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java.lang.Objectjava.rmi.server.RemoteObject
java.rmi.server.RemoteServer
java.rmi.server.UnicastRemoteObject
org.apache.lucene.search.RemoteSearchable
A remote searchable implementation.
Field Summary |
Fields inherited from class java.rmi.server.RemoteObject |
ref |
Constructor Summary | |
RemoteSearchable(Searchable local)
Constructs and exports a remote searcher. |
Method Summary | |
void |
close()
Frees resources associated with this Searcher. |
Document |
doc(int i)
Expert: Returns the stored fields of document i . |
int |
docFreq(Term term)
Expert: Returns the number of documents containing term . |
int[] |
docFreqs(Term[] terms)
Expert: For each term in the terms array, calculates the number of documents containing term . |
Explanation |
explain(Weight weight,
int doc)
Expert: low-level implementation method Returns an Explanation that describes how doc scored against
weight . |
static void |
main(String[] args)
Exports a searcher for the index in args[0] named "//localhost/Searchable". |
int |
maxDoc()
Expert: Returns one greater than the largest possible document number. |
Query |
rewrite(Query original)
Expert: called to re-write queries into primitive queries. |
void |
search(Weight weight,
Filter filter,
HitCollector results)
Lower-level search API. |
TopDocs |
search(Weight weight,
Filter filter,
int n)
Expert: Low-level search implementation. |
TopFieldDocs |
search(Weight weight,
Filter filter,
int n,
Sort sort)
Expert: Low-level search implementation with arbitrary sorting. |
Methods inherited from class java.rmi.server.UnicastRemoteObject |
clone, exportObject, exportObject, exportObject, unexportObject |
Methods inherited from class java.rmi.server.RemoteServer |
getClientHost, getLog, setLog |
Methods inherited from class java.rmi.server.RemoteObject |
equals, getRef, hashCode, toString, toStub |
Methods inherited from class java.lang.Object |
finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public RemoteSearchable(Searchable local) throws RemoteException
Method Detail |
public void search(Weight weight, Filter filter, HitCollector results) throws IOException
Searchable
HitCollector.collect(int,float)
is called for every non-zero
scoring document.
HitCollector-based access to remote indexes is discouraged.
Applications should only use this if they need all of the
matching documents. The high-level search API (Searcher.search(Query)
) is usually more efficient, as it skips
non-high-scoring hits.
search
in interface Searchable
weight
- to match documentsfilter
- if non-null, a bitset used to eliminate some documentsresults
- to receive hits
IOException
public void close() throws IOException
Searchable
Hits
.
close
in interface Searchable
IOException
public int docFreq(Term term) throws IOException
Searchable
term
.
Called by search code to compute term weights.
docFreq
in interface Searchable
IOException
IndexReader.docFreq(Term)
public int[] docFreqs(Term[] terms) throws IOException
Searchable
term
. Returns an array with these
document frequencies. Used to minimize number of remote calls.
docFreqs
in interface Searchable
IOException
public int maxDoc() throws IOException
Searchable
maxDoc
in interface Searchable
IOException
IndexReader.maxDoc()
public TopDocs search(Weight weight, Filter filter, int n) throws IOException
Searchable
n
hits for query
, applying filter
if non-null.
Called by Hits
.
Applications should usually call Searcher.search(Query)
or
Searcher.search(Query,Filter)
instead.
search
in interface Searchable
IOException
public TopFieldDocs search(Weight weight, Filter filter, int n, Sort sort) throws IOException
Searchable
n
hits for query
, applying
filter
if non-null, and sorting the hits by the criteria in
sort
.
Applications should usually call Searcher.search(Query,Filter,Sort)
instead.
search
in interface Searchable
IOException
public Document doc(int i) throws IOException
Searchable
i
.
Called by HitCollector
implementations.
doc
in interface Searchable
IOException
IndexReader.document(int)
public Query rewrite(Query original) throws IOException
Searchable
rewrite
in interface Searchable
IOException
public Explanation explain(Weight weight, int doc) throws IOException
Searchable
doc
scored against
weight
.
This is intended to be used in developing Similarity implementations, and, for good performance, should not be displayed with every hit. Computing an explanation is as expensive as executing the query over the entire index.
Applications should call Searcher.explain(Query, int)
.
explain
in interface Searchable
IOException
public static void main(String[] args) throws Exception
Exception
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