@InterfaceAudience.Public @InterfaceStability.Stable public class MapFileOutputFormat extends FileOutputFormat<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable>
OutputFormat that writes MapFiles.FileOutputFormat.Counter| Constructor and Description |
|---|
MapFileOutputFormat() |
| Modifier and Type | Method and Description |
|---|---|
static <K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable> |
getEntry(org.apache.hadoop.io.MapFile.Reader[] readers,
Partitioner<K,V> partitioner,
K key,
V value)
Get an entry from output generated by this class.
|
static org.apache.hadoop.io.MapFile.Reader[] |
getReaders(org.apache.hadoop.fs.FileSystem ignored,
org.apache.hadoop.fs.Path dir,
org.apache.hadoop.conf.Configuration conf)
Open the output generated by this format.
|
RecordWriter<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable> |
getRecordWriter(org.apache.hadoop.fs.FileSystem ignored,
JobConf job,
String name,
org.apache.hadoop.util.Progressable progress)
Get the
RecordWriter for the given job. |
checkOutputSpecs, getCompressOutput, getOutputCompressorClass, getOutputPath, getPathForCustomFile, getTaskOutputPath, getUniqueName, getWorkOutputPath, setCompressOutput, setOutputCompressorClass, setOutputPath, setWorkOutputPathpublic RecordWriter<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable> getRecordWriter(org.apache.hadoop.fs.FileSystem ignored, JobConf job, String name, org.apache.hadoop.util.Progressable progress) throws IOException
OutputFormatRecordWriter for the given job.getRecordWriter in interface OutputFormat<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable>getRecordWriter in class FileOutputFormat<org.apache.hadoop.io.WritableComparable,org.apache.hadoop.io.Writable>job - configuration for the job whose output is being written.name - the unique name for this part of the output.progress - mechanism for reporting progress while writing to file.RecordWriter to write the output for the job.IOExceptionpublic static org.apache.hadoop.io.MapFile.Reader[] getReaders(org.apache.hadoop.fs.FileSystem ignored,
org.apache.hadoop.fs.Path dir,
org.apache.hadoop.conf.Configuration conf)
throws IOException
IOExceptionpublic static <K extends org.apache.hadoop.io.WritableComparable,V extends org.apache.hadoop.io.Writable> org.apache.hadoop.io.Writable getEntry(org.apache.hadoop.io.MapFile.Reader[] readers,
Partitioner<K,V> partitioner,
K key,
V value)
throws IOException
IOExceptionCopyright © 2022 Apache Software Foundation. All rights reserved.