org.apache.lucene.codecs.memory
Class MemoryDocValuesFormat

java.lang.Object
  org.apache.lucene.codecs.DocValuesFormat
      org.apache.lucene.codecs.memory.MemoryDocValuesFormat

All Implemented Interfaces:

NamedSPILoader.NamedSPI

public class MemoryDocValuesFormat
extends DocValuesFormat

In-memory docvalues format

Field Summary

static int

MAX_BINARY_FIELD_LENGTH Maximum length for each binary doc values field.

Constructor Summary

MemoryDocValuesFormat()
Calls MemoryDocValuesFormat(PackedInts.DEFAULT)

MemoryDocValuesFormat(float acceptableOverheadRatio)
Creates a new MemoryDocValuesFormat with the specified acceptableOverheadRatio for NumericDocValues.

Method Summary

DocValuesConsumer	fieldsConsumer(SegmentWriteState state)
DocValuesProducer	fieldsProducer(SegmentReadState state)

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

availableDocValuesFormats, forName, getName, reloadDocValuesFormats, toString

Methods inherited from class java.lang.Object

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

Field Detail

MAX_BINARY_FIELD_LENGTH

public static final int MAX_BINARY_FIELD_LENGTH

Maximum length for each binary doc values field.

See Also:

Constant Field Values

Constructor Detail

MemoryDocValuesFormat

public MemoryDocValuesFormat()

Calls MemoryDocValuesFormat(PackedInts.DEFAULT)

MemoryDocValuesFormat

public MemoryDocValuesFormat(float acceptableOverheadRatio)

Creates a new MemoryDocValuesFormat with the specified acceptableOverheadRatio for NumericDocValues.

Parameters:

acceptableOverheadRatio - compression parameter for numerics. Currently this is only used when the number of unique values is small.

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

Method Detail

fieldsConsumer

public DocValuesConsumer fieldsConsumer(SegmentWriteState state)
                                 throws IOException

Specified by:

fieldsConsumer in class DocValuesFormat

Throws:

IOException

fieldsProducer

public DocValuesProducer fieldsProducer(SegmentReadState state)
                                 throws IOException

Specified by:

fieldsProducer in class DocValuesFormat

Throws:

IOException