org.apache.mahout.text
Class LuceneSegmentInputSplit
java.lang.Object
org.apache.hadoop.mapreduce.InputSplit
org.apache.mahout.text.LuceneSegmentInputSplit
- All Implemented Interfaces:
- org.apache.hadoop.io.Writable
public class LuceneSegmentInputSplit
- extends org.apache.hadoop.mapreduce.InputSplit
- implements org.apache.hadoop.io.Writable
InputSplit
implementation that represents a Lucene segment.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
LuceneSegmentInputSplit
public LuceneSegmentInputSplit()
LuceneSegmentInputSplit
public LuceneSegmentInputSplit(org.apache.hadoop.fs.Path indexPath,
String segmentInfoName,
long length)
getLength
public long getLength()
throws IOException,
InterruptedException
- Specified by:
getLength
in class org.apache.hadoop.mapreduce.InputSplit
- Throws:
IOException
InterruptedException
getLocations
public String[] getLocations()
throws IOException,
InterruptedException
- Specified by:
getLocations
in class org.apache.hadoop.mapreduce.InputSplit
- Throws:
IOException
InterruptedException
getSegmentInfoName
public String getSegmentInfoName()
getIndexPath
public org.apache.hadoop.fs.Path getIndexPath()
write
public void write(DataOutput out)
throws IOException
- Specified by:
write
in interface org.apache.hadoop.io.Writable
- Throws:
IOException
readFields
public void readFields(DataInput in)
throws IOException
- Specified by:
readFields
in interface org.apache.hadoop.io.Writable
- Throws:
IOException
getSegment
public org.apache.lucene.index.SegmentCommitInfo getSegment(org.apache.hadoop.conf.Configuration configuration)
throws IOException
- Get the
SegmentInfo
of this InputSplit
via the given Configuration
- Parameters:
configuration
- the configuration used to locate the index
- Returns:
- the segment info or throws exception if not found
- Throws:
IOException
- if an error occurs when accessing the directory
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