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ea24f6ca31
This is better than the previous way of using the canonical name of the class, because the previous way did not allow for refactoring, and also required the PremiumPricingEngine to live in the model package lest there be circular dependencies, which does not seem ideal. Note that, for reasons of backwards compatibility with existing persisted data, the name of the static premium pricing engine has been set to its canonical class name, but the class can now be refactored going forward so long as this string remains unchanged, and any new pricing engine implementations can use whatever string key they want (it doesn't have to be a canonical class name). ------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=129215185
39 lines
1.4 KiB
Java
39 lines
1.4 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.pricing;
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import dagger.Module;
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import dagger.Provides;
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import dagger.multibindings.IntoMap;
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import dagger.multibindings.StringKey;
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import google.registry.model.pricing.PremiumPricingEngine;
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import google.registry.model.pricing.StaticPremiumListPricingEngine;
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/**
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* Dagger module for injecting pricing engines.
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*
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* <p>To add a new pricing engine, create a new class that implements {@link PremiumPricingEngine},
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* and add a module that provides an instance of {@link PremiumPricingEngine} with a unique
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* {@link StringKey} annotation, and also <code>@Provides @IntoMap</code> annotations.
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*/
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@Module
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public class PricingModule {
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@Provides @IntoMap
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@StringKey(StaticPremiumListPricingEngine.NAME)
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static PremiumPricingEngine provideStaticPremiumList(StaticPremiumListPricingEngine engine) {
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return engine;
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}
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}
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