Scala CoreAnnotations类代码示例

//设置package包名称以及导入依赖的类
package com.knoldus.streaming.core


import java.util.Properties

import edu.stanford.nlp.ling.CoreAnnotations
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations
import edu.stanford.nlp.pipeline.{Annotation, StanfordCoreNLP}
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations

import scala.collection.convert.wrapAll._

object SentimentAnalyzer {

  private val props = new Properties()
  props.setProperty("annotators", "tokenize, ssplit, parse, sentiment")
  private val pipeline: StanfordCoreNLP = new StanfordCoreNLP(props)

  def getSentiment(input: String): String = {
    if (Option(input).isDefined && !input.trim.isEmpty) {
      val annotation: Annotation = pipeline.process(input)
      val (_, sentiment) =
        annotation.get(classOf[CoreAnnotations.SentencesAnnotation])
          .map { sentence => (sentence, sentence.get(classOf[SentimentCoreAnnotations.SentimentAnnotatedTree])) }
          .map { case (sentence, tree) => (sentence.toString, getSentimentType(RNNCoreAnnotations.getPredictedClass(tree))) }
          .maxBy { case (sentence, _) => sentence.length }
      sentiment
    } else {
      throw new IllegalArgumentException("Text should not empty or null")
    }
  }


  private def getSentimentType(sentiment: Int): String = sentiment match {
    case x if x == 3 || x == 4 => "positive"
    case x if x == 0 || x == 1 => "negative"
    case 2 => "neutral"
  }
} 

//设置package包名称以及导入依赖的类
package com.knoldus.nlp

import java.util.Properties

import edu.stanford.nlp.ling.CoreAnnotations
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations
import edu.stanford.nlp.pipeline.{Annotation, StanfordCoreNLP}
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations

import scala.collection.convert.wrapAll._

object SentimentAnalyzer {

  private val props = new Properties()
  props.setProperty("annotators", "tokenize, ssplit, parse, sentiment")
  private val pipeline: StanfordCoreNLP = new StanfordCoreNLP(props)

  def getSentiment(input: String): String = {
    if (Option(input).isDefined && !input.trim.isEmpty) {
      val annotation: Annotation = pipeline.process(input)
      val (_, sentiment) =
        annotation.get(classOf[CoreAnnotations.SentencesAnnotation])
          .map { sentence => (sentence, sentence.get(classOf[SentimentCoreAnnotations.SentimentAnnotatedTree])) }
          .map { case (sentence, tree) => (sentence.toString, getSentimentType(RNNCoreAnnotations.getPredictedClass(tree))) }
          .maxBy { case (sentence, _) => sentence.length }
      sentiment
    } else {
      throw new IllegalArgumentException("Text should not empty or null")
    }
  }


  private def getSentimentType(sentiment: Int): String = sentiment match {
    case x if x == 3 || x == 4 => "positive"
    case x if x == 0 || x == 1 => "negative"
    case 2 => "neutral"
  }
} 

//设置package包名称以及导入依赖的类
import java.util.Properties

import edu.stanford.nlp.ling.CoreAnnotations
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations
import edu.stanford.nlp.pipeline.{Annotation, StanfordCoreNLP}
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations

import scala.collection.JavaConversions._

object SentimentAnalyzer{
  val props = new Properties()
  props.setProperty("annotators", "tokenize, ssplit, parse, sentiment")
  val pipeline: StanfordCoreNLP = new StanfordCoreNLP(props)

  def getSentimentScore(text: String) = {
    val scoreList = getSentimentScoreList(text: String)
    val scores = scoreList.map(_._2)
    scores.sum.toDouble/scores.length
  }

  def getSentimentScoreList(text: String): List[(String, Int)] = {
    val annotation: Annotation = pipeline.process(text)
    val sentences = annotation.get(classOf[CoreAnnotations.SentencesAnnotation]).filterNot(x=> x.toString.trim.isEmpty)
    val res = sentences.map(sentence =>
      (sentence, sentence.get(classOf[SentimentCoreAnnotations.SentimentAnnotatedTree])))
      .map { case (sentence, tree) => (sentence.toString,RNNCoreAnnotations.getPredictedClass(tree)) }
      .toList
    res
  }

