Examples with AvroColumnWriter org.apache.trevni.avro.AvroColumnWriter used on opensource projects

Example 1 with AvroColumnWriter

use of org.apache.trevni.avro.AvroColumnWriter in project trevni by cutting.

the class CreateRandomTool method run.

@Override
public int run(InputStream stdin, PrintStream out, PrintStream err, List<String> args) throws Exception {
    if (args.size() != 3) {
        err.println("Usage: schemaFile count outputFile");
        return 1;
    }
    File schemaFile = new File(args.get(0));
    int count = Integer.parseInt(args.get(1));
    File outputFile = new File(args.get(2));
    Schema schema = Schema.parse(schemaFile);
    AvroColumnWriter<Object> writer = new AvroColumnWriter<Object>(schema, new ColumnFileMetaData());
    for (Object datum : new RandomData(schema, count)) writer.write(datum);
    writer.writeTo(outputFile);
    return 0;
}