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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2016-2018 Ericsson. 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.apex.service.engine.runtime;
import org.onap.policy.apex.service.engine.event.ApexEvent;
/**
* The listener interface for receiving apexEvent events. The class that is interested in processing
* a apexEvent event implements this interface, and the object created with that class is registered
* with a component using the component's {@code addApexEventListener} method. When the apexEvent
* event occurs, that object's appropriate method is invoked.
*
* @author Sajeevan Achuthan (sajeevan.achuthan@ericsson.com)
*/
public interface ApexEventListener {
/**
* Callback method called on implementations of this interface when APEX emits an event.
*
* @param apexEvent the apex event emitted by APEX
*/
void onApexEvent(ApexEvent apexEvent);
}
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