| /* |
| * 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.flink.table.dataview |
| |
| import org.apache.flink.api.common.ExecutionConfig |
| import org.apache.flink.api.common.typeinfo.TypeInformation |
| import org.apache.flink.api.common.typeutils.TypeSerializer |
| import org.apache.flink.api.common.typeutils.base.MapSerializer |
| import org.apache.flink.table.api.dataview.MapView |
| |
| /** |
| * [[MapView]] type information. |
| * |
| * @param keyType key type information |
| * @param valueType value type information |
| * @tparam K key type |
| * @tparam V value type |
| */ |
| class MapViewTypeInfo[K, V]( |
| val keyType: TypeInformation[K], |
| val valueType: TypeInformation[V]) |
| extends TypeInformation[MapView[K, V]] { |
| |
| override def isBasicType = false |
| |
| override def isTupleType = false |
| |
| override def getArity = 1 |
| |
| override def getTotalFields = 1 |
| |
| override def getTypeClass: Class[MapView[K, V]] = classOf[MapView[K, V]] |
| |
| override def isKeyType: Boolean = false |
| |
| override def createSerializer(config: ExecutionConfig): TypeSerializer[MapView[K, V]] = { |
| val keySer = keyType.createSerializer(config) |
| val valueSer = valueType.createSerializer(config) |
| new MapViewSerializer[K, V](new MapSerializer[K, V](keySer, valueSer)) |
| } |
| |
| override def canEqual(obj: scala.Any): Boolean = obj != null && obj.getClass == getClass |
| |
| override def hashCode(): Int = 31 * keyType.hashCode + valueType.hashCode |
| |
| override def equals(obj: Any): Boolean = canEqual(obj) && { |
| obj match { |
| case other: MapViewTypeInfo[_, _] => |
| keyType.equals(other.keyType) && |
| valueType.equals(other.valueType) |
| case _ => false |
| } |
| } |
| |
| override def toString: String = s"MapView<$keyType, $valueType>" |
| } |