インタフェースの使用
org.dbflute.optional.OptionalThing

OptionalThingを使用しているパッケージ

パッケージ	説明
org.dbflute.optional

org.dbflute.optionalでのOptionalThingの使用

OptionalThingを実装しているorg.dbflute.optionalのクラス

修飾子とタイプ	クラスと説明
class	BaseOptional<OBJ> The base class for optional object.
class	OptionalEntity<ENTITY> The entity as optional object, which has entity instance in it.
class	OptionalObject<OBJ>
class	OptionalScalar<SCALAR>

OptionalThingを返すorg.dbflute.optionalのメソッド

修飾子とタイプ	メソッドと説明
protected OptionalThing<OBJ>	BaseOptional.callbackFilter(OptionalThingPredicate<OBJ> mapper)
protected <RESULT> OptionalThing<RESULT>	BaseOptional.callbackFlatMapping(OptionalThingFunction<? super OBJ,OptionalThing<RESULT>> mapper)
protected <RESULT> OptionalThing<RESULT>	BaseOptional.callbackMapping(OptionalThingFunction<? super OBJ,? extends RESULT> mapper)
protected abstract <ARG> OptionalThing<ARG>	BaseOptional.createOptionalFilteredObject(ARG obj)
protected abstract <ARG> OptionalThing<ARG>	BaseOptional.createOptionalFlatMappedObject(ARG obj)
protected abstract <ARG> OptionalThing<ARG>	BaseOptional.createOptionalMappedObject(ARG obj)
static <EMPTY> OptionalThing<EMPTY>	OptionalThing.empty()
OptionalThing<THING>	OptionalThing.filter(OptionalThingPredicate<THING> oneArgLambda) Filter the thing by the predicate.
<RESULT> OptionalThing<RESULT>	OptionalEntity.flatMap(OptionalThingFunction<? super ENTITY,OptionalThing<RESULT>> entityLambda) Apply the flat-mapping of entity to result object.
<RESULT> OptionalThing<RESULT>	OptionalObject.flatMap(OptionalThingFunction<? super OBJ,OptionalThing<RESULT>> oneArgLambda) Apply the flat-mapping of thing to result thing.
<RESULT> OptionalThing<RESULT>	OptionalScalar.flatMap(OptionalThingFunction<? super SCALAR,OptionalThing<RESULT>> oneArgLambda) Apply the flat-mapping of thing to result thing.
<RESULT> OptionalThing<RESULT>	OptionalThing.flatMap(OptionalThingFunction<? super THING,OptionalThing<RESULT>> oneArgLambda) Apply the flat-mapping of thing to result thing.
<RESULT> OptionalThing<RESULT>	OptionalObject.map(OptionalThingFunction<? super OBJ,? extends RESULT> oneArgLambda) Apply the mapping of thing to result thing.
<RESULT> OptionalThing<RESULT>	OptionalScalar.map(OptionalThingFunction<? super SCALAR,? extends RESULT> oneArgLambda) Apply the mapping of thing to result thing.
<RESULT> OptionalThing<RESULT>	OptionalThing.map(OptionalThingFunction<? super THING,? extends RESULT> oneArgLambda) Apply the mapping of thing to result thing.
static <THING> OptionalThing<THING>	OptionalThing.of(THING object)
static <THING> OptionalThing<THING>	OptionalThing.ofNullable(THING object, OptionalThingExceptionThrower noArgLambda)

OptionalThing型の型引数を持つorg.dbflute.optionalのメソッド・パラメータ

修飾子とタイプ	メソッドと説明
protected <RESULT> OptionalThing<RESULT>	BaseOptional.callbackFlatMapping(OptionalThingFunction<? super OBJ,OptionalThing<RESULT>> mapper)
<RESULT> OptionalThing<RESULT>	OptionalEntity.flatMap(OptionalThingFunction<? super ENTITY,OptionalThing<RESULT>> entityLambda) Apply the flat-mapping of entity to result object.
<RESULT> OptionalThing<RESULT>	OptionalObject.flatMap(OptionalThingFunction<? super OBJ,OptionalThing<RESULT>> oneArgLambda) Apply the flat-mapping of thing to result thing.
<RESULT> OptionalThing<RESULT>	OptionalScalar.flatMap(OptionalThingFunction<? super SCALAR,OptionalThing<RESULT>> oneArgLambda) Apply the flat-mapping of thing to result thing.
<RESULT> OptionalThing<RESULT>	OptionalThing.flatMap(OptionalThingFunction<? super THING,OptionalThing<RESULT>> oneArgLambda) Apply the flat-mapping of thing to result thing.