package com.thinkbiganalytics.nifi.core.api.metadata;
/*-
* #%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%
*/
import com.thinkbiganalytics.metadata.rest.model.nifi.NiFiFlowCacheSync;
/**
* Used to interact with a cache of nifi flow events
*/
public interface KyloNiFiFlowProvider {
/**
* Gets the nifi flow data since syncId
*
* @param syncId the id of the last flow
* @return a cache of new flow data
*/
NiFiFlowCacheSync getNiFiFlowUpdates(String syncId);
/**
* Resets the cache from the syncId
*
* @param syncId the id of the flow
* @return a cache that has been reset
*/
NiFiFlowCacheSync resetNiFiFlowCache(String syncId);
/**
* check to see if new data is available in the nifi flow
*
* @return true if new data is available
*/
boolean isNiFiFlowDataAvailable();
/**
* Returns the max event ID for a given cluster
*
* @param clusterNodeId the cluster to search for the max event id
* @return the event id
*/
Long findNiFiMaxEventId(String clusterNodeId);
Long resetNiFiMaxEventId(String clusterNodeId);
}