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.operation; 023 024/** 025 * Interface PlannerLevel is the base interface for {@link DebugLevel} and {@link AssertionLevel} enum types. 026 * <p> 027 * It should be noted that all enum implementations of this interface must declare a NONE or equivalent instance. This 028 * special case type tells the {@link cascading.flow.planner.FlowPlanner} to remove all {@link PlannedOperation} instances from 029 * the final {@link cascading.flow.Flow}. 030 * 031 * @see DebugLevel 032 * @see AssertionLevel 033 */ 034public interface PlannerLevel 035 { 036 /** 037 * Returns true if this enum instance represents a value that instructs the {@link cascading.flow.planner.FlowPlanner} to 038 * remove all instances from the plan. 039 * 040 * @return true if this represents "NONE" 041 */ 042 boolean isNoneLevel(); 043 044 /** 045 * Returns true if the given {@link PlannerLevel} is less strict than this instance. 046 * 047 * @param plannerLevel of type PlannerLevel 048 * @return true if argument is less strict 049 */ 050 boolean isStricterThan( PlannerLevel plannerLevel ); 051 }