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Move "asJavaDataType" and "asScalaDataType" to DataTypeConversions.sc…
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sql/core/src/main/scala/org/apache/spark/sql/types/util/DataTypeConversions.scala
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,124 @@ | ||
| /* | ||
| * 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.sql.types.util | ||
|
|
||
| import org.apache.spark.sql._ | ||
| import org.apache.spark.sql.api.java.types.{DataType => JDataType, StructField => JStructField} | ||
|
|
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| import scala.collection.JavaConverters._ | ||
|
|
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| protected[sql] object DataTypeConversions { | ||
|
|
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| /** | ||
| * Returns the equivalent StructField in Scala for the given StructField in Java. | ||
| */ | ||
| def asJavaStructField(scalaStructField: StructField): JStructField = { | ||
| org.apache.spark.sql.api.java.types.DataType.createStructField( | ||
| scalaStructField.name, | ||
| asJavaDataType(scalaStructField.dataType), | ||
| scalaStructField.nullable) | ||
| } | ||
|
|
||
| /** | ||
| * Returns the equivalent DataType in Java for the given DataType in Scala. | ||
| */ | ||
| def asJavaDataType(scalaDataType: DataType): JDataType = scalaDataType match { | ||
| case StringType => | ||
| org.apache.spark.sql.api.java.types.DataType.StringType | ||
| case BinaryType => | ||
| org.apache.spark.sql.api.java.types.DataType.BinaryType | ||
| case BooleanType => | ||
| org.apache.spark.sql.api.java.types.DataType.BooleanType | ||
| case TimestampType => | ||
| org.apache.spark.sql.api.java.types.DataType.TimestampType | ||
| case DecimalType => | ||
| org.apache.spark.sql.api.java.types.DataType.DecimalType | ||
| case DoubleType => | ||
| org.apache.spark.sql.api.java.types.DataType.DoubleType | ||
| case FloatType => | ||
| org.apache.spark.sql.api.java.types.DataType.FloatType | ||
| case ByteType => | ||
| org.apache.spark.sql.api.java.types.DataType.ByteType | ||
| case IntegerType => | ||
| org.apache.spark.sql.api.java.types.DataType.IntegerType | ||
| case LongType => | ||
| org.apache.spark.sql.api.java.types.DataType.LongType | ||
| case ShortType => | ||
| org.apache.spark.sql.api.java.types.DataType.ShortType | ||
|
|
||
| case arrayType: ArrayType => | ||
| org.apache.spark.sql.api.java.types.DataType.createArrayType( | ||
| asJavaDataType(arrayType.elementType), arrayType.containsNull) | ||
| case mapType: MapType => | ||
| org.apache.spark.sql.api.java.types.DataType.createMapType( | ||
| asJavaDataType(mapType.keyType), | ||
| asJavaDataType(mapType.valueType), | ||
| mapType.valueContainsNull) | ||
| case structType: StructType => | ||
| org.apache.spark.sql.api.java.types.DataType.createStructType( | ||
| structType.fields.map(asJavaStructField).asJava) | ||
| } | ||
|
|
||
| /** | ||
| * Returns the equivalent StructField in Scala for the given StructField in Java. | ||
| */ | ||
| def asScalaStructField(javaStructField: JStructField): StructField = { | ||
| StructField( | ||
| javaStructField.getName, | ||
| asScalaDataType(javaStructField.getDataType), | ||
| javaStructField.isNullable) | ||
| } | ||
|
|
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| /** | ||
| * Returns the equivalent DataType in Scala for the given DataType in Java. | ||
| */ | ||
| def asScalaDataType(javaDataType: JDataType): DataType = javaDataType match { | ||
| case stringType: org.apache.spark.sql.api.java.types.StringType => | ||
| StringType | ||
| case binaryType: org.apache.spark.sql.api.java.types.BinaryType => | ||
| BinaryType | ||
| case booleanType: org.apache.spark.sql.api.java.types.BooleanType => | ||
| BooleanType | ||
| case timestampType: org.apache.spark.sql.api.java.types.TimestampType => | ||
| TimestampType | ||
| case decimalType: org.apache.spark.sql.api.java.types.DecimalType => | ||
| DecimalType | ||
| case doubleType: org.apache.spark.sql.api.java.types.DoubleType => | ||
| DoubleType | ||
| case floatType: org.apache.spark.sql.api.java.types.FloatType => | ||
| FloatType | ||
| case byteType: org.apache.spark.sql.api.java.types.ByteType => | ||
| ByteType | ||
| case integerType: org.apache.spark.sql.api.java.types.IntegerType => | ||
| IntegerType | ||
| case longType: org.apache.spark.sql.api.java.types.LongType => | ||
| LongType | ||
| case shortType: org.apache.spark.sql.api.java.types.ShortType => | ||
| ShortType | ||
|
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| case arrayType: org.apache.spark.sql.api.java.types.ArrayType => | ||
| ArrayType(asScalaDataType(arrayType.getElementType), arrayType.isContainsNull) | ||
| case mapType: org.apache.spark.sql.api.java.types.MapType => | ||
| MapType( | ||
| asScalaDataType(mapType.getKeyType), | ||
| asScalaDataType(mapType.getValueType), | ||
| mapType.isValueContainsNull) | ||
| case structType: org.apache.spark.sql.api.java.types.StructType => | ||
| StructType(structType.getFields.map(asScalaStructField)) | ||
| } | ||
| } |
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