/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package org.apache.nifi.controller.repository;
import java.io.Closeable;
import java.io.IOException;
public interface FlowFileEventRepository extends Closeable {
/**
* Updates the repository to include a new FlowFile processing event
*
* @param event new event
* @throws java.io.IOException ioe
*/
void updateRepository(FlowFileEvent event) throws IOException;
/**
* @param sinceEpochMillis age of report
* @return a report of processing activity since the given time
*/
RepositoryStatusReport reportTransferEvents(long sinceEpochMillis);
/**
* Causes any flow file events of the given entry age in epoch milliseconds
* or older to be purged from the repository
*
* @param cutoffEpochMilliseconds cutoff
*/
void purgeTransferEvents(long cutoffEpochMilliseconds);
}