org.apache.paimon.fileindex

Class FileIndexReader

java.lang.Object

org.apache.paimon.fileindex.FileIndexReader

All Implemented Interfaces:

FunctionVisitor<FileIndexResult>, PredicateVisitor<FileIndexResult>

Direct Known Subclasses:

EmptyFileIndexReader

public abstract class FileIndexReader
extends Object
implements FunctionVisitor<FileIndexResult>

Read file index from serialized bytes. Return true, means we need to search this file, else means needn't.

Constructor Summary

Constructors

Constructor and Description
FileIndexReader()

Method Summary

Modifier and Type	Method and Description
FileIndexResult	visitAnd(List<FileIndexResult> children)
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	visitIsNull(FieldRef fieldRef)
FileIndexResult	visitLessOrEqual(FieldRef fieldRef, Object literal)
FileIndexResult	visitLessThan(FieldRef fieldRef, Object literal)
FileIndexResult	visitNotEqual(FieldRef fieldRef, Object literal)
FileIndexResult	visitNotIn(FieldRef fieldRef, List<Object> literals)
FileIndexResult	visitOr(List<FileIndexResult> children)
FileIndexResult	visitStartsWith(FieldRef fieldRef, Object literal)

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

Constructor Detail

FileIndexReader

public FileIndexReader()

Method Detail

visitIsNotNull

public FileIndexResult visitIsNotNull(FieldRef fieldRef)

Specified by:

visitIsNotNull in interface FunctionVisitor<FileIndexResult>

visitIsNull

public FileIndexResult visitIsNull(FieldRef fieldRef)

Specified by:

visitIsNull in interface FunctionVisitor<FileIndexResult>

visitStartsWith

public FileIndexResult visitStartsWith(FieldRef fieldRef,
                                       Object literal)

Specified by:

visitStartsWith in interface FunctionVisitor<FileIndexResult>

visitEndsWith

public FileIndexResult visitEndsWith(FieldRef fieldRef,
                                     Object literal)

Specified by:

visitEndsWith in interface FunctionVisitor<FileIndexResult>

visitContains

public FileIndexResult visitContains(FieldRef fieldRef,
                                     Object literal)

Specified by:

visitContains in interface FunctionVisitor<FileIndexResult>

visitLessThan

public FileIndexResult visitLessThan(FieldRef fieldRef,
                                     Object literal)

Specified by:

visitLessThan in interface FunctionVisitor<FileIndexResult>

visitGreaterOrEqual

public FileIndexResult visitGreaterOrEqual(FieldRef fieldRef,
                                           Object literal)

Specified by:

visitGreaterOrEqual in interface FunctionVisitor<FileIndexResult>

visitNotEqual

public FileIndexResult visitNotEqual(FieldRef fieldRef,
                                     Object literal)

Specified by:

visitNotEqual in interface FunctionVisitor<FileIndexResult>

visitLessOrEqual

public FileIndexResult visitLessOrEqual(FieldRef fieldRef,
                                        Object literal)

Specified by:

visitLessOrEqual in interface FunctionVisitor<FileIndexResult>

visitEqual

public FileIndexResult visitEqual(FieldRef fieldRef,
                                  Object literal)

Specified by:

visitEqual in interface FunctionVisitor<FileIndexResult>

visitGreaterThan

public FileIndexResult visitGreaterThan(FieldRef fieldRef,
                                        Object literal)

Specified by:

visitGreaterThan in interface FunctionVisitor<FileIndexResult>

visitIn

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

Specified by:

visitIn in interface FunctionVisitor<FileIndexResult>

visitNotIn

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

Specified by:

visitNotIn in interface FunctionVisitor<FileIndexResult>

visitAnd

public FileIndexResult visitAnd(List<FileIndexResult> children)

Specified by:

visitAnd in interface FunctionVisitor<FileIndexResult>

visitOr

public FileIndexResult visitOr(List<FileIndexResult> children)

Specified by:

visitOr in interface FunctionVisitor<FileIndexResult>