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[CORDA-824]: fix resource leak in Cash selection (#2155)

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[CORDA-824]: fix resource leak in Cash selection and some example class
This commit is contained in:
Tudor Malene
2017-11-30 16:17:18 +00:00
committed by GitHub
parent b84fdd3ffc
commit 5a6f2a19b3
5 changed files with 94 additions and 79 deletions
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22
docs/source/example-code/src/main/kotlin/net/corda/docs/CustomVaultQuery.kt
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@ -24,6 +24,7 @@ object CustomVaultQuery {
private companion object {
private val log = contextLogger()
}
fun rebalanceCurrencyReserves(): List<Amount<Currency>> {
val nativeQuery = """
select
@ -44,16 +45,18 @@ object CustomVaultQuery {
"""
log.info("SQL to execute: $nativeQuery")
val session = services.jdbcSession()
val prepStatement = session.prepareStatement(nativeQuery)
val rs = prepStatement.executeQuery()
val topUpLimits: MutableList<Amount<Currency>> = mutableListOf()
while (rs.next()) {
val currencyStr = rs.getString(1)
val amount = rs.getLong(2)
log.info("$currencyStr : $amount")
topUpLimits.add(Amount(amount, Currency.getInstance(currencyStr)))
return session.prepareStatement(nativeQuery).use { prepStatement ->
prepStatement.executeQuery().use { rs ->
val topUpLimits: MutableList<Amount<Currency>> = mutableListOf()
while (rs.next()) {
val currencyStr = rs.getString(1)
val amount = rs.getLong(2)
log.info("$currencyStr : $amount")
topUpLimits.add(Amount(amount, Currency.getInstance(currencyStr)))
}
topUpLimits
}
}
return topUpLimits
}
}
}
@ -69,6 +72,7 @@ object TopupIssuerFlow {
data class TopupRequest(val issueToParty: Party,
val issuerPartyRef: OpaqueBytes,
val notaryParty: Party)
@InitiatingFlow
@StartableByRPC
class TopupIssuanceRequester(val issueToParty: Party,