001/* 002 * Copyright (c) 2015-2020, Oracle and/or its affiliates. All rights reserved. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.tribuo.anomaly; 018 019import com.oracle.labs.mlrg.olcut.util.Pair; 020import org.tribuo.ImmutableOutputInfo; 021import org.tribuo.anomaly.Event.EventType; 022 023import java.util.ArrayList; 024import java.util.Iterator; 025import java.util.List; 026import java.util.logging.Level; 027import java.util.logging.Logger; 028 029/** 030 * An {@link ImmutableOutputInfo} object for {@link Event}s. 031 * <p> 032 * The ids are predefined for {@link Event} in the Event class itself. 033 */ 034public final class ImmutableAnomalyInfo extends AnomalyInfo implements ImmutableOutputInfo<Event> { 035 private static final long serialVersionUID = 1L; 036 037 private static final Logger logger = Logger.getLogger(ImmutableAnomalyInfo.class.getName()); 038 039 ImmutableAnomalyInfo(AnomalyInfo info) { 040 super(info); 041 } 042 043 @Override 044 public int getID(Event output) { 045 return output.getType().getID(); 046 } 047 048 @Override 049 public Event getOutput(int id) { 050 if (id == EventType.ANOMALOUS.getID()) { 051 return AnomalyFactory.ANOMALOUS_EVENT; 052 } else if (id == EventType.EXPECTED.getID()) { 053 return AnomalyFactory.EXPECTED_EVENT; 054 } else { 055 logger.log(Level.INFO,"No entry found for id " + id); 056 return null; 057 } 058 } 059 060 @Override 061 public long getTotalObservations() { 062 return anomalyCount + expectedCount; 063 } 064 065 @Override 066 public ImmutableAnomalyInfo copy() { 067 return new ImmutableAnomalyInfo(this); 068 } 069 070 @Override 071 public Iterator<Pair<Integer, Event>> iterator() { 072 List<Pair<Integer,Event>> list = new ArrayList<>(); 073 074 list.add(new Pair<>(AnomalyFactory.ANOMALOUS_EVENT.getType().getID(),AnomalyFactory.ANOMALOUS_EVENT)); 075 list.add(new Pair<>(AnomalyFactory.EXPECTED_EVENT.getType().getID(),AnomalyFactory.EXPECTED_EVENT)); 076 077 return list.iterator(); 078 } 079}