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/*
* ============LICENSE_START=======================================================
* policy-endpoints
* ================================================================================
* Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2023 Nordix Foundation.
* ================================================================================
* 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.endpoints.event.comm;
/**
* Marks a given Topic Endpoint as able to send messages over a topic.
*/
public interface TopicSink extends Topic {
/**
* Sends a string message over this Topic Endpoint.
*
* @param message message to send
*
* @return true if the send operation succeeded, false otherwise
* @throws IllegalArgumentException an invalid message has been provided
* @throws IllegalStateException the entity is in a state that prevents
* it from sending messages, for example, locked or stopped.
*/
boolean send(String message);
}
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