package net.ktnx.mobileledger.ui.transaction_list;
-import android.arch.lifecycle.ViewModel;
import android.os.AsyncTask;
import net.ktnx.mobileledger.async.UpdateTransactionsTask;
import net.ktnx.mobileledger.model.Data;
import net.ktnx.mobileledger.model.TransactionListItem;
+import net.ktnx.mobileledger.utils.LockHolder;
import net.ktnx.mobileledger.utils.ObservableValue;
-import java.util.List;
+import androidx.lifecycle.ViewModel;
public class TransactionListViewModel extends ViewModel {
public static ObservableValue<Boolean> updating = new ObservableValue<>();
public static void scheduleTransactionListReload() {
if (Data.profile.get() == null) return;
- String filter = TransactionListFragment.accountFilter.get();
+ String filter = Data.accountFilter.getValue();
AsyncTask<String, Void, String> task = new UTT();
- task.execute(filter);
+ task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, filter);
}
public static TransactionListItem getTransactionListItem(int position) {
- List<TransactionListItem> transactions = Data.transactions.get();
- if (transactions == null) return null;
- if (position >= transactions.size() + 1) return null;
- if (position == transactions.size()) return new TransactionListItem();
- return transactions.get(position);
- }
- public static int getTransactionCount() {
- List<TransactionListItem> transactions = Data.transactions.get();
- if (transactions == null) return 0;
- return transactions.size();
+ try(LockHolder lh = Data.transactions.lockForReading()) {
+ if (Data.transactions == null) return null;
+ if (position >= Data.transactions.size() + 1) return null;
+ if (position == Data.transactions.size()) return new TransactionListItem();
+ return Data.transactions.get(position);
+ }
}
private static class UTT extends UpdateTransactionsTask {
@Override