| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.textclassifier; |
| |
| import androidx.annotation.FloatRange; |
| import com.google.common.base.Objects; |
| import com.google.common.base.Preconditions; |
| |
| /** A representation of an identified entity with the confidence score */ |
| public final class Entity implements Comparable<Entity> { |
| |
| private final String entityType; |
| private final float score; |
| |
| public Entity(String entityType, float score) { |
| this.entityType = Preconditions.checkNotNull(entityType); |
| this.score = score; |
| } |
| |
| public String getEntityType() { |
| return entityType; |
| } |
| |
| /** |
| * Returns the confidence score of the entity, which ranged from 0.0 (low confidence) to 1.0 (high |
| * confidence). |
| */ |
| @FloatRange(from = 0.0, to = 1.0) |
| public Float getScore() { |
| return score; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(entityType, score); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| Entity entity = (Entity) o; |
| return Float.compare(entity.score, score) == 0 |
| && java.util.Objects.equals(entityType, entity.entityType); |
| } |
| |
| @Override |
| public String toString() { |
| return "Entity{" + entityType + ": " + score + "}"; |
| } |
| |
| @Override |
| public int compareTo(Entity entity) { |
| // This method is implemented for sorting Entity. Sort the entities by the confidence score |
| // in descending order firstly. If the scores are the same, then sort them by the entity |
| // type in ascending order. |
| int result = Float.compare(entity.getScore(), score); |
| if (result == 0) { |
| return entityType.compareTo(entity.getEntityType()); |
| } |
| return result; |
| } |
| } |