| /* |
| * 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.seatunnel.connectors.seatunnel.file.source; |
| |
| import org.apache.seatunnel.api.source.Boundedness; |
| import org.apache.seatunnel.api.source.SeaTunnelSource; |
| import org.apache.seatunnel.api.source.SourceReader; |
| import org.apache.seatunnel.api.source.SourceSplitEnumerator; |
| import org.apache.seatunnel.api.table.type.SeaTunnelDataType; |
| import org.apache.seatunnel.api.table.type.SeaTunnelRow; |
| import org.apache.seatunnel.api.table.type.SeaTunnelRowType; |
| import org.apache.seatunnel.connectors.seatunnel.file.config.HadoopConf; |
| import org.apache.seatunnel.connectors.seatunnel.file.source.reader.ReadStrategy; |
| import org.apache.seatunnel.connectors.seatunnel.file.source.split.FileSourceSplit; |
| import org.apache.seatunnel.connectors.seatunnel.file.source.split.FileSourceSplitEnumerator; |
| import org.apache.seatunnel.connectors.seatunnel.file.source.state.FileSourceState; |
| |
| import java.util.List; |
| |
| public abstract class BaseFileSource implements SeaTunnelSource<SeaTunnelRow, FileSourceSplit, FileSourceState> { |
| protected SeaTunnelRowType rowType; |
| protected ReadStrategy readStrategy; |
| protected HadoopConf hadoopConf; |
| protected List<String> filePaths; |
| |
| @Override |
| public Boundedness getBoundedness() { |
| return Boundedness.BOUNDED; |
| } |
| |
| @Override |
| public SeaTunnelDataType<SeaTunnelRow> getProducedType() { |
| return rowType; |
| } |
| |
| @Override |
| public SourceReader<SeaTunnelRow, FileSourceSplit> createReader(SourceReader.Context readerContext) throws Exception { |
| return new BaseFileSourceReader(readStrategy, hadoopConf, readerContext); |
| } |
| |
| @Override |
| public SourceSplitEnumerator<FileSourceSplit, FileSourceState> createEnumerator(SourceSplitEnumerator.Context<FileSourceSplit> enumeratorContext) throws Exception { |
| return new FileSourceSplitEnumerator(enumeratorContext, filePaths); |
| } |
| |
| @Override |
| public SourceSplitEnumerator<FileSourceSplit, FileSourceState> restoreEnumerator(SourceSplitEnumerator.Context<FileSourceSplit> enumeratorContext, FileSourceState checkpointState) throws Exception { |
| return new FileSourceSplitEnumerator(enumeratorContext, filePaths, checkpointState); |
| } |
| } |