001 /* 002 * Copyright (c) 2007-2014 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 */ 020 021 package cascading.operation; 022 023 /** 024 * Interface PlannerLevel is the base interface for {@link DebugLevel} and {@link AssertionLevel} enum types. 025 * <p/> 026 * It should be noted that all enum implementations of this interface must declare a NONE or equivalent instance. This 027 * special case type tells the {@link cascading.flow.planner.FlowPlanner} to remove all {@link PlannedOperation} instances from 028 * the final {@link cascading.flow.Flow}. 029 * 030 * @see DebugLevel 031 * @see AssertionLevel 032 */ 033 public interface PlannerLevel 034 { 035 /** 036 * Returns true if this enum instance represents a value that instructs the {@link cascading.flow.planner.FlowPlanner} to 037 * remove all instances from the plan. 038 * 039 * @return true if this represents "NONE" 040 */ 041 boolean isNoneLevel(); 042 043 /** 044 * Returns true if the given {@link PlannerLevel} is less strict than this instance. 045 * 046 * @param plannerLevel of type PlannerLevel 047 * @return true if argument is less strict 048 */ 049 boolean isStricterThan( PlannerLevel plannerLevel ); 050 }