001/* 002 * Copyright (c) 2016-2017 Chris K Wensel <chris@wensel.net>. All Rights Reserved. 003 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved. 004 * 005 * Project and contact information: http://www.cascading.org/ 006 * 007 * This file is part of the Cascading project. 008 * 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 */ 021 022package cascading.flow; 023 024/** 025 * Constants to be used as key in {@link Flow#getFlowDescriptor()}. 026 * <p> 027 * See also {@link FlowStepDescriptors}. 028 */ 029public interface FlowDescriptors 030 { 031 /** String that can be used as a record separator. */ 032 String VALUE_SEPARATOR = "\u001E"; 033 034 /** Denotes a collection of statements like SQL or similar. */ 035 String STATEMENTS = "statements"; 036 037 /** Denotes the type of statement in the current flow. e.g. SQL, Pig Latin etc. */ 038 String STATEMENT_TYPES = "statement_types"; 039 040 /** Briefly describes the current Flow * */ 041 String DESCRIPTION = "description"; 042 }