Uses of Class org.apache.hadoop.mapreduce.RecordWriter (Hadoop 1.2.1 API)
Date: 2013-07-22

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## Uses of Class
org.apache.hadoop.mapreduce.RecordWriter

Packages that use RecordWriter
org.apache.hadoop.mapred | A software framework for easily writing applications which process vast amounts of data (multi-terabyte data-sets) parallelly on large clusters (thousands of nodes) built of commodity hardware in a reliable, fault-tolerant manner.
org.apache.hadoop.mapreduce |
org.apache.hadoop.mapreduce.lib.db |
org.apache.hadoop.mapreduce.lib.output |

Uses of RecordWriter in org.apache.hadoop.mapred

Methods in org.apache.hadoop.mapred with parameters of type RecordWriter
`protected static
`<INKEY,INVALUE,OUTKEY,OUTVALUE> Reducer.Context`
` | `Task.createReduceContext(Reducer<INKEY,INVALUE,OUTKEY,OUTVALUE> reducer, Configuration job, TaskAttemptID taskId, RawKeyValueIterator rIter, Counter inputKeyCounter, Counter inputValueCounter, RecordWriter<OUTKEY,OUTVALUE> output, OutputCommitter committer, StatusReporter reporter, RawComparator<INKEY> comparator, Class<INKEY> keyClass, Class<INVALUE> valueClass)`

Uses of RecordWriter in org.apache.hadoop.mapreduce

Methods in org.apache.hadoop.mapreduce that return RecordWriter
`abstract RecordWriter<K,V>` | `OutputFormat.getRecordWriter(TaskAttemptContext context)` Get the `RecordWriter` for the given task.

Constructors in org.apache.hadoop.mapreduce with parameters of type RecordWriter
`MapContext(Configuration conf, TaskAttemptID taskid, RecordReader<KEYIN,VALUEIN> reader, RecordWriter<KEYOUT,VALUEOUT> writer, OutputCommitter committer, StatusReporter reporter, InputSplit split)`
`Mapper.Context(Configuration conf, TaskAttemptID taskid, RecordReader<KEYIN,VALUEIN> reader, RecordWriter<KEYOUT,VALUEOUT> writer, OutputCommitter committer, StatusReporter reporter, InputSplit split)`
`ReduceContext(Configuration conf, TaskAttemptID taskid, RawKeyValueIterator input, Counter inputKeyCounter, Counter inputValueCounter, RecordWriter<KEYOUT,VALUEOUT> output, OutputCommitter committer, StatusReporter reporter, RawComparator<KEYIN> comparator, Class<KEYIN> keyClass, Class<VALUEIN> valueClass)`
`Reducer.Context(Configuration conf, TaskAttemptID taskid, RawKeyValueIterator input, Counter inputKeyCounter, Counter inputValueCounter, RecordWriter<KEYOUT,VALUEOUT> output, OutputCommitter committer, StatusReporter reporter, RawComparator<KEYIN> comparator, Class<KEYIN> keyClass, Class<VALUEIN> valueClass)`
`TaskInputOutputContext(Configuration conf, TaskAttemptID taskid, RecordWriter<KEYOUT,VALUEOUT> output, OutputCommitter committer, StatusReporter reporter)`

Uses of RecordWriter in org.apache.hadoop.mapreduce.lib.db

Subclasses of RecordWriter in org.apache.hadoop.mapreduce.lib.db
`class` | `DBOutputFormat.DBRecordWriter` A RecordWriter that writes the reduce output to a SQL table

Methods in org.apache.hadoop.mapreduce.lib.db that return RecordWriter
`RecordWriter<K,V>` | `DBOutputFormat.getRecordWriter(TaskAttemptContext context)` Get the `RecordWriter` for the given task.

Uses of RecordWriter in org.apache.hadoop.mapreduce.lib.output

Subclasses of RecordWriter in org.apache.hadoop.mapreduce.lib.output
`static class` | `FilterOutputFormat.FilterRecordWriter<K,V>` `FilterRecordWriter` is a convenience wrapper class that extends the `RecordWriter`.
`protected static class` | `TextOutputFormat.LineRecordWriter<K,V>`

Fields in org.apache.hadoop.mapreduce.lib.output declared as RecordWriter
`protected RecordWriter<K,V>` | `FilterOutputFormat.FilterRecordWriter.rawWriter`

Methods in org.apache.hadoop.mapreduce.lib.output that return RecordWriter
`abstract RecordWriter<K,V>` | `FileOutputFormat.getRecordWriter(TaskAttemptContext job)`
`RecordWriter<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryOutputFormat.getRecordWriter(TaskAttemptContext context)`
`RecordWriter<K,V>` | `FilterOutputFormat.getRecordWriter(TaskAttemptContext context)`
`RecordWriter<K,V>` | `LazyOutputFormat.getRecordWriter(TaskAttemptContext context)`
`RecordWriter<K,V>` | `SequenceFileOutputFormat.getRecordWriter(TaskAttemptContext context)`
`RecordWriter<K,V>` | `TextOutputFormat.getRecordWriter(TaskAttemptContext job)`
`RecordWriter<K,V>` | `NullOutputFormat.getRecordWriter(TaskAttemptContext context)`

Constructors in org.apache.hadoop.mapreduce.lib.output with parameters of type RecordWriter
`FilterOutputFormat.FilterRecordWriter(RecordWriter<K,V> rwriter)`

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