Stats printing

src/main/kotlin/nl/astraeus/persistence/TransactionLog.kt

@@ -12,6 +12,22 @@ class TransactionLog(
     fileManager.findLastSnapshot().let { (after, snapshot) ->
       println("Last snapshot: $snapshot")
 
+      println("Snapshot:")
+      snapshot?.inputStream()?.use { input ->
+        ObjectInputStream(input).use { ois ->
+          val versionNumber = ois.readInt()
+          check(versionNumber == 1) { "Unsupported version number: $versionNumber" }
+          val transactionNumber = ois.readLong()
+          println("[$versionNumber]  $transactionNumber")
+          val data = ois.readObject() as MutableMap<Class<*>, TypeData>
+          println("Data:")
+          println("\tClasses:")
+          for ((cls, entries) in  data.entries) {
+            println("\t\t- $cls: ${entries.data.keys.size}")
+          }
+        }
+      }
+
       val transactions = fileManager.findTransactionsAfter(after ?: 0L)
 
       println("Transactions:")
@@ -22,7 +38,10 @@ class TransactionLog(
             check(versionNumber == 1) { "Unsupported version number: $versionNumber" }
             val transactionNumber = ois.readLong()
             val actions = ois.readObject() as Set<Action>
-            println("[$versionNumber]  $transactionNumber - ${actions.joinToString(",")}")
+            println("\t[$transactionNumber]")
+            for (action in actions) {
+              println("\t\t- $action")
+            }
           }
         }
       }