org.apache.paimon.hive

Class SchemaVisitor<P,R>

java.lang.Object

org.apache.paimon.hive.SchemaVisitor<P,R>

public abstract class SchemaVisitor<P,R>
extends Object

SchemaVisitor to visitor the sourceInspector and writerInspector to get the FieldDeserializer.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	SchemaVisitor.PartnerAccessors<P> PartnerAccessors.

Constructor Summary

Constructors

Constructor and Description
SchemaVisitor()

Method Summary

Modifier and Type	Method and Description
R	list(ArrayType list, P partner, R elementResult)
R	map(MapType map, P partner, R keyResult, R valueResult)
R	primitive(DataType primitive, P partner)
R	rowType(RowType rowType, P partner, List<R> fieldResults)
static <P,T> T	visit(DataType type, P partner, SchemaVisitor<P,T> visitor, SchemaVisitor.PartnerAccessors<P> accessors)
static <P,T> T	visit(HiveSchema schema, P partner, SchemaVisitor<P,T> visitor, SchemaVisitor.PartnerAccessors<P> accessors)

Methods inherited from class java.lang.Object

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

Constructor Detail

SchemaVisitor

public SchemaVisitor()

Method Detail

visit

public static <P,T> T visit(HiveSchema schema,
                            P partner,
                            SchemaVisitor<P,T> visitor,
                            SchemaVisitor.PartnerAccessors<P> accessors)

visit

public static <P,T> T visit(DataType type,
                            P partner,
                            SchemaVisitor<P,T> visitor,
                            SchemaVisitor.PartnerAccessors<P> accessors)

rowType

public R rowType(RowType rowType,
                 P partner,
                 List<R> fieldResults)

list

public R list(ArrayType list,
              P partner,
              R elementResult)

map

public R map(MapType map,
             P partner,
             R keyResult,
             R valueResult)

primitive

public R primitive(DataType primitive,
                   P partner)