;

import co.cask.cdap.common.conf.CConfiguration;

import java.io.File;

/**
 * A provider for {@link ProgramClassLoader} used for program classloading.
 */
public interface ProgramClassLoaderProvider {

  /**
   * Creates a {@link ProgramClassLoader}.
   *
   * @param cConf configuration for the classloader creation
   * @param dir directory where the program artifact jar is unpacked to
   * @return an instance of {@link ProgramClassLoader}
   */
  ProgramClassLoader createProgramClassLoader(CConfiguration cConf, File dir);
}