com.googlecode.objectify.impl.translate

Class SimpleTranslatorFactory<P,D>

java.lang.Object

com.googlecode.objectify.impl.translate.ValueTranslatorFactory<P,D>

com.googlecode.objectify.impl.translate.SimpleTranslatorFactory<P,D>

All Implemented Interfaces:

TranslatorFactory<P,D>

Direct Known Subclasses:

BigDecimalLongTranslatorFactory, BigMoneyStringTranslatorFactory, BlobTranslatorFactory, BooleanTranslatorFactory, ByteArrayTranslatorFactory, DateTimeZoneTranslatorFactory, DateTranslatorFactory, KeyTranslatorFactory, LatLngTranslatorFactory, MoneyStringTranslatorFactory, RawEntityTranslatorFactory, RawKeyTranslatorFactory, SqlDateTranslatorFactory, StringTranslatorFactory, TimestampTranslatorFactory, TimeZoneTranslatorFactory, URLTranslatorFactory

public abstract class SimpleTranslatorFactory<P,D>
extends ValueTranslatorFactory<P,D>

Simplest base class for most value translations. Easy to subclass.

Author:

Jeff Schnitzer

Constructor Summary

Constructors

Constructor and Description
SimpleTranslatorFactory(Class<? extends P> pojoType, com.google.cloud.datastore.ValueType... datastoreValueTypes)

Method Summary

Modifier and Type	Method and Description
protected ValueTranslator<P,D>	createValueTranslator(TypeKey<P> tk, CreateContext ctx, Path path) Create a translator, knowing that we have the appropriate type.
protected abstract com.google.cloud.datastore.Value<D>	toDatastore(P value)
protected abstract P	toPojo(com.google.cloud.datastore.Value<D> value)

Methods inherited from class com.googlecode.objectify.impl.translate.ValueTranslatorFactory

create

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleTranslatorFactory

public SimpleTranslatorFactory(Class<? extends P> pojoType,
                               com.google.cloud.datastore.ValueType... datastoreValueTypes)

Method Detail

toPojo

protected abstract P toPojo(com.google.cloud.datastore.Value<D> value)

toDatastore

protected abstract com.google.cloud.datastore.Value<D> toDatastore(P value)

createValueTranslator

protected final ValueTranslator<P,D> createValueTranslator(TypeKey<P> tk,
                                                           CreateContext ctx,
                                                           Path path)

Description copied from class: ValueTranslatorFactory

Create a translator, knowing that we have the appropriate type. You don't need to check for type matching.

Specified by:

createValueTranslator in class ValueTranslatorFactory<P,D>

Parameters:

tk - type is guaranteed to erase to something assignable to Class