spark Predict 源码

2022-10-20
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spark Predict 代码

文件路径：/mllib/src/main/scala/org/apache/spark/mllib/tree/model/Predict.scala

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.spark.mllib.tree.model

import org.apache.spark.annotation.Since

/**
 * Predicted value for a node
 * @param predict predicted value
 * @param prob probability of the label (classification only)
 */
@Since("1.2.0")
class Predict @Since("1.2.0") (
    @Since("1.2.0") val predict: Double,
    @Since("1.2.0") val prob: Double = 0.0) extends Serializable {

  override def toString: String = s"$predict (prob = $prob)"

  override def equals(other: Any): Boolean = {
    other match {
      case p: Predict => predict == p.predict && prob == p.prob
      case _ => false
    }
  }

  override def hashCode: Int = {
    com.google.common.base.Objects.hashCode(predict: java.lang.Double, prob: java.lang.Double)
  }
}

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