Fixing Merge Conflicts & Updating!

src/de/steamwar/bungeecore/bot/events/SchematicsManager.java

@@ -53,13 +53,13 @@ public class SchematicsManager {
 
         CheckCommand.getSchemsToCheck().forEach(schematic -> {
             StringBuilder st = new StringBuilder();
-            st.append("Typ: ").append(schematic.getSchemType().getKuerzel());
-            st.append("\nVon: ").append(SteamwarUser.get(schematic.getSchemOwner()).getUserName());
+            st.append("Typ: ").append(schematic.getSchemtype().getKuerzel());
+            st.append("\nVon: ").append(SteamwarUser.get(schematic.getOwner()).getUserName());
             String checker = CheckCommand.getChecker(schematic);
             if (checker != null) {
                 st.append("\nWird Geprüft von: ").append(checker);
             }
-            embedBuilder.addField(schematic.getSchemName(), st.toString(), true);
+            embedBuilder.addField(schematic.getName(), st.toString(), true);
         });
 
         MessageBuilder messageBuilder = new MessageBuilder();

src/de/steamwar/bungeecore/commands/CheckCommand.java

@@ -111,7 +111,7 @@ public class CheckCommand extends BasicCommand {
         }
     }
 
-    private static List<SchematicNode> getSchemsToCheck(){
+    public static List<SchematicNode> getSchemsToCheck(){
         List<SchematicNode> schematicList = new LinkedList<>();
 
         for (SchematicType type : SchematicType.values()) {
@@ -243,8 +243,8 @@ public class CheckCommand extends BasicCommand {
                 SubserverSystem.startTestServer(checker, mode, FightCommand.getMap(checker, mode, "Random"), schematic.getId(), 0);
                 currentCheckers.put(checker.getUniqueId(), this);
                 currentSchems.put(schematic.getId(), this);
-                for(CheckedSchematic previous : CheckedSchematic.previousChecks(schematic.getId()))
-                    Message.sendPrefixless("CHECK_SCHEMATIC_PREVIOUS", checker, previous.getEndTime(), SteamwarUser.get(previous.getValidator()).getUserName(), previous.getReason());
+                for(CheckedSchematic previous : CheckedSchematic.previousChecks(schematic))
+                    Message.sendPrefixless("CHECK_SCHEMATIC_PREVIOUS", checker, previous.getEndTime(), SteamwarUser.get(previous.getValidator()).getUserName(), previous.getDeclineReason());
                 next(0);
             });
         }
@@ -294,7 +294,7 @@ public class CheckCommand extends BasicCommand {
             }
 
             schematic.setType(schematic.getSchemtype().fightType().toDB());
-            CheckedSchematic.create(schematic.getId(), SteamwarUser.get(checker.getUniqueId()).getId(), startTime, Timestamp.from(Instant.now()), "freigegeben");
+            CheckedSchematic.create(schematic, SteamwarUser.get(checker.getUniqueId()).getId(), startTime, Timestamp.from(Instant.now()), "freigegeben");
             SteamwarUser user = SteamwarUser.get(schematic.getOwner());
             ProxiedPlayer player = ProxyServer.getInstance().getPlayer(user.getUuid());
             if(player != null) {
@@ -308,7 +308,7 @@ public class CheckCommand extends BasicCommand {
 
         private void decline(String reason){
             schematic.setType(SchematicType.Normal.toDB());
-            CheckedSchematic.create(schematic.getId(), SteamwarUser.get(checker.getUniqueId()).getId(), startTime, Timestamp.from(Instant.now()), reason);
+            CheckedSchematic.create(schematic, SteamwarUser.get(checker.getUniqueId()).getId(), startTime, Timestamp.from(Instant.now()), reason);
             SteamwarUser user = SteamwarUser.get(schematic.getOwner());
             ProxiedPlayer player = ProxyServer.getInstance().getPlayer(user.getUuid());
             if(player != null) {
@@ -321,13 +321,13 @@ public class CheckCommand extends BasicCommand {
         }
 
         private void abort(){
-            CheckedSchematic.create(schematic.getId(), SteamwarUser.get(checker.getUniqueId()).getId(), startTime, Timestamp.from(Instant.now()), "Prüfvorgang abgebrochen");
+            CheckedSchematic.create(schematic, SteamwarUser.get(checker.getUniqueId()).getId(), startTime, Timestamp.from(Instant.now()), "Prüfvorgang abgebrochen");
             stop();
         }
 
         private void stop(){
             currentCheckers.remove(checker.getUniqueId());
-            currentSchems.remove(schematic.getSchemID());
+            currentSchems.remove(schematic.getId());
             ProxyServer.getInstance().getScheduler().runAsync(BungeeCore.get(), () -> {
                 for (Subserver subserver : Subserver.getServerList()) {
                     if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(checker.getUniqueId())) {
@@ -340,7 +340,7 @@ public class CheckCommand extends BasicCommand {
 
