/*
|
* Copyright 1999-2019 Seata.io Group.
|
*
|
* 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.
|
*/
|
package io.seata.server.session;
|
|
import io.seata.core.model.GlobalStatus;
|
|
/**
|
* The type change status validator.
|
*
|
* @author Bughue
|
*/
|
public class SessionStatusValidator {
|
|
/**
|
* is timeout global status
|
*
|
* @param status the global session
|
*/
|
public static boolean isTimeoutGlobalStatus(GlobalStatus status) {
|
return status == GlobalStatus.TimeoutRollbacked
|
|| status == GlobalStatus.TimeoutRollbackFailed
|
|| status == GlobalStatus.TimeoutRollbacking
|
|| status == GlobalStatus.TimeoutRollbackRetrying;
|
}
|
|
/**
|
* is rollback global status
|
*
|
* @param status the global session
|
*/
|
public static boolean isRollbackGlobalStatus(GlobalStatus status) {
|
return status == GlobalStatus.Rollbacking
|
|| status == GlobalStatus.RollbackRetrying
|
|| status == GlobalStatus.Rollbacked
|
|| status == GlobalStatus.RollbackFailed
|
|| status == GlobalStatus.RollbackRetryTimeout;
|
}
|
|
/**
|
* is commit global status
|
*
|
* @param status the global session
|
*/
|
public static boolean isCommitGlobalStatus(GlobalStatus status) {
|
return status == GlobalStatus.Committing
|
|| status == GlobalStatus.AsyncCommitting
|
|| status == GlobalStatus.CommitRetrying
|
|| status == GlobalStatus.Committed
|
|| status == GlobalStatus.CommitFailed
|
|| status == GlobalStatus.CommitRetryTimeout;
|
}
|
|
/**
|
* check the relation of before status and after status
|
*
|
* @param before the global session
|
* @param after the global session
|
*/
|
public static boolean validateUpdateStatus(GlobalStatus before, GlobalStatus after) {
|
if (isTimeoutGlobalStatus(before) && isCommitGlobalStatus(after)) {
|
return false;
|
}
|
if (isCommitGlobalStatus(before) && isTimeoutGlobalStatus(after)) {
|
return false;
|
}
|
if (isRollbackGlobalStatus(before) && isCommitGlobalStatus(after)) {
|
return false;
|
}
|
if (isCommitGlobalStatus(before) && isRollbackGlobalStatus(after)) {
|
return false;
|
}
|
return true;
|
}
|
}
|
