/*
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* Copyright 1999-2019 Seata.io Group.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package io.seata.server.session;
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import io.seata.core.exception.BranchTransactionException;
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import io.seata.core.exception.GlobalTransactionException;
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import io.seata.core.exception.TransactionException;
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import io.seata.core.exception.TransactionExceptionCode;
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import io.seata.core.model.BranchStatus;
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import io.seata.core.model.GlobalStatus;
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import io.seata.core.model.LockStatus;
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import io.seata.server.store.SessionStorable;
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import io.seata.server.store.TransactionStoreManager;
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import io.seata.server.store.TransactionStoreManager.LogOperation;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* The type Abstract session manager.
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*/
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public abstract class AbstractSessionManager implements SessionManager, SessionLifecycleListener {
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/**
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* The constant LOGGER.
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*/
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protected static final Logger LOGGER = LoggerFactory.getLogger(AbstractSessionManager.class);
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/**
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* The Transaction store manager.
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*/
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protected TransactionStoreManager transactionStoreManager;
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/**
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* The Name.
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*/
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protected String name;
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/**
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* Instantiates a new Abstract session manager.
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*/
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public AbstractSessionManager() {
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}
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/**
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* Instantiates a new Abstract session manager.
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*
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* @param name the name
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*/
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public AbstractSessionManager(String name) {
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this.name = name;
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}
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@Override
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public void addGlobalSession(GlobalSession session) throws TransactionException {
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if (LOGGER.isDebugEnabled()) {
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LOGGER.debug("MANAGER[{}] SESSION[{}] {}", name, session, LogOperation.GLOBAL_ADD);
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}
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writeSession(LogOperation.GLOBAL_ADD, session);
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}
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@Override
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public void updateGlobalSessionStatus(GlobalSession session, GlobalStatus status) throws TransactionException {
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if (LOGGER.isDebugEnabled()) {
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LOGGER.debug("MANAGER[{}] SESSION[{}] {}", name, session, LogOperation.GLOBAL_UPDATE);
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}
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if (GlobalStatus.Rollbacking == status) {
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session.getBranchSessions().forEach(i -> i.setLockStatus(LockStatus.Rollbacking));
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}
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writeSession(LogOperation.GLOBAL_UPDATE, session);
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}
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@Override
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public void removeGlobalSession(GlobalSession session) throws TransactionException {
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if (LOGGER.isDebugEnabled()) {
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LOGGER.debug("MANAGER[{}] SESSION[{}] {}", name, session, LogOperation.GLOBAL_REMOVE);
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}
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writeSession(LogOperation.GLOBAL_REMOVE, session);
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}
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@Override
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public void addBranchSession(GlobalSession session, BranchSession branchSession) throws TransactionException {
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if (LOGGER.isDebugEnabled()) {
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LOGGER.debug("MANAGER[{}] SESSION[{}] {}", name, branchSession, LogOperation.BRANCH_ADD);
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}
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writeSession(LogOperation.BRANCH_ADD, branchSession);
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}
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@Override
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public void updateBranchSessionStatus(BranchSession branchSession, BranchStatus status)
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throws TransactionException {
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if (LOGGER.isDebugEnabled()) {
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LOGGER.debug("MANAGER[{}] SESSION[{}] {}", name, branchSession, LogOperation.BRANCH_UPDATE);
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}
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writeSession(LogOperation.BRANCH_UPDATE, branchSession);
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}
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@Override
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public void removeBranchSession(GlobalSession globalSession, BranchSession branchSession)
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throws TransactionException {
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if (LOGGER.isDebugEnabled()) {
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LOGGER.debug("MANAGER[{}] SESSION[{}] {}", name, branchSession, LogOperation.BRANCH_REMOVE);
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}
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writeSession(LogOperation.BRANCH_REMOVE, branchSession);
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}
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@Override
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public void onBegin(GlobalSession globalSession) throws TransactionException {
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addGlobalSession(globalSession);
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}
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@Override
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public void onStatusChange(GlobalSession globalSession, GlobalStatus status) throws TransactionException {
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updateGlobalSessionStatus(globalSession, status);
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}
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@Override
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public void onBranchStatusChange(GlobalSession globalSession, BranchSession branchSession, BranchStatus status)
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throws TransactionException {
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updateBranchSessionStatus(branchSession, status);
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}
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@Override
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public void onAddBranch(GlobalSession globalSession, BranchSession branchSession) throws TransactionException {
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addBranchSession(globalSession, branchSession);
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}
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@Override
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public void onRemoveBranch(GlobalSession globalSession, BranchSession branchSession) throws TransactionException {
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removeBranchSession(globalSession, branchSession);
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}
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@Override
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public void onClose(GlobalSession globalSession) throws TransactionException {
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globalSession.setActive(false);
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}
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@Override
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public void onSuccessEnd(GlobalSession globalSession) throws TransactionException {
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removeGlobalSession(globalSession);
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}
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@Override
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public void onFailEnd(GlobalSession globalSession) throws TransactionException {
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LOGGER.info("xid:{} fail end, transaction:{}",globalSession.getXid(),globalSession.toString());
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}
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private void writeSession(LogOperation logOperation, SessionStorable sessionStorable) throws TransactionException {
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if (!transactionStoreManager.writeSession(logOperation, sessionStorable)) {
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if (LogOperation.GLOBAL_ADD.equals(logOperation)) {
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throw new GlobalTransactionException(TransactionExceptionCode.FailedWriteSession,
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"Fail to store global session");
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} else if (LogOperation.GLOBAL_UPDATE.equals(logOperation)) {
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throw new GlobalTransactionException(TransactionExceptionCode.FailedWriteSession,
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"Fail to update global session");
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} else if (LogOperation.GLOBAL_REMOVE.equals(logOperation)) {
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throw new GlobalTransactionException(TransactionExceptionCode.FailedWriteSession,
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"Fail to remove global session");
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} else if (LogOperation.BRANCH_ADD.equals(logOperation)) {
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throw new BranchTransactionException(TransactionExceptionCode.FailedWriteSession,
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"Fail to store branch session");
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} else if (LogOperation.BRANCH_UPDATE.equals(logOperation)) {
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throw new BranchTransactionException(TransactionExceptionCode.FailedWriteSession,
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"Fail to update branch session");
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} else if (LogOperation.BRANCH_REMOVE.equals(logOperation)) {
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throw new BranchTransactionException(TransactionExceptionCode.FailedWriteSession,
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"Fail to remove branch session");
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} else {
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throw new BranchTransactionException(TransactionExceptionCode.FailedWriteSession,
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"Unknown LogOperation:" + logOperation.name());
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}
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}
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}
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@Override
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public void destroy() {
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}
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/**
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* Sets transaction store manager.
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*
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* @param transactionStoreManager the transaction store manager
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*/
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public void setTransactionStoreManager(TransactionStoreManager transactionStoreManager) {
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this.transactionStoreManager = transactionStoreManager;
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}
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}
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