} 

//设置package包名称以及导入依赖的类
package term.project.SentimentalStats

import java.util.Properties
import Sentiment.Sentiment

import edu.stanford.nlp.ling.CoreAnnotations
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations
import edu.stanford.nlp.pipeline.{Annotation, StanfordCoreNLP}
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations

import scala.collection.convert.wrapAll._


  object SentimentAnalyzer {

  val props = new Properties
  props.setProperty("annotators", "tokenize, ssplit, parse, sentiment")
  val pipeline: StanfordCoreNLP = new StanfordCoreNLP(props)

  def mainSentiment(input: String): Sentiment = Option(input) match {
    case Some(text) if text.nonEmpty => extractSentiment(text)
    case None => throw new IllegalArgumentException("input can't be null or empty")
  }

  def sentiment(input: String): List[(String, Sentiment)] = Option(input) match {
    case Some(text) if text.nonEmpty => extractSentiments(text)
    case None => throw new IllegalArgumentException("input can't be null or empty")
  }

  private def extractSentiment(text: String): Sentiment = {
    val (_, sentiment) = extractSentiments(text)
      .maxBy { case (sentence, _) => sentence.length }
    sentiment
  }

  def extractSentiments(text: String): List[(String, Sentiment)] = {
    val annotation: Annotation = pipeline.process(text)
    val sentences = annotation.get(classOf[CoreAnnotations.SentencesAnnotation])
    sentences
      .map(sentence => (sentence, sentence.get(classOf[SentimentCoreAnnotations.SentimentAnnotatedTree])))
      .map { case (sentence, tree) => (sentence.toString, Sentiment.toSentiment(RNNCoreAnnotations.getPredictedClass(tree))) }
      .toList
  }
} 

//设置package包名称以及导入依赖的类
package pl.pcejrowski

import java.util
import java.util.Properties

import edu.stanford.nlp.ling.CoreAnnotations
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations
import edu.stanford.nlp.pipeline.{Annotation, StanfordCoreNLP}
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations
import edu.stanford.nlp.util.CoreMap

import scala.collection.convert.wrapAll._

object SentimentAnalyzer {

  val props = new Properties()
  props.setProperty("annotators", "tokenize, ssplit, parse, sentiment")

  val pipeline: StanfordCoreNLP = new StanfordCoreNLP(props)

  def mainSentiment(input: String): Int = Option(input) match {
    case Some(text) if !text.isEmpty => extractSentiment(text)
    case _ => throw new IllegalArgumentException("input can't be null or empty")
  }

  private def extractSentiment(text: String): Int = {
    val (_, sentiment) = extractSentiments(text)
      .maxBy { case (sentence, _) => sentence.length }
    sentiment
  }

  private def extractSentiments(text: String): List[(String, Int)] = {
    val annotation: Annotation = pipeline.process(text)
    val sentences: util.List[CoreMap] = annotation.get(classOf[CoreAnnotations.SentencesAnnotation])
    sentences
      .map(sentence => (sentence, sentence.get(classOf[SentimentCoreAnnotations.SentimentAnnotatedTree])))
      .map { case (sentence, tree) => (sentence.toString, RNNCoreAnnotations.getPredictedClass(tree)) }
      .toList
  }

} 

//设置package包名称以及导入依赖的类
package io.purush.spark.twitter.streaming

import java.util.Properties

import edu.stanford.nlp.ling.CoreAnnotations
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations
import edu.stanford.nlp.pipeline.{Annotation, StanfordCoreNLP}
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations
import io.purush.spark.twitter.streaming.Sentiment._

import scala.collection.convert.wrapAll._

object SentimentAnalyzer {
  val props = new Properties()
  // corenlp pipeline annotator configuration
  props.setProperty("annotators", "tokenize, ssplit, parse, sentiment")
  val pipeline: StanfordCoreNLP = new StanfordCoreNLP(props)

  def mainSentiment(input:String): Sentiment= Option(input) match{
    case Some(text) if !text.isEmpty => extractSentiment(text)
    case _ => throw new IllegalArgumentException("Input can't be empty")
  }

  def extractSentiment(text:String): Sentiment ={
    val (_, sentiment) = extractSentiments(text)
      .maxBy{case (sentence, _) => sentence.length}
    sentiment
  }

  def extractSentiments(text:String): List[(String, Sentiment)] = {
    val annotation: Annotation = pipeline.process(text)
    val sentences = annotation.get(classOf[CoreAnnotations.SentencesAnnotation])
    sentences.map(sentence => (sentence, sentence.get(classOf[SentimentCoreAnnotations.SentimentAnnotatedTree])))
      .map{ case (sentence, tree) => (sentence.toString, Sentiment.toSentiment(RNNCoreAnnotations.getPredictedClass(tree)))}
      .toList

