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.tap; 023 024/** 025 * Enum SinkMode identifies supported modes a Tap may utilize when used as a sink. 026 * <p> 027 * Mode KEEP is the default. Typically a failure will result if the resource exists and there is an attempt to 028 * write to it. 029 * <p> 030 * Mode REPLACE will delete/remove the resource before any attempts to write. 031 * <p> 032 * Mode UPDATE will attempt to re-use to the resource, if supported, and update data in place. 033 */ 034public enum SinkMode 035 { 036 KEEP, 037 REPLACE, 038 UPDATE 039 }