package com.thinkbiganalytics.nifi.core.api.precondition;
/*-
* #%L
* thinkbig-nifi-core-service-api
* %%
* Copyright (C) 2017 ThinkBig Analytics
* %%
* 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.
* #L%
*/
/**
* For adding listener's to precondition events
*/
public interface PreconditionEventConsumer {
/**
* Adds listener for acting on precondition events
*
* @param category The category of the feed
* @param feedName The name of the feed
* @param listener The listener to be notified of precondition events
*/
void addListener(String category, String feedName, PreconditionListener listener);
/**
* Removes the listener on precondition events
*
* @param listener The listener to be removed
*/
void removeListener(PreconditionListener listener);
}