  }
} 

//设置package包名称以及导入依赖的类
package com.knoldus.core


import java.util.Properties

import edu.stanford.nlp.ling.CoreAnnotations
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations
import edu.stanford.nlp.pipeline.{Annotation, StanfordCoreNLP}
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations

import scala.collection.convert.wrapAll._

trait SentimentAnalyzer {

  private val props = new Properties()
  props.setProperty("annotators", "tokenize, ssplit, parse, sentiment")
  private val pipeline: StanfordCoreNLP = new StanfordCoreNLP(props)

  def getSentiment(input: String): String = {
    if (Option(input).isDefined && !input.trim.isEmpty) {
      val annotation: Annotation = pipeline.process(input)
      val (_, sentiment) =
        annotation.get(classOf[CoreAnnotations.SentencesAnnotation])
          .map { sentence => (sentence, sentence.get(classOf[SentimentCoreAnnotations.SentimentAnnotatedTree])) }
          .map { case (sentence, tree) => (sentence.toString, getSentimentType(RNNCoreAnnotations.getPredictedClass(tree))) }
          .maxBy { case (sentence, _) => sentence.length }
      sentiment
    } else {
      throw new IllegalArgumentException("Text should not empty or null")
    }
  }


  private def getSentimentType(sentiment: Int): String = sentiment match {
    case x if x == 3 || x == 4 => "positive"
    case x if x == 0 || x == 1 => "negative"
    case 2 => "neutral"
  }
} 

//设置package包名称以及导入依赖的类
package com.whimsicalbees.nlp

import java.util.Properties

import com.whimsicalbees.nlp.Sentiment.Sentiment
import edu.stanford.nlp.pipeline.Annotation
import edu.stanford.nlp.ling.CoreAnnotations
import edu.stanford.nlp.pipeline.StanfordCoreNLP
import collection.JavaConverters._
import collection.JavaConversions._
import edu.stanford.nlp.sentiment.SentimentCoreAnnotations
import edu.stanford.nlp.neural.rnn.RNNCoreAnnotations

object SentimentAnalyzer {

	val props = new Properties()
	props.setProperty("annotators", "tokenize, ssplit, parse, sentiment")
	val pipeline: StanfordCoreNLP = new StanfordCoreNLP(props)

	def mainSentiment(input: String): Sentiment = Option(input) match {
		case Some(text) if !text.isEmpty => extractSentiment(text)
		case _ => throw new IllegalArgumentException("input can't be null or empty")
	}

	def sentiment(input: String): List[(String, Sentiment)] = Option(input) match {
		case Some(text) if !text.isEmpty => extractSentiments(text)
		case _ => throw new IllegalArgumentException("input can't be null or empty")
	}

	private def extractSentiment(text: String): Sentiment = {
		val (_, sentiment) = extractSentiments(text)
			.maxBy { case (sentence, _) => sentence.length }
		sentiment
	}

	def extractSentiments(text: String): List[(String, Sentiment)] = {
		val annotation: Annotation = pipeline.process(text)
		val sentences = annotation.get(classOf[CoreAnnotations.SentencesAnnotation])
		sentences
			.map(sentence => (sentence, sentence.get(classOf[SentimentCoreAnnotations.SentimentAnnotatedTree])))
			.map { case (sentence, tree) => (sentence.toString, Sentiment.toSentiment(RNNCoreAnnotations.getPredictedClass(tree))) }
			.toList
	}
}

object Sentiment extends Enumeration {
	type Sentiment = Value

	val POSITIVE, NEGATIVE, NEUTRAL = Value

	def toSentiment(sentiment: Int): Sentiment = sentiment match {
		case x if x == 0 || x == 1 => Sentiment.NEGATIVE
		case 2 => Sentiment.NEUTRAL
		case x if x == 3 || x == 4 => Sentiment.POSITIVE
	}
}