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Write update query in HQL (#523)

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Thomas Schroeter 2018-03-14 15:01:04 +00:00 committed by GitHub
parent 1b02291321
commit a2783f4c8f
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1 changed files with 4 additions and 6 deletions
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node/src/main/kotlin/net/corda/node/services/persistence/RunOnceService.kt
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@ -139,20 +139,18 @@ class RunOnceService(private val database: CordaPersistence, private val machine
private fun updateTimestamp(session: Session, mutualExclusion: MutualExclusion): Boolean {
val minWaitTime = mutualExclusion.timestamp.plus(waitInterval, ChronoField.MILLI_OF_SECOND.baseUnit)
val query = session.createNativeQuery("UPDATE $TABLE SET $MACHINE_NAME = :machineName, $TIMESTAMP = CURRENT_TIMESTAMP, $PID = :pid " +
val hql = "UPDATE RunOnceService\$MutualExclusion SET $MACHINE_NAME = :machineName, $TIMESTAMP = CURRENT_TIMESTAMP, $PID = :pid " +
"WHERE $ID = 'X' AND " +
// we are master node
"($MACHINE_NAME = :machineName OR " +
// change master node
"($MACHINE_NAME != :machineName AND " +
// no one else has updated timestamp whilst we attempted this update
"$TIMESTAMP = CAST(:mutualExclusionTimestamp AS DATETIME) AND " +
"$TIMESTAMP = CAST(:mutualExclusionTimestamp AS LocalDateTime) AND " +
// old timestamp
"CURRENT_TIMESTAMP > CAST(:waitTime AS DATETIME)))", MutualExclusion::class.java)
"CURRENT_TIMESTAMP > CAST(:waitTime AS LocalDateTime)))"
query.unwrap(org.hibernate.SQLQuery::class.java).addSynchronizedEntityClass(MutualExclusion::class.java)
val query = session.createQuery(hql)
query.setParameter("pid", pid)
query.setParameter("machineName", machineName)