ThrowawayTransactions (on database close)

Some transactions can now be ignored on shutdown to reduce hang time.

Affects issues:
- Close #1152

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/StoreIconTransaction.java

@@ -22,7 +22,7 @@ import com.djrapitops.plan.storage.database.queries.Query;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionIconTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -34,7 +34,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class StoreIconTransaction extends Transaction {
+public class StoreIconTransaction extends ThrowawayTransaction {
 
     private final Icon icon;
 

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/StorePluginTransaction.java

@@ -21,7 +21,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionIconTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionPluginTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -35,7 +35,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.WHERE;
  *
  * @author Rsl1122
  */
-public class StorePluginTransaction extends Transaction {
+public class StorePluginTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final long time;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/StoreTabInformationTransaction.java

@@ -23,7 +23,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionPluginTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionTabTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -37,7 +37,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.WHERE;
  *
  * @author Rsl1122
  */
-public class StoreTabInformationTransaction extends Transaction {
+public class StoreTabInformationTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/providers/StoreBooleanProviderTransaction.java

@@ -23,7 +23,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionPluginTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionTabTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -40,7 +40,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderT
  *
  * @author Rsl1122
  */
-public class StoreBooleanProviderTransaction extends Transaction {
+public class StoreBooleanProviderTransaction extends ThrowawayTransaction {
 
     private final String providedCondition;
     private final boolean hidden;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/providers/StoreDoubleProviderTransaction.java

@@ -23,7 +23,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionPluginTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionTabTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -44,7 +44,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderT
  *
  * @author Rsl1122
  */
-public class StoreDoubleProviderTransaction extends Transaction {
+public class StoreDoubleProviderTransaction extends ThrowawayTransaction {
 
     private final UUID serverUUID;
     private final ProviderInformation providerInformation;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/providers/StoreGroupProviderTransaction.java

@@ -23,7 +23,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionPluginTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionTabTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -40,7 +40,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderT
  *
  * @author Rsl1122
  */
-public class StoreGroupProviderTransaction extends Transaction {
+public class StoreGroupProviderTransaction extends ThrowawayTransaction {
 
     private final UUID serverUUID;
     private ProviderInformation providerInformation;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/providers/StoreNumberProviderTransaction.java

@@ -24,7 +24,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionPluginTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionTabTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -42,7 +42,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderT
  * @author Rsl1122
  */
 @SuppressWarnings("Duplicates")
-public class StoreNumberProviderTransaction extends Transaction {
+public class StoreNumberProviderTransaction extends ThrowawayTransaction {
 
     private final FormatType formatType;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/providers/StoreStringProviderTransaction.java

@@ -23,7 +23,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionPluginTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionTabTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -40,7 +40,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderT
  *
  * @author Rsl1122
  */
-public class StoreStringProviderTransaction extends Transaction {
+public class StoreStringProviderTransaction extends ThrowawayTransaction {
 
     private final boolean playerName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/providers/StoreTableProviderTransaction.java

@@ -25,7 +25,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionPluginTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionTabTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -41,7 +41,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionTableProv
  *
  * @author Rsl1122
  */
-public class StoreTableProviderTransaction extends Transaction {
+public class StoreTableProviderTransaction extends ThrowawayTransaction {
 
     private final UUID serverUUID;
     private final ProviderInformation providerInformation;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/RemoveInvalidResultsTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.*;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -33,7 +33,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class RemoveInvalidResultsTransaction extends Transaction {
+public class RemoveInvalidResultsTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/RemoveUnsatisfiedConditionalPlayerResultsTransaction.java

@@ -20,7 +20,7 @@ import com.djrapitops.plan.storage.database.DBType;
 import com.djrapitops.plan.storage.database.sql.tables.*;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -38,7 +38,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class RemoveUnsatisfiedConditionalPlayerResultsTransaction extends Transaction {
+public class RemoveUnsatisfiedConditionalPlayerResultsTransaction extends ThrowawayTransaction {
 
     private final String providerTable;
     private final String playerValueTable;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/RemoveUnsatisfiedConditionalServerResultsTransaction.java

