org.apache.fury.format.type

Class TypeInference

java.lang.Object

org.apache.fury.format.type.TypeInference

public class TypeInference
extends Object

Arrow related type inference.

Constructor Summary

Constructors

Constructor and Description
TypeInference()

Method Summary

Modifier and Type	Method and Description
static org.apache.arrow.vector.types.pojo.Field	arrayInferField(Class<?> arrayClz, Class<?> clz)
static org.apache.arrow.vector.types.pojo.Field	arrayInferField(TypeRef<?> arrayTypeRef, TypeRef<?> typeRef) Infer the field of the list.
static org.apache.arrow.vector.types.pojo.Field	arrayInferField(Type arrayType, Type type)
static Optional<org.apache.arrow.vector.types.pojo.ArrowType>	getDataType(Class<?> cls)
static Optional<org.apache.arrow.vector.types.pojo.ArrowType>	getDataType(TypeRef<?> typeRef)
static org.apache.arrow.vector.types.pojo.ArrowType	inferDataType(TypeRef<?> typeRef)
static org.apache.arrow.vector.types.pojo.Schema	inferSchema(Class<?> clz)
static org.apache.arrow.vector.types.pojo.Schema	inferSchema(Type type)
static org.apache.arrow.vector.types.pojo.Schema	inferSchema(TypeRef<?> typeRef) Infer the schema for class.
static org.apache.arrow.vector.types.pojo.Schema	inferSchema(TypeRef<?> typeRef, boolean forStruct)
static String	inferTypeName(TypeRef<?> token)

Methods inherited from class java.lang.Object

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

Constructor Detail

TypeInference

public TypeInference()

Method Detail

inferSchema

public static org.apache.arrow.vector.types.pojo.Schema inferSchema(Type type)

inferSchema

public static org.apache.arrow.vector.types.pojo.Schema inferSchema(Class<?> clz)

inferSchema

public static org.apache.arrow.vector.types.pojo.Schema inferSchema(TypeRef<?> typeRef)

Infer the schema for class.

Parameters:

typeRef - bean class type

Returns:

schema of a class

inferSchema

public static org.apache.arrow.vector.types.pojo.Schema inferSchema(TypeRef<?> typeRef,
                                                                    boolean forStruct)

getDataType

public static Optional<org.apache.arrow.vector.types.pojo.ArrowType> getDataType(Class<?> cls)

getDataType

public static Optional<org.apache.arrow.vector.types.pojo.ArrowType> getDataType(TypeRef<?> typeRef)

inferDataType

public static org.apache.arrow.vector.types.pojo.ArrowType inferDataType(TypeRef<?> typeRef)

arrayInferField

public static org.apache.arrow.vector.types.pojo.Field arrayInferField(Type arrayType,
                                                                       Type type)

arrayInferField

public static org.apache.arrow.vector.types.pojo.Field arrayInferField(Class<?> arrayClz,
                                                                       Class<?> clz)

arrayInferField

public static org.apache.arrow.vector.types.pojo.Field arrayInferField(TypeRef<?> arrayTypeRef,
                                                                       TypeRef<?> typeRef)

Infer the field of the list.

Parameters:

typeRef - bean class type

Returns:

field of the list

inferTypeName

public static String inferTypeName(TypeRef<?> token)