| /* |
| * 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.api.types; |
| |
| 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.java.typeutils.GenericTypeInfo; |
| |
| /** |
| * Generic type. |
| */ |
| public class GenericType<T> extends AtomicType { |
| |
| private TypeInformation<T> typeInfo; |
| private TypeSerializer<T> serializer; |
| |
| public GenericType(Class<T> typeClass) { |
| this(new GenericTypeInfo<>(typeClass)); |
| } |
| |
| public GenericType(TypeInformation<T> typeInfo) { |
| this.typeInfo = typeInfo; |
| } |
| |
| public TypeInformation<T> getTypeInfo() { |
| return typeInfo; |
| } |
| |
| public Class<T> getTypeClass() { |
| return typeInfo.getTypeClass(); |
| } |
| |
| public TypeSerializer<T> getSerializer() { |
| if (serializer == null) { |
| this.serializer = typeInfo.createSerializer(new ExecutionConfig()); |
| } |
| return serializer; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| GenericType<?> that = (GenericType<?>) o; |
| |
| return typeInfo.equals(that.typeInfo); |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = super.hashCode(); |
| result = 31 * result + typeInfo.hashCode(); |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return "GenericType{" + |
| "typeClass=" + typeInfo.getTypeClass() + |
| '}'; |
| } |
| } |