sql/connector/JavaSimpleScanBuilder.java

0001 /*
0002  * Licensed to the Apache Software Foundation (ASF) under one or more
0003  * contributor license agreements.  See the NOTICE file distributed with
0004  * this work for additional information regarding copyright ownership.
0005  * The ASF licenses this file to You under the Apache License, Version 2.0
0006  * (the "License"); you may not use this file except in compliance with
0007  * the License.  You may obtain a copy of the License at
0008  *
0009  *    http://www.apache.org/licenses/LICENSE-2.0
0010  *
0011  * Unless required by applicable law or agreed to in writing, software
0012  * distributed under the License is distributed on an "AS IS" BASIS,
0013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0014  * See the License for the specific language governing permissions and
0015  * limitations under the License.
0016  */
0017
0018 package test.org.apache.spark.sql.connector;
0019
0020 import org.apache.spark.sql.connector.TestingV2Source;
0021 import org.apache.spark.sql.connector.read.Batch;
0022 import org.apache.spark.sql.connector.read.PartitionReaderFactory;
0023 import org.apache.spark.sql.connector.read.Scan;
0024 import org.apache.spark.sql.connector.read.ScanBuilder;
0025 import org.apache.spark.sql.types.StructType;
0026
0027 abstract class JavaSimpleScanBuilder implements ScanBuilder, Scan, Batch {
0028
0029   @Override
0030   public Scan build() {
0031     return this;
0032   }
0033
0034   @Override
0035   public Batch toBatch() {
0036     return this;
0037   }
0038
0039   @Override
0040   public StructType readSchema() {
0041     return TestingV2Source.schema();
0042   }
0043
0044   @Override
0045   public PartitionReaderFactory createReaderFactory() {
0046     return new JavaSimpleReaderFactory();
0047   }
0048 }