         private void remove() {
             currentCheckers.remove(checker.getUniqueId());
-            currentSchems.remove(schematic.getSchemID());
+            currentSchems.remove(schematic.getId());
         }
     }
 }

src/de/steamwar/bungeecore/sql/CheckedSchematic.java

@@ -24,56 +24,97 @@ import java.sql.SQLException;
 import java.sql.Timestamp;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.UUID;
 
 public class CheckedSchematic {
 
-    private static final Statement create = new Statement("INSERT INTO CheckedSchematic (SchemName, SchemOwner, Validator, StartTime, EndTime, DeclineReason) VALUES (?, ?, ?, ?, ?, ?)");
-    private static final Statement previous = new Statement("SELECT * FROM CheckedSchematic WHERE SchemName = ? AND SchemOwner = ? ORDER BY EndTime ASC");
-
-    private final String schemName;
-    private final int schemOwner;
+    private static final Statement checkHistory = new Statement("SELECT * FROM CheckedSchematic WHERE NodeId IN (SELECT NodeId FROM SchematicNode WHERE NodeOwner = ?) AND DeclineReason != '' AND DeclineReason != 'Prüfvorgang abgebrochen' AND NodeId is not NULL ORDER BY EndTime DESC");
+    private static final Statement nodeHistory = new Statement("SELECT * FROM CheckedSchematic WHERE NodeId = ? AND DeclineReason != '' AND DeclineReason != 'Prüfvorgang abgebrochen' ORDER BY EndTime DESC");
+    private static final Statement insert = new Statement("INSERT INTO CheckedSchematic (NodeId, NodeName, NodeOwner, Validator, StartTime, EndTime, DeclineReason) VALUES (?, ?, ?, ?, ?)");
 
+    private final Integer node;
     private final int validator;
     private final Timestamp startTime;
     private final Timestamp endTime;
-    private final String reason;
+    private final String declineReason;
 
     private CheckedSchematic(ResultSet rs) throws SQLException {
-        nodeId = rs.getInt("NodeId");
-        validator = rs.getInt("Validator");
-        startTime = rs.getTimestamp("StartTime");
-        endTime = rs.getTimestamp("EndTime");
-        reason = rs.getString("DeclineReason");
+        this.node = rs.getInt("NodeId");
+        this.validator = rs.getInt("Validator");
+        this.startTime = rs.getTimestamp("StartTime");
+        this.endTime = rs.getTimestamp("EndTime");
+        this.declineReason = rs.getString("DeclineReason");
     }
 
-    public static void create(String schemName, int schemOwner, int validator, Timestamp startTime, Timestamp endTime, String reason){
-        SQL.update("INSERT INTO CheckedSchematic (SchemName, SchemOwner, Validator, StartTime, EndTime, DeclineReason) VALUES (?, ?, ?, ?, ?, ?)",
-                schemName, schemOwner, validator, startTime, endTime, reason);
+    public static void create(int nodeId, String name, int owner, int validator, Timestamp startTime, Timestamp endTime, String reason){
+        insert.update(nodeId, name, owner, validator, startTime, endTime, reason);
     }
 
-    public static List<CheckedSchematic> previousChecks(String schemName, int schemOwner){
-        ResultSet rs = SQL.select("SELECT * FROM CheckedSchematic WHERE SchemName = ? AND SchemOwner = ? ORDER BY EndTime ASC", schemName, schemOwner);
-        List<CheckedSchematic> schematics = new ArrayList<>();
-        try {
+    public static void create(SchematicNode node, int validator, Timestamp startTime, Timestamp endTime, String reason){
+        create(node.getId(), node.getName(), node.getOwner(), validator, startTime, endTime, reason);
+    }
+
+    public static List<CheckedSchematic> previousChecks(SchematicNode node){
+        return nodeHistory.select(rs -> {
+            List<CheckedSchematic> schematics = new ArrayList<>();
             while(rs.next())
                 schematics.add(new CheckedSchematic(rs));
             return schematics;
-        }, schemName, schemOwner);
+        }, node.getId());
+    }
+
+    public static List<CheckedSchematic> getLastDeclinedOfNode(SchematicNode node){
+        return getLastDeclinedOfNode(node.getId());
+    }
+
+    public static List<CheckedSchematic> getLastDeclinedOfNode(int node){
+        return nodeHistory.select(rs -> {
+            List<CheckedSchematic> lastDeclined = new ArrayList<>();
+            while(rs.next()){
+                lastDeclined.add(new CheckedSchematic(rs));
+            }
+            return lastDeclined;
+        }, node);
+    }
+
+    public static List<CheckedSchematic> getLastDeclined(UUID uuid){
+        return getLastDelined(SteamwarUser.get(uuid).getId());
+    }
+
+    public static List<CheckedSchematic> getLastDelined(int schemOwner){
+        return checkHistory.select(rs -> {
+            List<CheckedSchematic> history = new ArrayList<>();
+            while(rs.next())
+                history.add(new CheckedSchematic(rs));
+            return history;
+        }, schemOwner);
     }
 
     public int getValidator() {
         return validator;
     }
 
+    public Timestamp getStartTime() {
+        return startTime;
+    }
+
     public Timestamp getEndTime() {
         return endTime;
     }
 
