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java.lang.Object org.apache.lucene.index.IndexReader org.apache.lucene.index.MultiReader org.apache.jackrabbit.core.query.lucene.CachingMultiReader
Extends a MultiReader
with support for cached TermDocs
on FieldNames.UUID
field.
Constructor Summary | |
CachingMultiReader(org.apache.jackrabbit.core.query.lucene.ReadOnlyIndexReader[] subReaders,
org.apache.jackrabbit.core.query.lucene.DocNumberCache cache)
Creates a new CachingMultiReader based on sub readers. |
Method Summary | |
protected void |
doClose()
Decrements the reference count and closes the underlying readers if this reader is not in use anymore. |
int |
getParent(int n)
Returns the document number of the parent of n or
-1 if n does not have a parent (n
is the root node). |
org.apache.jackrabbit.core.query.lucene.DocId |
getParentDocId(int n)
Returns the DocId of the parent of n or DocId#NULL
if n does not have a parent (n is the root
node). |
org.apache.lucene.index.TermDocs |
termDocs(org.apache.lucene.index.Term term)
|
Methods inherited from class org.apache.lucene.index.MultiReader |
docFreq, doCommit, document, doDelete, doSetNorm, doUndeleteAll, getFieldNames, getFieldNames, getIndexedFieldNames, getTermFreqVector, getTermFreqVectors, hasDeletions, isDeleted, maxDoc, norms, norms, numDocs, termDocs, termPositions, terms, terms |
Methods inherited from class org.apache.lucene.index.IndexReader |
close, commit, delete, delete, directory, finalize, getCurrentVersion, getCurrentVersion, getCurrentVersion, indexExists, indexExists, indexExists, isLocked, isLocked, lastModified, lastModified, lastModified, open, open, open, setNorm, setNorm, termPositions, undeleteAll, unlock |
Methods inherited from class java.lang.Object |
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public CachingMultiReader(org.apache.jackrabbit.core.query.lucene.ReadOnlyIndexReader[] subReaders, org.apache.jackrabbit.core.query.lucene.DocNumberCache cache) throws IOException
CachingMultiReader
based on sub readers.
subReaders
- the sub readers.cache
- the document number cache.
IOException
- if an error occurs while reading from the indexes.Method Detail |
public final int getParent(int n) throws IOException
n
or
-1
if n
does not have a parent (n
is the root node).
getParent
in interface HierarchyResolver
n
- the document number.
n
's parent.
IOException
- if an error occurs while reading from the index.public final org.apache.jackrabbit.core.query.lucene.DocId getParentDocId(int n) throws IOException
n
or DocId#NULL
if n
does not have a parent (n
is the root
node).
n
- the document number.
n
's parent.
IOException
- if an error occurs while reading from the index.public org.apache.lucene.index.TermDocs termDocs(org.apache.lucene.index.Term term) throws IOException
IOException
protected void doClose() throws IOException
IOException
- if an error occurs while closing this reader.
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