final class TermVectorFilteredLeafReader extends FilterLeafReader
Modifier and Type | Class and Description |
---|---|
private static class |
TermVectorFilteredLeafReader.TermsFilteredTerms |
private static class |
TermVectorFilteredLeafReader.TermVectorFilteredTermsEnum |
FilterLeafReader.FilterFields, FilterLeafReader.FilterPostingsEnum, FilterLeafReader.FilterTerms, FilterLeafReader.FilterTermsEnum
IndexReader.CacheHelper, IndexReader.CacheKey, IndexReader.ClosedListener
Modifier and Type | Field and Description |
---|---|
private java.lang.String |
fieldFilter |
private Terms |
filterTerms |
in
Constructor and Description |
---|
TermVectorFilteredLeafReader(LeafReader baseLeafReader,
Terms filterTerms,
java.lang.String fieldFilter)
Construct a FilterLeafReader based on the specified base reader.
|
Modifier and Type | Method and Description |
---|---|
IndexReader.CacheHelper |
getCoreCacheHelper()
Optional method: Return a
IndexReader.CacheHelper that can be used to cache
based on the content of this leaf regardless of deletions. |
IndexReader.CacheHelper |
getReaderCacheHelper()
Optional method: Return a
IndexReader.CacheHelper that can be used to cache
based on the content of this reader. |
Terms |
terms(java.lang.String field)
Returns the
Terms index for this field, or null if it has none. |
checkIntegrity, doClose, document, getBinaryDocValues, getDelegate, getFieldInfos, getLiveDocs, getMetaData, getNormValues, getNumericDocValues, getPointValues, getSortedDocValues, getSortedNumericDocValues, getSortedSetDocValues, getTermVectors, maxDoc, numDocs, toString, unwrap
docFreq, getContext, getDocCount, getSumDocFreq, getSumTotalTermFreq, postings, postings, totalTermFreq
close, decRef, document, document, ensureOpen, equals, getRefCount, getTermVector, hasDeletions, hashCode, incRef, leaves, numDeletedDocs, registerParentReader, tryIncRef
private final Terms filterTerms
private final java.lang.String fieldFilter
TermVectorFilteredLeafReader(LeafReader baseLeafReader, Terms filterTerms, java.lang.String fieldFilter)
Construct a FilterLeafReader based on the specified base reader.
Note that base reader is closed if this FilterLeafReader is closed.
baseLeafReader
- full/original reader.filterTerms
- set of terms to filter by -- probably from a TermVector or MemoryIndex.fieldFilter
- the field to do this onpublic Terms terms(java.lang.String field) throws java.io.IOException
LeafReader
Terms
index for this field, or null if it has none.terms
in class FilterLeafReader
java.io.IOException
public IndexReader.CacheHelper getCoreCacheHelper()
LeafReader
IndexReader.CacheHelper
that can be used to cache
based on the content of this leaf regardless of deletions. Two readers
that have the same data but different sets of deleted documents or doc
values updates may be considered equal. Consider using
IndexReader.getReaderCacheHelper()
if you need deletions or dv updates to be
taken into account.
A return value of null
indicates that this reader is not suited
for caching, which is typically the case for short-lived wrappers that
alter the content of the wrapped leaf reader.
getCoreCacheHelper
in class LeafReader
public IndexReader.CacheHelper getReaderCacheHelper()
IndexReader
IndexReader.CacheHelper
that can be used to cache
based on the content of this reader. Two readers that have different data
or different sets of deleted documents will be considered different.
A return value of null
indicates that this reader is not suited
for caching, which is typically the case for short-lived wrappers that
alter the content of the wrapped reader.
getReaderCacheHelper
in class IndexReader