@@ -23,7 +23,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionServerValueTable
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionTableProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -42,7 +42,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class RemoveUnsatisfiedConditionalServerResultsTransaction extends Transaction {
+public class RemoveUnsatisfiedConditionalServerResultsTransaction extends ThrowawayTransaction {
 
     private final String providerTable;
     private final String serverValueTable;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StorePlayerBooleanResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -34,7 +34,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionPlayerVal
  *
  * @author Rsl1122
  */
-public class StorePlayerBooleanResultTransaction extends Transaction {
+public class StorePlayerBooleanResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StorePlayerDoubleResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -34,7 +34,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionPlayerVal
  *
  * @author Rsl1122
  */
-public class StorePlayerDoubleResultTransaction extends Transaction {
+public class StorePlayerDoubleResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StorePlayerGroupsResultTransaction.java

@@ -20,7 +20,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionGroupsTable;
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 import org.apache.commons.lang3.StringUtils;
 
 import java.sql.PreparedStatement;
@@ -34,7 +34,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class StorePlayerGroupsResultTransaction extends Transaction {
+public class StorePlayerGroupsResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StorePlayerNumberResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -34,7 +34,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionPlayerVal
  *
  * @author Rsl1122
  */
-public class StorePlayerNumberResultTransaction extends Transaction {
+public class StorePlayerNumberResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StorePlayerPercentageResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -34,7 +34,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionPlayerVal
  *
  * @author Rsl1122
  */
-public class StorePlayerPercentageResultTransaction extends Transaction {
+public class StorePlayerPercentageResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StorePlayerStringResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -34,7 +34,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionPlayerVal
  *
  * @author Rsl1122
  */
-public class StorePlayerStringResultTransaction extends Transaction {
+public class StorePlayerStringResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StorePlayerTableResultTransaction.java

@@ -25,7 +25,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionTableProviderTab
 import com.djrapitops.plan.storage.database.transactions.ExecBatchStatement;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 import org.apache.commons.lang3.StringUtils;
 
 import java.sql.PreparedStatement;
@@ -42,7 +42,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionPlayerTab
  *
  * @author Rsl1122
  */
-public class StorePlayerTableResultTransaction extends Transaction {
+public class StorePlayerTableResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StoreServerBooleanResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -33,7 +33,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionServerVal
  *
  * @author Rsl1122
  */
-public class StoreServerBooleanResultTransaction extends Transaction {
+public class StoreServerBooleanResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StoreServerDoubleResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -33,7 +33,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionServerVal
  *
  * @author Rsl1122
  */
-public class StoreServerDoubleResultTransaction extends Transaction {
+public class StoreServerDoubleResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StoreServerNumberResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -33,7 +33,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionServerVal
  *
  * @author Rsl1122
  */
-public class StoreServerNumberResultTransaction extends Transaction {
+public class StoreServerNumberResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StoreServerPercentageResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -33,7 +33,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionServerVal
  *
  * @author Rsl1122
  */
-public class StoreServerPercentageResultTransaction extends Transaction {
+public class StoreServerPercentageResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StoreServerStringResultTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.extension.implementation.storage.transactions.result
 import com.djrapitops.plan.storage.database.sql.tables.ExtensionProviderTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -33,7 +33,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionServerVal
  *
  * @author Rsl1122
  */
-public class StoreServerStringResultTransaction extends Transaction {
+public class StoreServerStringResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/extension/implementation/storage/transactions/results/StoreServerTableResultTransaction.java

@@ -25,7 +25,7 @@ import com.djrapitops.plan.storage.database.sql.tables.ExtensionTableProviderTab
 import com.djrapitops.plan.storage.database.transactions.ExecBatchStatement;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 import org.apache.commons.lang3.StringUtils;
 
 import java.sql.PreparedStatement;
@@ -42,7 +42,7 @@ import static com.djrapitops.plan.storage.database.sql.tables.ExtensionServerTab
  *
  * @author Rsl1122
  */
-public class StoreServerTableResultTransaction extends Transaction {
+public class StoreServerTableResultTransaction extends ThrowawayTransaction {
 
     private final String pluginName;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/storage/database/DBAccessLock.java

@@ -52,7 +52,9 @@ public class DBAccessLock {
             return;
         }
         try {
-            while (database.getState() != Database.State.OPEN) {
+            // Wait for the database to be in OPEN or CLOSING state before allowing execution.
+            // CLOSING is not an allowed state if database was not OPEN at the time of close.
+            while (database.getState() != Database.State.OPEN && database.getState() != Database.State.CLOSING) {
                 synchronized (lockObject) {
                     lockObject.wait();
                     if (database.getState() == Database.State.CLOSED) {

