davisusanibar commented on code in PR #316:
URL: https://github.com/apache/arrow-cookbook/pull/316#discussion_r1326133556
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java/source/io.rst:
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@@ -263,6 +263,93 @@ Write - Out to Buffer
Number of rows written: 3
+Write Parquet Files
+*******************
+
+Let's read an Arrow file and populate that data into a Parquet file.
+
+.. testcode::
+
+ import java.io.IOException;
+ import java.nio.file.DirectoryStream;
+ import java.nio.file.Files;
+ import java.nio.file.Path;
+ import java.nio.file.Paths;
+
+ import org.apache.arrow.dataset.file.DatasetFileWriter;
+ import org.apache.arrow.dataset.file.FileFormat;
+ import org.apache.arrow.dataset.file.FileSystemDatasetFactory;
+ import org.apache.arrow.dataset.jni.NativeMemoryPool;
+ import org.apache.arrow.dataset.scanner.ScanOptions;
+ import org.apache.arrow.dataset.scanner.Scanner;
+ import org.apache.arrow.dataset.source.Dataset;
+ import org.apache.arrow.dataset.source.DatasetFactory;
+ import org.apache.arrow.memory.BufferAllocator;
+ import org.apache.arrow.memory.RootAllocator;
+ import org.apache.arrow.vector.ipc.ArrowFileReader;
+ import org.apache.arrow.vector.ipc.ArrowReader;
+ import org.apache.arrow.vector.ipc.SeekableReadChannel;
+ import org.apache.arrow.vector.util.ByteArrayReadableSeekableByteChannel;
+
+ // read arrow demo data
+ Path uriRead =
Paths.get("./thirdpartydeps/arrowfiles/random_access.arrow");
Review Comment:
Added
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