    001/*
    002 * Copyright (c) 2007-2016 Concurrent, Inc. All Rights Reserved.
    003 *
    004 * Project and contact information: http://www.cascading.org/
    005 *
    006 * This file is part of the Cascading project.
    007 *
    008 * Licensed under the Apache License, Version 2.0 (the "License");
    009 * you may not use this file except in compliance with the License.
    010 * You may obtain a copy of the License at
    011 *
    012 *     http://www.apache.org/licenses/LICENSE-2.0
    013 *
    014 * Unless required by applicable law or agreed to in writing, software
    015 * distributed under the License is distributed on an "AS IS" BASIS,
    016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    017 * See the License for the specific language governing permissions and
    018 * limitations under the License.
    019 */
    020
    021package cascading.flow;
    022
    023/**
    024 * Constants to be used as key in {@link Flow#getFlowDescriptor()}.
    025 * <p/>
    026 * See also {@link FlowStepDescriptors}.
    027 */
    028public interface FlowDescriptors
    029  {
    030  /** String that can be used as a record separator. */
    031  String VALUE_SEPARATOR = "\u001E";
    032
    033  /** Denotes a collection  of statements like SQL or similar. */
    034  String STATEMENTS = "statements";
    035
    036  /** Denotes the type of statement in the current flow. e.g. SQL, Pig Latin etc. */
    037  String STATEMENT_TYPES = "statement_types";
    038
    039  /** Briefly describes the current Flow * */
    040  String DESCRIPTION = "description";
    041  }