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Diffstat (limited to 'services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/ApexEventListener.java')
-rw-r--r-- | services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/ApexEventListener.java | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/ApexEventListener.java b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/ApexEventListener.java new file mode 100644 index 000000000..a498bcff8 --- /dev/null +++ b/services/services-engine/src/main/java/org/onap/policy/apex/service/engine/runtime/ApexEventListener.java @@ -0,0 +1,41 @@ +/*- + * ============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); +} |