33 lines
946 B
Kotlin
33 lines
946 B
Kotlin
package nl.astraeus.nl.astraeus.persistence
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import java.io.File
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import java.io.ObjectInputStream
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class TransactionLog(
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val directory: File,
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) {
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val fileManager = FileManager(directory)
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fun showTransactions() {
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fileManager.findLastSnapshot().let { (after, snapshot) ->
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println("Last snapshot: $snapshot")
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val transactions = fileManager.findTransactionsAfter(after ?: 0L)
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println("Transactions:")
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transactions?.forEach { transaction ->
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transaction.inputStream().use { input ->
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ObjectInputStream(input).use { ois ->
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val versionNumber = ois.readInt()
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check(versionNumber == 1) { "Unsupported version number: $versionNumber" }
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val transactionNumber = ois.readLong()
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val actions = ois.readObject() as Set<Action>
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println("[$versionNumber] $transactionNumber - ${actions.joinToString(",")}")
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}
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}
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}
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}
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}
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} |