| /* |
| * 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.beam.sdk.coders; |
| |
| import java.util.Objects; |
| import org.apache.beam.sdk.annotations.Experimental; |
| import org.apache.beam.sdk.schemas.Schema; |
| import org.apache.beam.sdk.schemas.SchemaCoder; |
| import org.apache.beam.sdk.transforms.SerializableFunctions; |
| import org.apache.beam.sdk.values.Row; |
| |
| /** A sub-class of SchemaCoder that can only encode {@link Row} instances. */ |
| @Experimental |
| public class RowCoder extends SchemaCoder<Row> { |
| public static RowCoder of(Schema schema) { |
| return new RowCoder(schema); |
| } |
| |
| private RowCoder(Schema schema) { |
| super(schema, SerializableFunctions.identity(), SerializableFunctions.identity()); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| RowCoder rowCoder = (RowCoder) o; |
| return schema.equals(rowCoder.schema); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(schema); |
| } |
| } |