public final class Lucene84PostingsReader extends PostingsReaderBase
Modifier and Type | Class and Description |
---|---|
(package private) class |
Lucene84PostingsReader.BlockDocsEnum |
(package private) class |
Lucene84PostingsReader.BlockImpactsDocsEnum |
(package private) class |
Lucene84PostingsReader.BlockImpactsEverythingEnum |
(package private) class |
Lucene84PostingsReader.BlockImpactsPostingsEnum |
(package private) class |
Lucene84PostingsReader.EverythingEnum |
Modifier and Type | Field and Description |
---|---|
private static long |
BASE_RAM_BYTES_USED |
private IndexInput |
docIn |
private IndexInput |
payIn |
private IndexInput |
posIn |
private int |
version |
Constructor and Description |
---|
Lucene84PostingsReader(SegmentReadState state)
Sole constructor.
|
Modifier and Type | Method and Description |
---|---|
void |
checkIntegrity()
Checks consistency of this reader.
|
void |
close() |
void |
decodeTerm(long[] longs,
DataInput in,
FieldInfo fieldInfo,
BlockTermState _termState,
boolean absolute)
Actually decode metadata for next term
|
(package private) static int |
findFirstGreater(long[] buffer,
int target,
int from) |
ImpactsEnum |
impacts(FieldInfo fieldInfo,
BlockTermState state,
int flags)
Return a
ImpactsEnum that computes impacts with scorer . |
void |
init(IndexInput termsIn,
SegmentReadState state)
Performs any initialization, such as reading and
verifying the header from the provided terms
dictionary
IndexInput . |
BlockTermState |
newTermState()
Return a newly created empty TermState
|
PostingsEnum |
postings(FieldInfo fieldInfo,
BlockTermState termState,
PostingsEnum reuse,
int flags)
Must fully consume state, since after this call that
TermState may be reused.
|
(package private) static void |
prefixSum(long[] buffer,
int count,
long base) |
long |
ramBytesUsed()
Return the memory usage of this object in bytes.
|
(package private) static void |
readVIntBlock(IndexInput docIn,
long[] docBuffer,
long[] freqBuffer,
int num,
boolean indexHasFreq)
Read values that have been written using variable-length encoding instead of bit-packing.
|
java.lang.String |
toString() |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
getChildResources
private static final long BASE_RAM_BYTES_USED
private final IndexInput docIn
private final IndexInput posIn
private final IndexInput payIn
private final int version
public Lucene84PostingsReader(SegmentReadState state) throws java.io.IOException
java.io.IOException
public void init(IndexInput termsIn, SegmentReadState state) throws java.io.IOException
PostingsReaderBase
IndexInput
.init
in class PostingsReaderBase
java.io.IOException
static void readVIntBlock(IndexInput docIn, long[] docBuffer, long[] freqBuffer, int num, boolean indexHasFreq) throws java.io.IOException
java.io.IOException
static void prefixSum(long[] buffer, int count, long base)
static int findFirstGreater(long[] buffer, int target, int from)
public BlockTermState newTermState()
PostingsReaderBase
newTermState
in class PostingsReaderBase
public void close() throws java.io.IOException
close
in interface java.io.Closeable
close
in interface java.lang.AutoCloseable
close
in class PostingsReaderBase
java.io.IOException
public void decodeTerm(long[] longs, DataInput in, FieldInfo fieldInfo, BlockTermState _termState, boolean absolute) throws java.io.IOException
PostingsReaderBase
decodeTerm
in class PostingsReaderBase
java.io.IOException
PostingsWriterBase.encodeTerm(long[], org.apache.lucene.store.DataOutput, org.apache.lucene.index.FieldInfo, org.apache.lucene.codecs.BlockTermState, boolean)
public PostingsEnum postings(FieldInfo fieldInfo, BlockTermState termState, PostingsEnum reuse, int flags) throws java.io.IOException
PostingsReaderBase
postings
in class PostingsReaderBase
java.io.IOException
public ImpactsEnum impacts(FieldInfo fieldInfo, BlockTermState state, int flags) throws java.io.IOException
PostingsReaderBase
ImpactsEnum
that computes impacts with scorer
.impacts
in class PostingsReaderBase
java.io.IOException
PostingsReaderBase.postings(FieldInfo, BlockTermState, PostingsEnum, int)
public long ramBytesUsed()
Accountable
public void checkIntegrity() throws java.io.IOException
PostingsReaderBase
Note that this may be costly in terms of I/O, e.g. may involve computing a checksum value against large data files.
checkIntegrity
in class PostingsReaderBase
java.io.IOException
public java.lang.String toString()
toString
in class java.lang.Object