Plan/common/src/main/java/com/djrapitops/plan/storage/database/Database.java

@@ -74,9 +74,18 @@ public interface Database {
 
     State getState();
 
+    /**
+     * Possible State changes:
+     * CLOSED -> PATCHING (Database init),
+     * PATCHING -> OPEN (Database initialized),
+     * OPEN -> CLOSING (Database closing),
+     * CLOSING -> CLOSED (Database closed),
+     * PATCHING -> CLOSED (Database closed prematurely)
+     */
     enum State {
         CLOSED,
         PATCHING,
-        OPEN
+        OPEN,
+        CLOSING
     }
 }

Plan/common/src/main/java/com/djrapitops/plan/storage/database/SQLDB.java

@@ -213,8 +213,9 @@ public abstract class SQLDB extends AbstractDatabase {
 
     @Override
     public void close() {
-        setState(State.CLOSED);
+        if (getState() == State.OPEN) setState(State.CLOSING);
         closeTransactionExecutor(transactionExecutor);
+        setState(State.CLOSED);
     }
 
     public abstract Connection getConnection() throws SQLException;

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/BackupCopyTransaction.java

@@ -42,7 +42,7 @@ public class BackupCopyTransaction extends RemoveEverythingTransaction {
 
     @Override
     protected boolean shouldBeExecuted() {
-        return !sourceDB.equals(destinationDB) && sourceDB.getState() != Database.State.CLOSED;
+        return super.shouldBeExecuted() && !sourceDB.equals(destinationDB) && sourceDB.getState() != Database.State.CLOSED;
     }
 
     @Override

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/ThrowawayTransaction.java

@@ -0,0 +1,34 @@
+/*
+ *  This file is part of Player Analytics (Plan).
+ *
+ *  Plan is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License v3 as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  Plan is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with Plan. If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.djrapitops.plan.storage.database.transactions;
+
+import com.djrapitops.plan.storage.database.Database;
+
+/**
+ * {@link Transaction} that can be thrown away if it is in execution when the database is closing.
+ * <p>
+ * This transaction type is for storing data that is not critical to be saved on plugin shutdown.
+ *
+ * @author Rsl1122
+ */
+public abstract class ThrowawayTransaction extends Transaction {
+
+    @Override
+    protected boolean shouldBeExecuted() {
+        return getDBState() != Database.State.CLOSING;
+    }
+}

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/Transaction.java

@@ -18,6 +18,7 @@ package com.djrapitops.plan.storage.database.transactions;
 
 import com.djrapitops.plan.exceptions.database.DBOpException;
 import com.djrapitops.plan.storage.database.DBType;
+import com.djrapitops.plan.storage.database.Database;
 import com.djrapitops.plan.storage.database.SQLDB;
 import com.djrapitops.plan.storage.database.queries.Query;
 import com.djrapitops.plugin.utilities.Verify;
@@ -170,6 +171,10 @@ public abstract class Transaction {
         transaction.db = null;
     }
 
+    protected Database.State getDBState() {
+        return db.getState();
+    }
+
     protected UUID getServerUUID() {
         return db.getServerUUIDSupplier().get();
     }

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/commands/RemoveEverythingTransaction.java

@@ -17,7 +17,7 @@
 package com.djrapitops.plan.storage.database.transactions.commands;
 
 import com.djrapitops.plan.storage.database.sql.tables.*;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import static com.djrapitops.plan.storage.database.sql.parsing.Sql.DELETE_FROM;
 
@@ -26,7 +26,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.DELETE_FROM;
  *
  * @author Rsl1122
  */
-public class RemoveEverythingTransaction extends Transaction {
+public class RemoveEverythingTransaction extends ThrowawayTransaction {
 
     @Override
     protected void performOperations() {

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/commands/RemovePlayerTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.storage.database.transactions.commands;
 import com.djrapitops.plan.storage.database.queries.PlayerFetchQueries;
 import com.djrapitops.plan.storage.database.sql.tables.*;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -32,7 +32,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class RemovePlayerTransaction extends Transaction {
+public class RemovePlayerTransaction extends ThrowawayTransaction {
 
     private final UUID playerUUID;
 

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/commands/SetServerAsUninstalledTransaction.java

