org.apache.lucene.codecs.pulsing
Class PulsingPostingsWriter
java.lang.Object
org.apache.lucene.codecs.PostingsConsumer
org.apache.lucene.codecs.PostingsWriterBase
org.apache.lucene.codecs.pulsing.PulsingPostingsWriter
- All Implemented Interfaces:
- Closeable
public final class PulsingPostingsWriter
- extends PostingsWriterBase
Writer for the pulsing format.
Wraps another postings implementation and decides
(based on total number of occurrences), whether a terms
postings should be inlined into the term dictionary,
or passed through to the wrapped writer.
- WARNING: This API is experimental and might change in incompatible ways in the next release.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
PulsingPostingsWriter
public PulsingPostingsWriter(SegmentWriteState state,
int maxPositions,
PostingsWriterBase wrappedPostingsWriter)
- If the total number of positions (summed across all docs
for this term) is <= maxPositions, then the postings are
inlined into terms dict
init
public void init(IndexOutput termsOut)
throws IOException
- Specified by:
init
in class PostingsWriterBase
- Throws:
IOException
newTermState
public BlockTermState newTermState()
throws IOException
- Specified by:
newTermState
in class PostingsWriterBase
- Throws:
IOException
startTerm
public void startTerm()
- Specified by:
startTerm
in class PostingsWriterBase
setField
public int setField(FieldInfo fieldInfo)
- Specified by:
setField
in class PostingsWriterBase
startDoc
public void startDoc(int docID,
int termDocFreq)
throws IOException
- Specified by:
startDoc
in class PostingsConsumer
- Throws:
IOException
addPosition
public void addPosition(int position,
BytesRef payload,
int startOffset,
int endOffset)
throws IOException
- Specified by:
addPosition
in class PostingsConsumer
- Throws:
IOException
finishDoc
public void finishDoc()
throws IOException
- Specified by:
finishDoc
in class PostingsConsumer
- Throws:
IOException
finishTerm
public void finishTerm(BlockTermState _state)
throws IOException
- Called when we are done adding docs to this term
- Specified by:
finishTerm
in class PostingsWriterBase
- Throws:
IOException
encodeTerm
public void encodeTerm(long[] empty,
DataOutput out,
FieldInfo fieldInfo,
BlockTermState _state,
boolean absolute)
throws IOException
- Specified by:
encodeTerm
in class PostingsWriterBase
- Throws:
IOException
close
public void close()
throws IOException
- Specified by:
close
in interface Closeable
- Specified by:
close
in class PostingsWriterBase
- Throws:
IOException
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