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/*
* Copyright 2010-2019 Amazon.com, Inc. or its affiliates. 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.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.
* According to cos feature, we modify some class，comment, field name, etc.
*/
package com.qcloud.cos.event;
/**
* An enumeration that denotes various types of progress event.
*/
public enum ProgressEventType {
//////////////////////////////////////////////////////////////////////////
// Request Cycle Event:
// related to the execution of a single http request-response to COS
//////////////////////////////////////////////////////////////////////////
/**
* A general byte transfer event that happens during sending a request or
* reading a response.
*/
@Deprecated
BYTE_TRANSFER_EVENT,
/**
* Event of the content length to be sent in a request.
*/
REQUEST_CONTENT_LENGTH_EVENT,
/**
* Event of the content length received in a response.
*/
RESPONSE_CONTENT_LENGTH_EVENT,
/**
* Used to indicate the number of bytes to be sent to COS.
*/
REQUEST_BYTE_TRANSFER_EVENT,
/**
* Used to indicate the number of bytes received from COS.
*/
RESPONSE_BYTE_TRANSFER_EVENT,
/**
* Used to indicate the number of bytes discarded after being received from COS.
*/
RESPONSE_BYTE_DISCARD_EVENT,
/* Generic request progress events */
/**
* Event indicating that the client has started sending the COS API request.
* This type of event is guaranteed to be only fired once during a
* request-response cycle, even when the request is retried.
*/
CLIENT_REQUEST_STARTED_EVENT,
/**
* Event indicating that the client has started sending the HTTP request.
* The request progress listener will be notified of multiple instances of
* this type of event if the request gets retried.
*/
HTTP_REQUEST_STARTED_EVENT,
/**
* Event indicating that the client has finished sending the HTTP request.
* The request progress listener will be notified of multiple instances of
* this type of event if the request gets retried.
*/
HTTP_REQUEST_COMPLETED_EVENT,
/**
* Event indicating that the HTTP request content is reset, which may or may not
* be caused by the retry of the request.
*/
HTTP_REQUEST_CONTENT_RESET_EVENT,
/**
* Event indicating that a failed request is detected as retryable and is
* ready for the next retry.
*/
CLIENT_REQUEST_RETRY_EVENT,
/**
* Event indicating that the client has started reading the HTTP response.
* The request progress listener will be notified of this event only if the
* client receives a successful service response (i.e. 2XX status code).
*/
HTTP_RESPONSE_STARTED_EVENT,
/**
* Event indicating that the client has finished reading the HTTP response.
* The request progress listener will be notified of this event only if the
* client receives a successful service response (i.e. 2XX status code).
*/
HTTP_RESPONSE_COMPLETED_EVENT,
/**
* Event indicating that the HTTP response content is reset.
*/
HTTP_RESPONSE_CONTENT_RESET_EVENT,
/**
* Event indicating that the client has received a successful service
* response and has finished parsing the response data.
*/
CLIENT_REQUEST_SUCCESS_EVENT,
/**
* Event indicating that a client request has failed (after retries have
* been conducted).
*/
CLIENT_REQUEST_FAILED_EVENT,
//////////////////////////////////////////////////////////////////////////
// Transfer Event:
// Progress events that are used by COS client */
//////////////////////////////////////////////////////////////////////////
TRANSFER_PREPARING_EVENT,
TRANSFER_STARTED_EVENT,
TRANSFER_COMPLETED_EVENT,
TRANSFER_FAILED_EVENT,
TRANSFER_CANCELED_EVENT,
TRANSFER_PART_STARTED_EVENT,
TRANSFER_PART_COMPLETED_EVENT,
TRANSFER_PART_FAILED_EVENT;
/**
* Returns true if this event type is a transfer event, which may involve
* multiple request cycle events.
*
* @see #isRequestCycleEvent()
*/
public boolean isTransferEvent() {
switch (this) {
case TRANSFER_CANCELED_EVENT:
case TRANSFER_COMPLETED_EVENT:
case TRANSFER_FAILED_EVENT:
case TRANSFER_PART_COMPLETED_EVENT:
case TRANSFER_PART_FAILED_EVENT:
case TRANSFER_PART_STARTED_EVENT:
case TRANSFER_PREPARING_EVENT:
case TRANSFER_STARTED_EVENT:
return true;
default:
return false;
}
}
/**
* Returns true if this event type is related to the execution of a
* single http request-response to COS; false otherwise.
*/
public boolean isRequestCycleEvent() {
return !isTransferEvent();
}
/**
* Returns true if this even type is associated with some number of bytes;
* false otherwise.
*/
public boolean isByteCountEvent() {
switch (this) {
case BYTE_TRANSFER_EVENT:
case HTTP_REQUEST_CONTENT_RESET_EVENT:
case HTTP_RESPONSE_CONTENT_RESET_EVENT:
case REQUEST_BYTE_TRANSFER_EVENT:
case RESPONSE_BYTE_TRANSFER_EVENT:
case RESPONSE_BYTE_DISCARD_EVENT:
case REQUEST_CONTENT_LENGTH_EVENT:
case RESPONSE_CONTENT_LENGTH_EVENT:
return true;
default:
return false;
}
}
}
