org.springframework.cloud.gcp.data.datastore.core.convert

Interface DatastoreEntityConverter

All Superinterfaces:

org.springframework.data.convert.EntityReader<Object,com.google.cloud.datastore.BaseEntity>, org.springframework.data.convert.EntityWriter<Object,com.google.cloud.datastore.BaseEntity.Builder>

All Known Implementing Classes:

DefaultDatastoreEntityConverter

public interface DatastoreEntityConverter
extends org.springframework.data.convert.EntityReader<Object,com.google.cloud.datastore.BaseEntity>, org.springframework.data.convert.EntityWriter<Object,com.google.cloud.datastore.BaseEntity.Builder>

An interface for converting objects to Datastore Entities and vice versa.

Since:

1.1

Author:

Chengyuan Zhao

Method Summary

Modifier and Type	Method and Description
ReadWriteConversions	getConversions() Get the ReadWriteConversions used in this converter.
<T,R> Map<T,R>	readAsMap(Class<T> keyType, org.springframework.data.util.TypeInformation<R> componentType, com.google.cloud.datastore.BaseEntity entity) Read the entity as a Map.

Methods inherited from interface org.springframework.data.convert.EntityReader

read

Methods inherited from interface org.springframework.data.convert.EntityWriter

write

Method Detail

getConversions

ReadWriteConversions getConversions()

Get the ReadWriteConversions used in this converter.

Returns:

the conversions used.

readAsMap

<T,R> Map<T,R> readAsMap(Class<T> keyType,
                         org.springframework.data.util.TypeInformation<R> componentType,
                         com.google.cloud.datastore.BaseEntity entity)

Read the entity as a Map.

Type Parameters:

T - the type of the key in the map

R - the type of the value in the map

Parameters:

keyType - the key type of the map to be read.

componentType - the value type of the map, into which each field value will be converted.

entity - the entity from Cloud Datastore.

Returns:

a Map where the key values are the field names and the values the field values.