@@ -19,7 +19,7 @@ package com.djrapitops.plan.storage.database.transactions.commands;
 import com.djrapitops.plan.storage.database.sql.tables.ServerTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -32,7 +32,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.WHERE;
  *
  * @author Rsl1122
  */
-public class SetServerAsUninstalledTransaction extends Transaction {
+public class SetServerAsUninstalledTransaction extends ThrowawayTransaction {
 
     private final UUID serverUUID;
 

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/events/KickStoreTransaction.java

@@ -18,7 +18,7 @@ package com.djrapitops.plan.storage.database.transactions.events;
 
 import com.djrapitops.plan.storage.database.sql.tables.UsersTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -31,7 +31,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.WHERE;
  *
  * @author Rsl1122
  */
-public class KickStoreTransaction extends Transaction {
+public class KickStoreTransaction extends ThrowawayTransaction {
 
     private final UUID playerUUID;
 

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/events/NicknameStoreTransaction.java

@@ -18,7 +18,7 @@ package com.djrapitops.plan.storage.database.transactions.events;
 
 import com.djrapitops.plan.delivery.domain.Nickname;
 import com.djrapitops.plan.storage.database.queries.DataStoreQueries;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.util.UUID;
 import java.util.function.BiPredicate;
@@ -28,7 +28,7 @@ import java.util.function.BiPredicate;
  *
  * @author Rsl1122
  */
-public class NicknameStoreTransaction extends Transaction {
+public class NicknameStoreTransaction extends ThrowawayTransaction {
 
     private final UUID playerUUID;
     private final Nickname nickname;

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/events/OperatorStatusTransaction.java

@@ -20,7 +20,7 @@ import com.djrapitops.plan.storage.database.sql.parsing.Update;
 import com.djrapitops.plan.storage.database.sql.tables.UserInfoTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -31,7 +31,7 @@ import java.util.UUID;
  *
  * @author Rsl1122
  */
-public class OperatorStatusTransaction extends Transaction {
+public class OperatorStatusTransaction extends ThrowawayTransaction {
 
     private UUID playerUUID;
     private boolean operatorStatus;

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/init/RemoveDuplicateUserInfoTransaction.java

@@ -17,7 +17,7 @@
 package com.djrapitops.plan.storage.database.transactions.init;
 
 import com.djrapitops.plan.storage.database.sql.tables.UserInfoTable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
 
@@ -29,7 +29,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class RemoveDuplicateUserInfoTransaction extends Transaction {
+public class RemoveDuplicateUserInfoTransaction extends ThrowawayTransaction {
 
     private static final String COLUMN_ID = UserInfoTable.TABLE_NAME + '.' + UserInfoTable.ID;
     private static final String STATEMENT_SELECT_DUPLICATE_IDS =

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/init/RemoveOldExtensionsTransaction.java

@@ -20,7 +20,7 @@ import com.djrapitops.plan.storage.database.queries.Query;
 import com.djrapitops.plan.storage.database.queries.QueryStatement;
 import com.djrapitops.plan.storage.database.sql.tables.*;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.ResultSet;
@@ -36,7 +36,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class RemoveOldExtensionsTransaction extends Transaction {
+public class RemoveOldExtensionsTransaction extends ThrowawayTransaction {
 
     private final long deleteOlder;
     private final UUID serverUUID;

Plan/common/src/main/java/com/djrapitops/plan/storage/database/transactions/init/RemoveOldSampledDataTransaction.java

@@ -22,7 +22,7 @@ import com.djrapitops.plan.storage.database.sql.tables.PingTable;
 import com.djrapitops.plan.storage.database.sql.tables.TPSTable;
 import com.djrapitops.plan.storage.database.transactions.ExecStatement;
 import com.djrapitops.plan.storage.database.transactions.Executable;
-import com.djrapitops.plan.storage.database.transactions.Transaction;
+import com.djrapitops.plan.storage.database.transactions.ThrowawayTransaction;
 
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
@@ -36,7 +36,7 @@ import static com.djrapitops.plan.storage.database.sql.parsing.Sql.*;
  *
  * @author Rsl1122
  */
-public class RemoveOldSampledDataTransaction extends Transaction {
+public class RemoveOldSampledDataTransaction extends ThrowawayTransaction {
 
     private final UUID serverUUID;
     private final long deleteTPSOlderThanMs;