org.apache.lucene.codecs.blockterms

Class TermsIndexReaderBase

java.lang.Object

org.apache.lucene.codecs.blockterms.TermsIndexReaderBase

All Implemented Interfaces:

Closeable, AutoCloseable, Accountable

Direct Known Subclasses:

FixedGapTermsIndexReader, VariableGapTermsIndexReader

public abstract class TermsIndexReaderBase
extends Object
implements Closeable, Accountable

BlockTermsReader interacts with an instance of this class to manage its terms index. The writer must accept indexed terms (many pairs of BytesRef text + long fileOffset), and then this reader must be able to retrieve the nearest index term to a provided term text.

WARNING: This API is experimental and might change in incompatible ways in the next release.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TermsIndexReaderBase.FieldIndexEnum Similar to TermsEnum, except, the only "metadata" it reports for a given indexed term is the long fileOffset into the main terms dictionary file.

Field Summary

Fields inherited from interface org.apache.lucene.util.Accountable

NULL_ACCOUNTABLE

Constructor Summary

Constructors

Constructor and Description
TermsIndexReaderBase()

Method Summary

Modifier and Type	Method and Description
abstract void	close()
abstract TermsIndexReaderBase.FieldIndexEnum	getFieldEnum(FieldInfo fieldInfo)
abstract boolean	supportsOrd()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.lucene.util.Accountable

getChildResources, ramBytesUsed

Constructor Detail

TermsIndexReaderBase

public TermsIndexReaderBase()

Method Detail

getFieldEnum

public abstract TermsIndexReaderBase.FieldIndexEnum getFieldEnum(FieldInfo fieldInfo)

close

public abstract void close()
                    throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException

supportsOrd

public abstract boolean supportsOrd()