func (txn *Txn) populate(actionIndices capn.UInt16List, actions msgs.Action_List) {
localActions := make([]localAction, actionIndices.Len())
txn.localActions = localActions
var action *localAction
actionIndicesIdx := 0
actionIndex := -1
if actionIndicesIdx < actionIndices.Len() {
actionIndex = int(actionIndices.At(actionIndicesIdx))
action = &localActions[actionIndicesIdx]
}
for idx, l := 0, actions.Len(); idx < l; idx++ {
actionCap := actions.At(idx)
if idx == actionIndex {
action.Txn = txn
action.vUUId = common.MakeVarUUId(actionCap.VarId())
}
switch actionCap.Which() {
case msgs.ACTION_READ:
if idx == actionIndex {
readCap := actionCap.Read()
readVsn := common.MakeTxnId(readCap.Version())
action.readVsn = readVsn
}
case msgs.ACTION_WRITE:
if idx == actionIndex {
action.writeTxnActions = &actions
action.writeAction = &actionCap
txn.writes = append(txn.writes, action.vUUId)
} else {
txn.writes = append(txn.writes, common.MakeVarUUId(actionCap.VarId()))
}
case msgs.ACTION_READWRITE:
if idx == actionIndex {
readWriteCap := actionCap.Readwrite()
readVsn := common.MakeTxnId(readWriteCap.Version())
action.readVsn = readVsn
action.writeTxnActions = &actions
action.writeAction = &actionCap
txn.writes = append(txn.writes, action.vUUId)
} else {
txn.writes = append(txn.writes, common.MakeVarUUId(actionCap.VarId()))
}
case msgs.ACTION_CREATE:
if idx == actionIndex {
createCap := actionCap.Create()
positions := common.Positions(createCap.Positions())
action.writeTxnActions = &actions
action.writeAction = &actionCap
action.createPositions = &positions
txn.writes = append(txn.writes, action.vUUId)
} else {
txn.writes = append(txn.writes, common.MakeVarUUId(actionCap.VarId()))
}
case msgs.ACTION_ROLL:
if idx == actionIndex {
rollCap := actionCap.Roll()
readVsn := common.MakeTxnId(rollCap.Version())
action.readVsn = readVsn
action.writeTxnActions = &actions
action.writeAction = &actionCap
action.roll = true
txn.writes = append(txn.writes, action.vUUId)
} else {
txn.writes = append(txn.writes, common.MakeVarUUId(actionCap.VarId()))
}
default:
panic(fmt.Sprintf("Unexpected action type: %v", actionCap.Which()))
}
if idx == actionIndex {
actionIndicesIdx++
if actionIndicesIdx < actionIndices.Len() {
actionIndex = int(actionIndices.At(actionIndicesIdx))
action = &localActions[actionIndicesIdx]
}
}
}
if actionIndicesIdx != actionIndices.Len() {
panic(fmt.Sprintf("Expected to find %v local actions, but only found %v", actionIndices.Len(), actionIndicesIdx))
}
}
