alluxio-master-2.x/stress/common/src/main/java/alluxio/stress/master/Operation.java
/*
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the "License"). You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

package alluxio.stress.master;

/**
 * The operations for the master stress tests.
 */
public enum Operation {
  // Create files
  CREATE_FILE("CreateFile"), // create fixed-N, create more in extra
  GET_BLOCK_LOCATIONS("GetBlockLocations"), // call for fixed-N
  GET_FILE_STATUS("GetFileStatus"), // call for fixed-N
  LIST_DIR("ListDir"), // call for fixed-N
  LIST_DIR_LOCATED("ListDirLocated"), // call for fixed-N
  OPEN_FILE("OpenFile"), // open for fixed-N

  // Dependent on CreateFile
  RENAME_FILE("RenameFile"), // rename fixed-N, then rename in extra, need plenty of extra
  DELETE_FILE("DeleteFile"), // delete fixed-N, then delete from extra, need plenty of extra
  SET_ATTRIBUTE("SetAttribute"), // update the attribute for a file
  CRURD("CRURD"), // create -> read -> update -> read -> delete a file
  CREATE_DELETE_FILE("CreateDeleteFile"), // create and delete a file

  // Create dirs
  CREATE_DIR("CreateDir"), // create fixed-N, create more in extra
  CREATE_TREE("CreateTree"), // create fixed-N, create more in extra
  LOAD_METADATA("LoadMetadata"), // create fixed-N, create more in extra
  ;

  private final String mName;

  /**
   * @param name Name of the operation
   */
  Operation(String name) {
    mName = name;
  }

  @Override
  public String toString() {
    return mName;
  }

  /**
   * Creates an instance type from the string. This method is case insensitive.
   *
   * @param text the instance type in string
   * @return the created instance
   */
  public static Operation fromString(String text) {
    for (Operation type : Operation.values()) {
      if (type.toString().equalsIgnoreCase(text)) {
        return type;
      }
    }
    throw new IllegalArgumentException("No constant with text " + text + " found");
  }
}
