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SubstitutionStrategyRegistry.java
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SubstitutionStrategyRegistry.java
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/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.base.service.signaltransformer.placeholdersubstitution;
import java.util.List;
import java.util.Optional;
import javax.annotation.concurrent.Immutable;
import org.eclipse.ditto.base.model.signals.Signal;
/**
* Registry interface for determining {@link SubstitutionStrategy}s to use for a Signal.
*/
@Immutable
public interface SubstitutionStrategyRegistry {
/**
* Get a matching strategy for handling the given {@code signal}.
*
* @param signal the instance of {@link Signal} to be handled.
* @return an {@link Optional} containing the first strategy which matches; an empty {@link Optional} in case no
* strategy matches.
*/
Optional<SubstitutionStrategy<? extends Signal<?>>> getMatchingStrategy(Signal<?> signal);
/**
* Returns all configured available SubstitutionStrategies.
*
* @return all available SubstitutionStrategies.
*/
List<SubstitutionStrategy<? extends Signal<?>>> getStrategies();
}