Package org.elasticsearch.common.lucene.uid

Class VersionsAndSeqNoResolver

java.lang.Object

org.elasticsearch.common.lucene.uid.VersionsAndSeqNoResolver

public final class VersionsAndSeqNoResolver
extends Object

Utility class to resolve the Lucene doc ID, version, seqNo and primaryTerms for a given uid.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	VersionsAndSeqNoResolver.DocIdAndSeqNo	Wraps an LeafReaderContext, a doc ID relative to the context doc base and a seqNo.
static class	VersionsAndSeqNoResolver.DocIdAndVersion	Wraps an LeafReaderContext, a doc ID relative to the context doc base and a version.

Method Summary

Modifier and Type	Method	Description
static VersionsAndSeqNoResolver.DocIdAndSeqNo	loadDocIdAndSeqNo(org.apache.lucene.index.IndexReader reader, org.apache.lucene.index.Term term)	Loads the internal docId and sequence number of the latest copy for a given uid from the provided reader.
static VersionsAndSeqNoResolver.DocIdAndVersion	loadDocIdAndVersion(org.apache.lucene.index.IndexReader reader, org.apache.lucene.index.Term term, boolean loadSeqNo)	Load the internal doc ID and version for the uid from the reader, returning null if the uid wasn't found, a doc ID and a version otherwise

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

loadDocIdAndVersion

public static VersionsAndSeqNoResolver.DocIdAndVersion loadDocIdAndVersion(org.apache.lucene.index.IndexReader reader,
 org.apache.lucene.index.Term term,
 boolean loadSeqNo)
                                                                    throws IOException

Load the internal doc ID and version for the uid from the reader, returning

• null if the uid wasn't found,
• a doc ID and a version otherwise

Throws:

IOException

loadDocIdAndSeqNo

public static VersionsAndSeqNoResolver.DocIdAndSeqNo loadDocIdAndSeqNo(org.apache.lucene.index.IndexReader reader,
 org.apache.lucene.index.Term term)
                                                                throws IOException

Loads the internal docId and sequence number of the latest copy for a given uid from the provided reader. The result is either null or the live and latest version of the given uid.

Throws:

IOException