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/*******************************************************************************
* ============LICENSE_START==================================================
* * org.onap.dmaap
* * ===========================================================================
* * Copyright © 2017 AT&T Intellectual Property. 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.
* * ============LICENSE_END====================================================
* *
* * ECOMP is a trademark and service mark of AT&T Intellectual Property.
* *
******************************************************************************/
package org.onap.dmaap.datarouter.node;
/**
* Interface to allow independent testing of the DeliveryQueue code
* <p>
* This interface represents all of the configuration information and
* feedback mechanisms that a delivery queue needs.
*/
public interface DeliveryQueueHelper {
/**
* Get the timeout (milliseconds) before retrying after an initial delivery failure
*/
long getInitFailureTimer();
/**
* Get the timeout before retrying after delivery and wait for file processing
*/
long getWaitForFileProcessFailureTimer();
/**
* Get the ratio between timeouts on consecutive delivery attempts
*/
double getFailureBackoff();
/**
* Get the maximum timeout (milliseconds) between delivery attempts
*/
long getMaxFailureTimer();
/**
* Get the expiration timer (milliseconds) for deliveries
*/
long getExpirationTimer();
/**
* Get the maximum number of file delivery attempts before checking
* if another queue has work to be performed.
*/
int getFairFileLimit();
/**
* Get the maximum amount of time spent delivering files before checking if another queue has work to be performed.
*/
long getFairTimeLimit();
/**
* Get the URL for delivering a file
*
* @param destinationInfo The destination information for the file to be delivered.
* @param fileid The file id for the file to be delivered.
* @return The URL for delivering the file (typically, destinationInfo.getURL() + "/" + fileid).
*/
String getDestURL(DestInfo destinationInfo, String fileid);
/**
* Forget redirections associated with a subscriber
*
* @param destinationInfo Destination information to forget
*/
void handleUnreachable(DestInfo destinationInfo);
/**
* Post redirection for a subscriber
*
* @param destinationInfo Destination information to update
* @param location Location given by subscriber
* @param fileid File ID of request
* @return true if this 3xx response is retryable, otherwise, false.
*/
boolean handleRedirection(DestInfo destinationInfo, String location, String fileid);
/**
* Should I handle 3xx responses differently than 4xx responses?
*/
boolean isFollowRedirects();
/**
* Get the feed ID for a subscription
*
* @param subid The subscription ID
* @return The feed ID
*/
String getFeedId(String subid);
}
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