io.picodata.driver.api.conditions

Interface FieldIdentifier<T,O>

Type Parameters:

T - metadata type

All Superinterfaces:

Serializable

All Known Subinterfaces:

IdIndex, NamedField, NamedIndex, PositionField

All Known Implementing Classes:

IdIndexImpl, NamedFieldImpl, NamedIndexImpl, PositionFieldImpl

public interface FieldIdentifier<T,O>
extends Serializable

Represents filtering operand in conditions, it may be an index or a field

Method Summary

Modifier and Type	Method and Description
T	metadata(TarantoolMetadataOperations metadataOperations, TarantoolSpaceMetadata spaceMetadata) Returns metadata object corresponding to the field identifier type
O	toIdentifier() Get serializable form of the identifier

Method Detail

metadata

T metadata(TarantoolMetadataOperations metadataOperations,
           TarantoolSpaceMetadata spaceMetadata)

Returns metadata object corresponding to the field identifier type

Parameters:

metadataOperations - for retrieving the operand metadata and checking the filed or index availability

spaceMetadata - space metadata this field or index belongs to

Returns:

name to be used in filter condition

toIdentifier

O toIdentifier()

Get serializable form of the identifier

Returns:

an object serializable into MessagePack