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/*
* ============LICENSE_START=======================================================
* utils
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.common.utils.services;
/**
* This is a base interface that is used to control the order of a list
* of services (features) discovered via 'ServiceLoader'. See
* 'OrderedServiceImpl' for more details.
*/
@FunctionalInterface
public interface OrderedService {
/**
* Get sequence number.
*
* @return an integer sequence number, which determines the order of a list
* of objects implementing this interface
*/
public int getSequenceNumber();
/**
* Get the name.
*
* @return the name of the ordered service
*/
public default String getName() {
return this.getClass().getName();
}
}
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