Package org.apache.lucene.backward_codecs.packed

Class LegacyDirectMonotonicReader

java.lang.Object

org.apache.lucene.util.LongValues

org.apache.lucene.backward_codecs.packed.LegacyDirectMonotonicReader

All Implemented Interfaces:

Accountable

public final class LegacyDirectMonotonicReader
extends LongValues
implements Accountable

Retrieves an instance previously written by LegacyDirectMonotonicWriter.

See Also:

LegacyDirectMonotonicWriter

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	LegacyDirectMonotonicReader.Meta	In-memory metadata that needs to be kept around for LegacyDirectMonotonicReader to read data from disk.

Field Summary

Fields inherited from class org.apache.lucene.util.LongValues

IDENTITY, ZEROES

Fields inherited from interface org.apache.lucene.util.Accountable

NULL_ACCOUNTABLE

Method Summary

Modifier and Type	Method	Description
long	binarySearch(long fromIndex, long toIndex, long key)	Return the index of a key if it exists, or its insertion point otherwise like Arrays.binarySearch(long[], int, int, long).
long	get(long index)
static LegacyDirectMonotonicReader	getInstance(LegacyDirectMonotonicReader.Meta meta, RandomAccessInput data)	Retrieves an instance from the specified slice.
static LegacyDirectMonotonicReader.Meta	loadMeta(IndexInput metaIn, long numValues, int blockShift)	Load metadata from the given IndexInput.
long	ramBytesUsed()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.util.Accountable

getChildResources

Method Detail

loadMeta

public static LegacyDirectMonotonicReader.Meta loadMeta(IndexInput metaIn,
                                                        long numValues,
                                                        int blockShift)
                                                 throws IOException

Load metadata from the given IndexInput.

Throws:

IOException

See Also:

getInstance(Meta, RandomAccessInput)

getInstance

public static LegacyDirectMonotonicReader getInstance(LegacyDirectMonotonicReader.Meta meta,
                                                      RandomAccessInput data)
                                               throws IOException

Retrieves an instance from the specified slice.

Throws:

IOException

get

public long get(long index)

Specified by:

get in class LongValues

binarySearch

public long binarySearch(long fromIndex,
                         long toIndex,
                         long key)

Return the index of a key if it exists, or its insertion point otherwise like Arrays.binarySearch(long[], int, int, long).

See Also:

Arrays.binarySearch(long[], int, int, long)

ramBytesUsed

public long ramBytesUsed()

Specified by:

ramBytesUsed in interface Accountable