org.elasticsearch.common.lucene.uid

Class VersionsResolver

java.lang.Object

org.elasticsearch.common.lucene.uid.VersionsResolver

public class VersionsResolver
extends java.lang.Object

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

Nested Class Summary

Nested Classes

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

Method Summary

Modifier and Type	Method and Description
static VersionsResolver.DocIdAndVersion	loadDocIdAndVersion(org.apache.lucene.index.IndexReader reader, org.apache.lucene.index.Term term) 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
static long	loadVersion(org.apache.lucene.index.IndexReader reader, org.apache.lucene.index.Term term) Load the version for the uid from the reader, returning Versions.NOT_FOUND if no matching doc exists, the version associated with the provided uid otherwise

Methods inherited from class java.lang.Object

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

Method Detail

loadDocIdAndVersion

public static VersionsResolver.DocIdAndVersion loadDocIdAndVersion(org.apache.lucene.index.IndexReader reader,
                                                                   org.apache.lucene.index.Term term)
                                                            throws java.io.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:

java.io.IOException

loadVersion

public static long loadVersion(org.apache.lucene.index.IndexReader reader,
                               org.apache.lucene.index.Term term)
                        throws java.io.IOException

Load the version for the uid from the reader, returning

• Versions.NOT_FOUND if no matching doc exists,
• the version associated with the provided uid otherwise

Throws:

java.io.IOException