org.apache.lucene.codecs.lucene40
Class Lucene40NormsFormat.Lucene40NormsDocValuesConsumer

java.lang.Object
  org.apache.lucene.codecs.PerDocConsumer
      org.apache.lucene.codecs.lucene40.values.DocValuesWriterBase
          org.apache.lucene.codecs.lucene40.Lucene40DocValuesConsumer
              org.apache.lucene.codecs.lucene40.Lucene40NormsFormat.Lucene40NormsDocValuesConsumer

All Implemented Interfaces:

Closeable

Enclosing class:

Lucene40NormsFormat

public static class Lucene40NormsFormat.Lucene40NormsDocValuesConsumer
extends Lucene40DocValuesConsumer

Lucene 4.0 PerDocConsumer implementation that uses compound file.

See Also:

Lucene40DocValuesFormat

WARNING: This API is experimental and might change in incompatible ways in the next release.

Field Summary

Fields inherited from class org.apache.lucene.codecs.lucene40.Lucene40DocValuesConsumer

DOC_VALUES_SEGMENT_SUFFIX

Fields inherited from class org.apache.lucene.codecs.lucene40.values.DocValuesWriterBase

context, DATA_EXTENSION, INDEX_EXTENSION, segmentName

Constructor Summary

Lucene40NormsFormat.Lucene40NormsDocValuesConsumer(PerDocWriteState state, String segmentSuffix)
Sole constructor.

Method Summary

protected boolean	canMerge(FieldInfo info) Returns true iff the given field can be merged ie.
protected DocValues	getDocValuesForMerge(AtomicReader reader, FieldInfo info) Returns a DocValues instance for merging from the given reader for the given FieldInfo.
protected DocValues.Type	getDocValuesType(FieldInfo info) Returns the DocValues DocValues.Type for the given FieldInfo.

Methods inherited from class org.apache.lucene.codecs.lucene40.Lucene40DocValuesConsumer

abort, close, getDirectory

Methods inherited from class org.apache.lucene.codecs.lucene40.values.DocValuesWriterBase

addValuesField, getComparator

Methods inherited from class org.apache.lucene.codecs.PerDocConsumer

merge

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Lucene40NormsFormat.Lucene40NormsDocValuesConsumer

public Lucene40NormsFormat.Lucene40NormsDocValuesConsumer(PerDocWriteState state,
                                                          String segmentSuffix)

Sole constructor.

Method Detail

getDocValuesForMerge

protected DocValues getDocValuesForMerge(AtomicReader reader,
                                         FieldInfo info)
                                  throws IOException

Description copied from class: PerDocConsumer

Returns a DocValues instance for merging from the given reader for the given FieldInfo. This method is used for merging and uses AtomicReader.docValues(String) by default.

To enable DocValues merging for different DocValues than the default override this method accordingly.

Overrides:

getDocValuesForMerge in class PerDocConsumer

Throws:

IOException

canMerge

protected boolean canMerge(FieldInfo info)

Description copied from class: PerDocConsumer

Returns true iff the given field can be merged ie. has DocValues. By default this method uses FieldInfo.hasDocValues().

To enable DocValues merging for different DocValues than the default override this method accordingly.

Overrides:

canMerge in class PerDocConsumer

getDocValuesType

protected DocValues.Type getDocValuesType(FieldInfo info)

Description copied from class: PerDocConsumer

Returns the DocValues DocValues.Type for the given FieldInfo. By default this method uses FieldInfo.getDocValuesType().

To enable DocValues merging for different DocValues than the default override this method accordingly.

Overrides:

getDocValuesType in class PerDocConsumer