Package org.apache.lucene.codecs.memory
Class FSTOrdTermsReader.TermsReader.IntersectTermsEnum
- java.lang.Object
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- org.apache.lucene.index.TermsEnum
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- org.apache.lucene.index.BaseTermsEnum
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- org.apache.lucene.codecs.memory.FSTOrdTermsReader.TermsReader.BaseTermsEnum
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- org.apache.lucene.codecs.memory.FSTOrdTermsReader.TermsReader.IntersectTermsEnum
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- All Implemented Interfaces:
BytesRefIterator
- Enclosing class:
- FSTOrdTermsReader.TermsReader
private final class FSTOrdTermsReader.TermsReader.IntersectTermsEnum extends FSTOrdTermsReader.TermsReader.BaseTermsEnum
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Nested Class Summary
Nested Classes Modifier and Type Class Description private class
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame
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Nested classes/interfaces inherited from class org.apache.lucene.index.TermsEnum
TermsEnum.SeekStatus
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Field Summary
Fields Modifier and Type Field Description (package private) boolean
decoded
(package private) ByteRunAutomaton
fsa
(package private) FST<java.lang.Long>
fst
(package private) Outputs<java.lang.Long>
fstOutputs
(package private) FST.BytesReader
fstReader
(package private) int
level
(package private) boolean
pending
(package private) FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame[]
stack
(package private) BytesRefBuilder
term
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Fields inherited from class org.apache.lucene.codecs.memory.FSTOrdTermsReader.TermsReader.BaseTermsEnum
bytesLength, bytesStart, docFreq, longs, metaBlockOrd, metaBytesReader, metaLongsReader, ord, state, statsBlockOrd, statsReader, totalTermFreq
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Constructor Summary
Constructors Constructor Description IntersectTermsEnum(CompiledAutomaton compiled, BytesRef startTerm)
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Method Summary
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Methods inherited from class org.apache.lucene.codecs.memory.FSTOrdTermsReader.TermsReader.BaseTermsEnum
docFreq, impacts, ord, postings, refillMetadata, refillStats, seekExact, termState, totalTermFreq
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Methods inherited from class org.apache.lucene.index.BaseTermsEnum
attributes, seekExact, seekExact
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Field Detail
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term
BytesRefBuilder term
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decoded
boolean decoded
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pending
boolean pending
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stack
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame[] stack
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level
int level
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fst
final FST<java.lang.Long> fst
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fstReader
final FST.BytesReader fstReader
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fstOutputs
final Outputs<java.lang.Long> fstOutputs
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fsa
final ByteRunAutomaton fsa
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Constructor Detail
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IntersectTermsEnum
IntersectTermsEnum(CompiledAutomaton compiled, BytesRef startTerm) throws java.io.IOException
- Throws:
java.io.IOException
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Method Detail
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term
public BytesRef term() throws java.io.IOException
Description copied from class:TermsEnum
Returns current term. Do not call this when the enum is unpositioned.
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decodeMetaData
void decodeMetaData() throws java.io.IOException
Description copied from class:FSTOrdTermsReader.TermsReader.BaseTermsEnum
Let PBF decode metadata- Overrides:
decodeMetaData
in classFSTOrdTermsReader.TermsReader.BaseTermsEnum
- Throws:
java.io.IOException
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decodeStats
void decodeStats() throws java.io.IOException
Description copied from class:FSTOrdTermsReader.TermsReader.BaseTermsEnum
Decodes stats data into term state- Overrides:
decodeStats
in classFSTOrdTermsReader.TermsReader.BaseTermsEnum
- Throws:
java.io.IOException
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seekCeil
public TermsEnum.SeekStatus seekCeil(BytesRef target) throws java.io.IOException
Description copied from class:TermsEnum
Seeks to the specified term, if it exists, or to the next (ceiling) term. Returns SeekStatus to indicate whether exact term was found, a different term was found, or EOF was hit. The target term may be before or after the current term. If this returns SeekStatus.END, the enum is unpositioned.
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next
public BytesRef next() throws java.io.IOException
Description copied from interface:BytesRefIterator
Increments the iteration to the nextBytesRef
in the iterator. Returns the resultingBytesRef
ornull
if the end of the iterator is reached. The returned BytesRef may be re-used across calls to next. After this method returns null, do not call it again: the results are undefined.- Returns:
- the next
BytesRef
in the iterator ornull
if the end of the iterator is reached. - Throws:
java.io.IOException
- If there is a low-level I/O error.
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doSeekCeil
BytesRef doSeekCeil(BytesRef target) throws java.io.IOException
- Throws:
java.io.IOException
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loadVirtualFrame
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame loadVirtualFrame(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame)
Virtual frame, never pop
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loadFirstFrame
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame loadFirstFrame(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame)
Load frame for start arc(node) on fst
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loadExpandFrame
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame loadExpandFrame(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame top, FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame) throws java.io.IOException
Load frame for target arc(node) on fst- Throws:
java.io.IOException
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loadNextFrame
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame loadNextFrame(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame top, FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame) throws java.io.IOException
Load frame for sibling arc(node) on fst- Throws:
java.io.IOException
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loadCeilFrame
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame loadCeilFrame(int label, FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame top, FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame) throws java.io.IOException
Load frame for target arc(node) on fst, so that arc.label >= label and !fsa.reject(arc.label)- Throws:
java.io.IOException
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isAccept
boolean isAccept(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame)
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isValid
boolean isValid(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame)
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canGrow
boolean canGrow(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame)
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canRewind
boolean canRewind(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame)
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pushFrame
void pushFrame(FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame frame)
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popFrame
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame popFrame()
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newFrame
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame newFrame()
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topFrame
FSTOrdTermsReader.TermsReader.IntersectTermsEnum.Frame topFrame()
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grow
BytesRefBuilder grow(int label)
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shrink
BytesRefBuilder shrink()
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