io.picodata.driver.core.conditions

Class PositionFieldImpl

java.lang.Object

io.picodata.driver.core.conditions.PositionFieldImpl

All Implemented Interfaces:

FieldIdentifier<TarantoolFieldMetadata,Integer>, PositionField, Serializable

public class PositionFieldImpl
extends Object
implements PositionField

Represents a field defined by position

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
PositionFieldImpl(int position) Construct field using its position in field.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
int	hashCode()
TarantoolFieldMetadata	metadata(TarantoolMetadataOperations metadataOperations, TarantoolSpaceMetadata spaceMetadata) Returns metadata object corresponding to the field identifier type
Integer	toIdentifier() Get serializable form of the identifier

Methods inherited from class java.lang.Object

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

Constructor Detail

PositionFieldImpl

public PositionFieldImpl(int position)

Construct field using its position in field.

Parameters:

position - field position, starting from 0

Method Detail

metadata

public TarantoolFieldMetadata metadata(TarantoolMetadataOperations metadataOperations,
                                       TarantoolSpaceMetadata spaceMetadata)

Description copied from interface: FieldIdentifier

Returns metadata object corresponding to the field identifier type

Specified by:

metadata in interface FieldIdentifier<TarantoolFieldMetadata,Integer>

Specified by:

metadata in interface PositionField

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

public Integer toIdentifier()

Description copied from interface: FieldIdentifier

Get serializable form of the identifier

Specified by:

toIdentifier in interface FieldIdentifier<TarantoolFieldMetadata,Integer>

Specified by:

toIdentifier in interface PositionField

Returns:

an object serializable into MessagePack

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object