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• TMVocabReader.scala

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com.johnsnowlabs.nlp.annotators.btm.TMVocabReader.scala Maven / Gradle / Ivy

/*
 * Copyright 2017-2022 John Snow Labs
 *
 * 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.johnsnowlabs.nlp.annotators.btm

import com.johnsnowlabs.storage.{RocksDBConnection, StorageReader}

class TMVocabReader(
    protected val connection: RocksDBConnection,
    protected val caseSensitiveIndex: Boolean)
    extends StorageReader[Int] {

  override def emptyValue: Int = -1

  override def fromBytes(source: Array[Byte]): Int = {
    BigInt(source).toInt
  }

  override protected def readCacheSize: Int = 50000

}