JTA和JTS
JTA,即Java Transaction API,JTA允许应用程序执行分布式事务处理–在两个或多个网络计算机资源上访问并且更新数据。JDBC驱动程序的JTA支持极大地增强了数据访问能力。
JTA事务比JDBC事务更强大。一个JTA事务可以有多个参与者,而一个JDBC事务则被限定在一个单一的数据库连接。下列任一个Java平台的组件都可以参与到一个JTA事务中:JDBC连接、JDO PersistenceManager 对象、JMS 队列、JMS 主题、企业JavaBeans(EJB)、一个用J2EE Connector Architecture 规范编译的资源分配器。
JTS 只是一个组件事务监视器(有时也称为 对象事务监视器(object transaction monitor)),或称为 CTM。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*n/9T
e2EO+h8qO1fOYJgRU0xSDkDJeiDw9yZ1kxsSLaCdgJCUz8S+it8BHsjbVZamCdXe
g8A0L3JpT/DeLDNdyOwtTELGod0E0p2GW78mBNn8Gf05SQQiwElW3fMEu7iUQcOT
ZmYjmRAr5LfirQeBKokBb13Z9Mf3x4PMIaOIhB73mpkNwDr7/Gt8k8K58pIsrFkg
+Ba13wYGyKruMaRTkDnz3PmHp39zQXts7/0k/BcSBDDZpUG+yJMaobyyHX2CvbqR
y7rOqXwc4ktQ872cXwfLBMoy/2fM6NolFkXZwLcyfaBvxKdij02Mz//ivYxPS7Zz
Lhrkp0NmdMpUcr/gbipMCFpVxuprTwMWZGR05mJFQ4VoTkcS2srNHnugdjqwsAFG
KL60BT31mEUtbu4leynFgYCS6FkRfGNNJWbFTHTz1L7528vOh/nCkqcmHd8zKqPq
yn6gny5Ln4JXDlHx6FtuvJmaJaH3rCtbbXSuQ+1Ga/GkuWHQ9HbWCWKnWD2yBjX6
7GEcHnwDc6oYBBVRF1p77R+dtzb/t7pXh3ZFBPKYy9BrQzar0OCsDTG0xpSr1LeM
7wPL+v/zrnRYZ6n7QdeOLPsugOCmAMXPT/3LFQCaE5JwtgR+uTFlOVtk7czvcQK1
1eNj+G7vHUh4+ImD8L5CNAGdeTbE8KEKMUYqR1HqkK7plhW4ur/n202QR5+nOf5H
moZQR5nfVhu3qXLecxADIzi2zudCJfGh1kSrzt0ksrobKR4vmA2Xath8t4hUq9ZV
tl2yOhMBqOuvoMvyuoXq9UDdIcFKrsXpfEXcDF8PTOSzsUaBhrK5mVukdyPS6X1+
y+xHdbBcZBqojGCcuiTW2+tYl9I2CricmLWg6ijcYc5KadPqDO0nI8et1+8lGjY7
mDgXXTKyzeBWFeBMUhESWBGZv+tHtLz8vUkWWrqZ2CPFviMbr7IRwVHGuTpTnTE+
yG3x9w8b74HO+8NwhmPxVZguFrNEHpbGAWQV8PFAzMk0hShRDb/CH66stExLjW5u
LVa1WyR1B2KXDyMUpVNhrS72nrNdFv7JSgbZaj2JhNBYwHHxji57JP+THBQUBmtU
yRkwktd3RFAPRfus5+mDgPjvQL/9t4tOdPydepY/S6KdHFlibhMzCQn1vysMV3CQ
qM7SuIAlfg8RGqNiDSXMsW4SYl6iZJ8pFc/RbdOHvMQdbJMoI336/PLInoYEWKEH
6qb3aIma4pgOGBffxA1qTKUE445PxinPv/MVFJBGYwA=