rodmeneses commented on code in PR #10151: URL: https://github.com/apache/iceberg/pull/10151#discussion_r1571092822
########## flink/v1.18/flink/src/main/java/org/apache/iceberg/flink/FlinkInputFile.java: ########## @@ -0,0 +1,179 @@ +/* + * 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.iceberg.flink; + +import java.io.FileNotFoundException; +import java.io.IOException; +import java.io.InputStream; +import java.io.UncheckedIOException; +import java.util.Arrays; +import org.apache.flink.core.fs.FSDataInputStream; +import org.apache.flink.core.fs.FileStatus; +import org.apache.flink.core.fs.FileSystem; +import org.apache.flink.core.fs.Path; +import org.apache.iceberg.encryption.NativeFileCryptoParameters; +import org.apache.iceberg.encryption.NativelyEncryptedFile; +import org.apache.iceberg.exceptions.NotFoundException; +import org.apache.iceberg.io.DelegatingInputStream; +import org.apache.iceberg.io.InputFile; +import org.apache.iceberg.io.SeekableInputStream; +import org.apache.iceberg.relocated.com.google.common.base.Joiner; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class FlinkInputFile implements InputFile, NativelyEncryptedFile { + private static final Logger LOG = LoggerFactory.getLogger(FlinkInputFile.class); + + private final Path path; + private final FileSystem fs; + private FileStatus stat = null; + private Long length = null; + private NativeFileCryptoParameters nativeDecryptionParameters; + + public FlinkInputFile(Path path) { + this.path = path; + try { + this.fs = path.getFileSystem(); + } catch (IOException e) { + throw new UncheckedIOException( + String.format("Failed to get file system for path: %s", path), e); + } + } + + public FlinkInputFile(Path path, long length) { + this(path); + this.length = length; + } + + @Override + public long getLength() { + if (length == null) { + this.length = lazyStat().getLen(); + } + + return length; + } + + @Override + public SeekableInputStream newStream() { + try { + return new FlinkSeekableInputStream(path.getFileSystem().open(path)); + } catch (FileNotFoundException e) { + throw new NotFoundException(e, "Failed to open input stream for file: %s", path); + } catch (IOException e) { + throw new UncheckedIOException( + String.format("Failed to open input stream for file: %s", path), e); + } + } + + @Override + public String location() { + return path.toString(); + } + + @Override + public boolean exists() { + try { + return lazyStat() != null; + } catch (NotFoundException e) { + return false; + } + } + + private FileStatus lazyStat() { + if (stat == null) { Review Comment: do we need to synchronize here? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
