org.apache.paimon.fileindex.empty

Class EmptyFileIndexReader

java.lang.Object

org.apache.paimon.fileindex.FileIndexReader

org.apache.paimon.fileindex.empty.EmptyFileIndexReader

All Implemented Interfaces:

FunctionVisitor<FileIndexResult>, PredicateVisitor<FileIndexResult>

public class EmptyFileIndexReader
extends FileIndexReader

Empty file index which has no writer and no serialized bytes.

Field Summary

Fields

Modifier and Type	Field and Description
static EmptyFileIndexReader	INSTANCE No data in the file index, which mean this file has no related records.

Constructor Summary

Constructors

Constructor and Description
EmptyFileIndexReader()

Method Summary

Modifier and Type	Method and Description
FileIndexResult	visitContains(FieldRef fieldRef, Object literal)
FileIndexResult	visitEndsWith(FieldRef fieldRef, Object literal)
FileIndexResult	visitEqual(FieldRef fieldRef, Object literal)
FileIndexResult	visitGreaterOrEqual(FieldRef fieldRef, Object literal)
FileIndexResult	visitGreaterThan(FieldRef fieldRef, Object literal)
FileIndexResult	visitIn(FieldRef fieldRef, List<Object> literals)
FileIndexResult	visitIsNotNull(FieldRef fieldRef)
FileIndexResult	visitLessOrEqual(FieldRef fieldRef, Object literal)
FileIndexResult	visitLessThan(FieldRef fieldRef, Object literal)
FileIndexResult	visitStartsWith(FieldRef fieldRef, Object literal)

Methods inherited from class org.apache.paimon.fileindex.FileIndexReader

visitAnd, visitIsNull, visitNotEqual, visitNotIn, visitOr

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.paimon.predicate.FunctionVisitor

visit, visit

Field Detail

INSTANCE

public static final EmptyFileIndexReader INSTANCE

No data in the file index, which mean this file has no related records.

Constructor Detail

EmptyFileIndexReader

public EmptyFileIndexReader()

Method Detail

visitEqual

public FileIndexResult visitEqual(FieldRef fieldRef,
                                  Object literal)

Specified by:

visitEqual in interface FunctionVisitor<FileIndexResult>

Overrides:

visitEqual in class FileIndexReader

visitIsNotNull

public FileIndexResult visitIsNotNull(FieldRef fieldRef)

Specified by:

visitIsNotNull in interface FunctionVisitor<FileIndexResult>

Overrides:

visitIsNotNull in class FileIndexReader

visitStartsWith

public FileIndexResult visitStartsWith(FieldRef fieldRef,
                                       Object literal)

Specified by:

visitStartsWith in interface FunctionVisitor<FileIndexResult>

Overrides:

visitStartsWith in class FileIndexReader

visitEndsWith

public FileIndexResult visitEndsWith(FieldRef fieldRef,
                                     Object literal)

Specified by:

visitEndsWith in interface FunctionVisitor<FileIndexResult>

Overrides:

visitEndsWith in class FileIndexReader

visitContains

public FileIndexResult visitContains(FieldRef fieldRef,
                                     Object literal)

Specified by:

visitContains in interface FunctionVisitor<FileIndexResult>

Overrides:

visitContains in class FileIndexReader

visitLessThan

public FileIndexResult visitLessThan(FieldRef fieldRef,
                                     Object literal)

Specified by:

visitLessThan in interface FunctionVisitor<FileIndexResult>

Overrides:

visitLessThan in class FileIndexReader

visitGreaterOrEqual

public FileIndexResult visitGreaterOrEqual(FieldRef fieldRef,
                                           Object literal)

Specified by:

visitGreaterOrEqual in interface FunctionVisitor<FileIndexResult>

Overrides:

visitGreaterOrEqual in class FileIndexReader

visitLessOrEqual

public FileIndexResult visitLessOrEqual(FieldRef fieldRef,
                                        Object literal)

Specified by:

visitLessOrEqual in interface FunctionVisitor<FileIndexResult>

Overrides:

visitLessOrEqual in class FileIndexReader

visitGreaterThan

public FileIndexResult visitGreaterThan(FieldRef fieldRef,
                                        Object literal)

Specified by:

visitGreaterThan in interface FunctionVisitor<FileIndexResult>

Overrides:

visitGreaterThan in class FileIndexReader

visitIn

public FileIndexResult visitIn(FieldRef fieldRef,
                               List<Object> literals)

Specified by:

visitIn in interface FunctionVisitor<FileIndexResult>

Overrides:

visitIn in class FileIndexReader