org.apache.lucene.codecs.lucene40
Class Lucene40StoredFieldsFormat

java.lang.Object
  extended by org.apache.lucene.codecs.StoredFieldsFormat
      extended by org.apache.lucene.codecs.lucene40.Lucene40StoredFieldsFormat

public class Lucene40StoredFieldsFormat
extends StoredFieldsFormat

Lucene 4.0 Stored Fields Format.

Stored fields are represented by two files:

  1. The field index, or .fdx file.

    This is used to find the location within the field data file of the fields of a particular document. Because it contains fixed-length data, this file may be easily randomly accessed. The position of document n 's field data is the Uint64 at n*8 in this file.

    This contains, for each document, a pointer to its field data, as follows:

  2. The field data, or .fdt file.

    This contains the stored fields of each document, as follows:

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

Constructor Summary
Lucene40StoredFieldsFormat()
          Sole constructor.
 
Method Summary
 StoredFieldsReader fieldsReader(Directory directory, SegmentInfo si, FieldInfos fn, IOContext context)
          Returns a StoredFieldsReader to load stored fields.
 StoredFieldsWriter fieldsWriter(Directory directory, SegmentInfo si, IOContext context)
          Returns a StoredFieldsWriter to write stored fields.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Lucene40StoredFieldsFormat

public Lucene40StoredFieldsFormat()
Sole constructor.

Method Detail

fieldsReader

public StoredFieldsReader fieldsReader(Directory directory,
                                       SegmentInfo si,
                                       FieldInfos fn,
                                       IOContext context)
                                throws IOException
Description copied from class: StoredFieldsFormat
Returns a StoredFieldsReader to load stored fields.

Specified by:
fieldsReader in class StoredFieldsFormat
Throws:
IOException

fieldsWriter

public StoredFieldsWriter fieldsWriter(Directory directory,
                                       SegmentInfo si,
                                       IOContext context)
                                throws IOException
Description copied from class: StoredFieldsFormat
Returns a StoredFieldsWriter to write stored fields.

Specified by:
fieldsWriter in class StoredFieldsFormat
Throws:
IOException


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