| /* |
| * 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.internal.types |
| |
| import org.apache.spark.sql.types.{AbstractDataType, DataType, MapType} |
| |
| |
| /** |
| * Use AbstractMapType(AbstractDataType, AbstractDataType) |
| * for defining expected types for expression parameters. |
| */ |
| case class AbstractMapType( |
| keyType: AbstractDataType, |
| valueType: AbstractDataType |
| ) extends AbstractDataType { |
| |
| override private[sql] def defaultConcreteType: DataType = |
| MapType(keyType.defaultConcreteType, valueType.defaultConcreteType, valueContainsNull = true) |
| |
| override private[sql] def acceptsType(other: DataType): Boolean = { |
| other.isInstanceOf[MapType] && |
| keyType.acceptsType(other.asInstanceOf[MapType].keyType) && |
| valueType.acceptsType(other.asInstanceOf[MapType].valueType) |
| } |
| |
| override private[spark] def simpleString: String = |
| s"map<${keyType.simpleString}, ${valueType.simpleString}>" |
| } |