org.elasticsearch.common.lucene.uid

クラス Versions

java.lang.Object

org.elasticsearch.common.lucene.uid.Versions

public class Versions
extends Object

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

ネストされたクラスのサマリー

ネストされたクラス

修飾子とタイプ	クラスと説明
static class	Versions.DocIdAndVersion Wraps an LeafReaderContext, a doc ID relative to the context doc base and a version.

フィールドのサマリー

フィールド

修飾子とタイプ	フィールドと説明
static long	MATCH_ANY
static long	NOT_FOUND
static long	NOT_SET used when the document is old and doesn't contain any version information in the index see PerThreadIDAndVersionLookup.lookup(org.apache.lucene.util.BytesRef, org.apache.lucene.util.Bits, org.apache.lucene.index.LeafReaderContext)

メソッドのサマリー

修飾子とタイプ	メソッドと説明
static Versions.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, the version being potentially set to NOT_SET if the uid has no associated version
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 NOT_FOUND if no matching doc exists, NOT_SET if no version is available, the version associated with the provided uid otherwise

クラスから継承されたメソッド java.lang.Object

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

フィールドの詳細

MATCH_ANY

public static final long MATCH_ANY

関連項目:

定数フィールド値

NOT_FOUND

public static final long NOT_FOUND

関連項目:

定数フィールド値

NOT_SET

public static final long NOT_SET

used when the document is old and doesn't contain any version information in the index see PerThreadIDAndVersionLookup.lookup(org.apache.lucene.util.BytesRef, org.apache.lucene.util.Bits, org.apache.lucene.index.LeafReaderContext)

関連項目:

定数フィールド値

メソッドの詳細

loadDocIdAndVersion

public static Versions.DocIdAndVersion loadDocIdAndVersion(org.apache.lucene.index.IndexReader reader,
                                                           org.apache.lucene.index.Term term)
                                                    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, the version being potentially set to NOT_SET if the uid has no associated version

例外:

IOException

loadVersion

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

Load the version for the uid from the reader, returning

• NOT_FOUND if no matching doc exists,
• NOT_SET if no version is available,
• the version associated with the provided uid otherwise

例外:

IOException