org.elasticsearch.index.fielddata.plain

クラス ParentChildIndexFieldData.ParentChildEstimator

java.lang.Object

org.elasticsearch.index.fielddata.plain.ParentChildIndexFieldData.ParentChildEstimator

すべての実装されたインタフェース:

AbstractIndexFieldData.PerValueEstimator

含まれているクラス:

ParentChildIndexFieldData

public class ParentChildIndexFieldData.ParentChildEstimator
extends Object
implements AbstractIndexFieldData.PerValueEstimator

Estimator that wraps parent/child id field data by wrapping the data in a RamAccountingTermsEnum.

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
ParentChildEstimator(CircuitBreaker breaker, org.apache.lucene.index.TermsEnum filteredEnum)

メソッドのサマリー

修飾子とタイプ	メソッドと説明
void	afterLoad(org.apache.lucene.index.TermsEnum termsEnum, long actualUsed) Adjusts the breaker based on the difference between the actual usage and the aggregated estimations.
org.apache.lucene.index.TermsEnum	beforeLoad(org.apache.lucene.index.Terms terms) Wraps the already filtered TermsEnum in a RamAccountingTermsEnum and returns it
long	bytesPerValue(org.apache.lucene.util.BytesRef term) General overhead for ids is 2 times the length of the ID

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

コンストラクタの詳細

ParentChildEstimator

public ParentChildEstimator(CircuitBreaker breaker,
                            org.apache.lucene.index.TermsEnum filteredEnum)

メソッドの詳細

bytesPerValue

public long bytesPerValue(org.apache.lucene.util.BytesRef term)

General overhead for ids is 2 times the length of the ID

定義:

bytesPerValue インタフェース内 AbstractIndexFieldData.PerValueEstimator

戻り値:

the number of bytes for the given term

beforeLoad

public org.apache.lucene.index.TermsEnum beforeLoad(org.apache.lucene.index.Terms terms)
                                             throws IOException

Wraps the already filtered TermsEnum in a RamAccountingTermsEnum and returns it

定義:

beforeLoad インタフェース内 AbstractIndexFieldData.PerValueEstimator

パラメータ:

terms - terms to be estimated

戻り値:

A TermsEnum for the given terms

例外:

IOException

afterLoad

public void afterLoad(org.apache.lucene.index.TermsEnum termsEnum,
                      long actualUsed)

Adjusts the breaker based on the difference between the actual usage and the aggregated estimations.

定義:

afterLoad インタフェース内 AbstractIndexFieldData.PerValueEstimator

パラメータ:

termsEnum - terms that were loaded

actualUsed - actual field data memory usage