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is the new musicplayer working?

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This commit is contained in:
minjaesong
2024-07-09 01:27:12 +09:00
parent 86c6f008f9
commit a236f49641
7 changed files with 198 additions and 85 deletions
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19
src/net/torvald/terrarum/transaction/Transaction.kt
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@@ -56,6 +56,7 @@ abstract class TransactionListener {
printdbg(this, "Accepting transaction $transaction")
Thread {
val state = getCurrentStatusForTransaction()
var wasSuccessful = false
val currentLock = transactionLockingClass.get()
if (currentLock == null) {
acquireLock(transaction)
@@ -63,23 +64,27 @@ abstract class TransactionListener {
transaction.start(state)
// if successful:
commitTransaction(state)
// notify the success
transaction.onSuccess(state)
wasSuccessful = true
}
catch (e: Throwable) {
// if failed, notify the failure
System.err.println("Transaction failure: generic")
System.err.println("Transaction failure: generic (failed transaction: $transaction)")
e.printStackTrace()
transaction.onFailure(e, state)
}
finally {
if (wasSuccessful) {
// notify the success
transaction.onSuccess(state)
}
releaseLock()
onFinally()
}
}
else {
System.err.println("Transaction failure: locked")
transaction.onFailure(LockedException(transaction, this, currentLock), state)
System.err.println("Transaction failure: locked (failed transaction: $transaction)")
transaction.onFailure(LockedException(this, currentLock), state)
}
}.start()
}
@@ -88,8 +93,8 @@ abstract class TransactionListener {
protected abstract fun commitTransaction(state: TransactionState)
}
class LockedException(offendingTransaction: Transaction, listener: TransactionListener, lockedBy: Transaction) :
Exception("Transaction '$offendingTransaction' is rejected because the class '$listener' is locked by '$lockedBy'")
class LockedException(listener: TransactionListener, lockedBy: Transaction) :
Exception("The class '$listener' is locked by '$lockedBy'")
@JvmInline value class TransactionState(val valueTable: HashMap<String, Any?>) {
operator fun get(key: String) = valueTable[key]