package org.ff4j.core;
import java.util.Map;
/*
* #%L
* ff4j-core
* %%
* Copyright (C) 2013 Ff4J
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
/**
* Each feature should implement the flipping strategy. (enabling/disabling will be handle by flipper.
*
* @author Cedrick Lunven (@clunven)
*/
public interface FlippingStrategy {
/**
* Allow to parameterized Flipping Strategy
*
* @param featureName
* current featureName
* @param initValue
* initial Value
*/
void init(String featureName, Map<String, String> initParam);
/**
* Initial Parameters required to insert this new flipping.
*
* @return initial parameters for this strategy
*/
Map<String, String> getInitParams();
/**
* Tell if flip should be realized.
*
* @param featureName
* target featureName
* @param executionContext
* custom params to make decision
* @return if flipping should be performed
*/
boolean evaluate(String featureName, FeatureStore store, FlippingExecutionContext executionContext);
}