org.apache.hcatalog.rcfile
Class RCFileMapReduceRecordReader<K extends org.apache.hadoop.io.LongWritable,V extends org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
java.lang.Object
org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
org.apache.hcatalog.rcfile.RCFileMapReduceRecordReader<K,V>
- All Implemented Interfaces:
- java.io.Closeable
public class RCFileMapReduceRecordReader<K extends org.apache.hadoop.io.LongWritable,V extends org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
- extends org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
RCFileMapReduceRecordReader
public RCFileMapReduceRecordReader()
close
public void close()
throws java.io.IOException
- Specified by:
close
in interface java.io.Closeable
- Specified by:
close
in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
- Throws:
java.io.IOException
getCurrentKey
public org.apache.hadoop.io.LongWritable getCurrentKey()
throws java.io.IOException,
java.lang.InterruptedException
- Specified by:
getCurrentKey
in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
- Throws:
java.io.IOException
java.lang.InterruptedException
getCurrentValue
public org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable getCurrentValue()
throws java.io.IOException,
java.lang.InterruptedException
- Specified by:
getCurrentValue
in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
- Throws:
java.io.IOException
java.lang.InterruptedException
getProgress
public float getProgress()
throws java.io.IOException,
java.lang.InterruptedException
- Specified by:
getProgress
in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
- Throws:
java.io.IOException
java.lang.InterruptedException
nextKeyValue
public boolean nextKeyValue()
throws java.io.IOException,
java.lang.InterruptedException
- Specified by:
nextKeyValue
in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
- Throws:
java.io.IOException
java.lang.InterruptedException
initialize
public void initialize(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context)
throws java.io.IOException,
java.lang.InterruptedException
- Specified by:
initialize
in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.LongWritable,org.apache.hadoop.hive.serde2.columnar.BytesRefArrayWritable>
- Throws:
java.io.IOException
java.lang.InterruptedException