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

Packages that use RecordReader
org.apache.hadoop.mapred.lib |
org.apache.hadoop.mapreduce |
org.apache.hadoop.mapreduce.lib.db |
org.apache.hadoop.mapreduce.lib.input |
org.apache.hadoop.mapreduce.lib.join |

Uses of RecordReader in org.apache.hadoop.mapred.lib

Methods in org.apache.hadoop.mapred.lib that return RecordReader
`RecordReader<K,V>` | `CombineFileInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)`

Uses of RecordReader in org.apache.hadoop.mapreduce

Methods in org.apache.hadoop.mapreduce that return RecordReader
`abstract RecordReader<K,V>` | `InputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)` Create a record reader for a given split.

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

Subclasses of RecordReader in org.apache.hadoop.mapreduce.lib.db
`class` | `DataDrivenDBRecordReader<T extends DBWritable>` A RecordReader that reads records from a SQL table, using data-driven WHERE clause splits.
`class` | `DBRecordReader<T extends DBWritable>` A RecordReader that reads records from a SQL table.
`class` | `MySQLDataDrivenDBRecordReader<T extends DBWritable>` A RecordReader that reads records from a MySQL table via DataDrivenDBRecordReader
`class` | `MySQLDBRecordReader<T extends DBWritable>` A RecordReader that reads records from a MySQL table.
`class` | `OracleDataDrivenDBRecordReader<T extends DBWritable>` A RecordReader that reads records from a Oracle table via DataDrivenDBRecordReader
`class` | `OracleDBRecordReader<T extends DBWritable>` A RecordReader that reads records from an Oracle SQL table.

Methods in org.apache.hadoop.mapreduce.lib.db that return RecordReader
`protected RecordReader<LongWritable,T>` | `DBInputFormat.createDBRecordReader(org.apache.hadoop.mapreduce.lib.db.DBInputFormat.DBInputSplit split, Configuration conf)`
`protected RecordReader<LongWritable,T>` | `DataDrivenDBInputFormat.createDBRecordReader(org.apache.hadoop.mapreduce.lib.db.DBInputFormat.DBInputSplit split, Configuration conf)`
`protected RecordReader<LongWritable,T>` | `OracleDataDrivenDBInputFormat.createDBRecordReader(org.apache.hadoop.mapreduce.lib.db.DBInputFormat.DBInputSplit split, Configuration conf)`
`RecordReader<LongWritable,T>` | `DBInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)` Create a record reader for a given split.

Uses of RecordReader in org.apache.hadoop.mapreduce.lib.input

Subclasses of RecordReader in org.apache.hadoop.mapreduce.lib.input
`class` | `CombineFileRecordReader<K,V>` A generic RecordReader that can hand out different recordReaders for each chunk in a `CombineFileSplit`.
`class` | `KeyValueLineRecordReader` This class treats a line in the input as a key/value pair separated by a separator character.
`class` | `SequenceFileAsTextRecordReader` This class converts the input keys and values to their String forms by calling toString() method.
`class` | `SequenceFileRecordReader<K,V>` An `RecordReader` for `SequenceFile`s.

Fields in org.apache.hadoop.mapreduce.lib.input declared as RecordReader
`protected RecordReader<K,V>` | `CombineFileRecordReader.curReader`

Fields in org.apache.hadoop.mapreduce.lib.input with type parameters of type RecordReader
`protected Class<? extends RecordReader<K,V>>` | `CombineFileRecordReader.rrClass`
`protected Constructor<? extends RecordReader<K,V>>` | `CombineFileRecordReader.rrConstructor`

Methods in org.apache.hadoop.mapreduce.lib.input that return RecordReader
`RecordReader<K,V>` | `SequenceFileInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)`
`RecordReader<LongWritable,Text>` | `TextInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)`
`RecordReader<K,V>` | `SequenceFileInputFilter.createRecordReader(InputSplit split, TaskAttemptContext context)` Create a record reader for the given split
`RecordReader<BytesWritable,BytesWritable>` | `SequenceFileAsBinaryInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)`
`RecordReader<LongWritable,Text>` | `NLineInputFormat.createRecordReader(InputSplit genericSplit, TaskAttemptContext context)`
`RecordReader<Text,Text>` | `KeyValueTextInputFormat.createRecordReader(InputSplit genericSplit, TaskAttemptContext context)`
`abstract RecordReader<K,V>` | `CombineFileInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)` This is not implemented yet.
`RecordReader<Text,Text>` | `SequenceFileAsTextInputFormat.createRecordReader(InputSplit split, TaskAttemptContext context)`

Constructor parameters in org.apache.hadoop.mapreduce.lib.input with type arguments of type RecordReader
`CombineFileRecordReader(CombineFileSplit split, TaskAttemptContext context, Class<? extends RecordReader<K,V>> rrClass)` A generic RecordReader that can hand out different recordReaders for each chunk in the CombineFileSplit.

Uses of RecordReader in org.apache.hadoop.mapreduce.lib.join

Subclasses of RecordReader in org.apache.hadoop.mapreduce.lib.join
`class` | `ComposableRecordReader<K extends WritableComparable<?>,V extends Writable>` Additional operations required of a RecordReader to participate in a join.
`class` | `CompositeRecordReader<K extends WritableComparable<?>,V extends Writable,X extends Writable>` A RecordReader that can effect joins of RecordReaders sharing a common key type and partitioning.
`class` | `InnerJoinRecordReader<K extends WritableComparable<?>>` Full inner join.
`class` | `JoinRecordReader<K extends WritableComparable<?>>` Base class for Composite joins returning Tuples of arbitrary Writables.
`class` | `MultiFilterRecordReader<K extends WritableComparable<?>,V extends Writable>` Base class for Composite join returning values derived from multiple sources, but generally not tuples.
`class` | `OuterJoinRecordReader<K extends WritableComparable<?>>` Full outer join.
`class` | `OverrideRecordReader<K extends WritableComparable<?>,V extends Writable>` Prefer the "rightmost" data source for this key.
`class` | `WrappedRecordReader<K extends WritableComparable<?>,U extends Writable>` Proxy class for a RecordReader participating in the join framework.

Methods in org.apache.hadoop.mapreduce.lib.join that return RecordReader
`RecordReader<K,TupleWritable>` | `CompositeInputFormat.createRecordReader(InputSplit split, TaskAttemptContext taskContext)` Construct a CompositeRecordReader for the children of this InputFormat as defined in the init expression.

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