-    public String getReason() {
-        return reason;
+    public String getDeclineReason() {
+        return declineReason;
     }
 
-    public int getNodeId() {
-        return nodeId;
+    public int getNode() {
+        return node;
+    }
+
+    public String getSchemName() {
+        return SchematicNode.getSchematicNode(node).getName();
+    }
+
+    public int getSchemOwner() {
+        return SchematicNode.getSchematicNode(node).getId();
     }
 }

src/de/steamwar/bungeecore/sql/NodeMember.java

@@ -25,43 +25,40 @@ import java.util.HashSet;
 import java.util.Set;
 
 public class NodeMember {
+    private static final Statement getNodeMember = new Statement("SELECT * FROM NodeMember WHERE NodeId = ? AND UserId = ?");
+    private static final Statement getNodeMembers = new Statement("SELECT * FROM NodeMember WHERE NodeId = ?");
+    private static final Statement getSchematics = new Statement("SELECT * FROM NodeMember WHERE UserId = ?");
+    private static final Statement createNodeMember = new Statement("INSERT INTO NodeMember (NodeId, UserId) VALUES (?, ?)");
+    private static final Statement deleteNodeMember = new Statement("DELETE FROM NodeMember WHERE NodeId = ? AND UserId = ?");
+
     public static NodeMember getNodeMember(int node, int member) {
-        ResultSet set = SQL.select("SELECT * FROM NodeMember WHERE NodeId = ? AND UserId = ?", node, member);
-        try {
-            if(!set.next())
+        return getNodeMember.select(rs -> {
+            if(!rs.next())
                 return null;
-            return new NodeMember(set);
-        } catch (SQLException e) {
-            throw new SecurityException("Could not load NodeMember", e);
-        }
+            return new NodeMember(rs);
+        }, node, member);
     }
 
     public static Set<NodeMember> getNodeMembers(int node) {
-        ResultSet set = SQL.select("SELECT * FROM NodeMember WHERE NodeId = ?", node);
-        try {
+        return getNodeMembers.select(rs -> {
             Set<NodeMember> members = new HashSet<>();
-            while (set.next())
-                members.add(new NodeMember(set));
+            while (rs.next())
+                members.add(new NodeMember(rs));
             return members;
-        } catch (SQLException e) {
-            throw new SecurityException("Could not load NodeMember", e);
-        }
+        }, node);
     }
 
     public static Set<NodeMember> getSchematics(int member) {
-        ResultSet set = SQL.select("SELECT * FROM NodeMember WHERE UserId = ?", member);
-        try {
+        return getSchematics.select(rs -> {
             Set<NodeMember> members = new HashSet<>();
-            while (set.next())
-                members.add(new NodeMember(set));
+            while (rs.next())
+                members.add(new NodeMember(rs));
             return members;
-        } catch (SQLException e) {
-            throw new SecurityException("Could not load NodeMember", e);
-        }
+        }, member);
     }
 
     public static NodeMember createNodeMember(int node, int member) {
-        SQL.update("INSERT INTO NodeMember (NodeId, UserId) VALUES (?, ?)", node, member);
+        createNodeMember.update(node, member);
         return getNodeMember(node, member);
     }
 
@@ -82,6 +79,6 @@ public class NodeMember {
     }
 
     public void delete() {
-        SQL.update("DELETE FROM NodeMember WHERE NodeId = ? AND UserId = ?", node, member);
+        deleteNodeMember.update(node, member);
     }
 }

src/de/steamwar/bungeecore/sql/SchematicNode.java

@@ -29,6 +29,23 @@ import java.util.function.Predicate;
 
 public class SchematicNode {
 
+    private static final Statement createNode = new Statement("INSERT INTO SchematicNode (NodeName, NodeOwner, ParentNode, NodeType, NodeItem) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE NodeName = VALUES(NodeName), ParentNode = VALUES(ParentNode), NodeItem = VALUES(NodeItem), NodeType = VALUES(NodeType), NodeItem = VALUES(NodeItem)");
+    private static final Statement getSchematicNode_Null = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeName = ? AND ParentNode is NULL");
+    private static final Statement getSchematicNode = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeName = ? AND ParentNode = ?");
+    private static final Statement getSchematicsInNode_Null = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE ParentNode is NULL");
+    private static final Statement getSchematicsInNode = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE ParentNode = ?");
+    private static final Statement getSchematicDirectory_Null = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode is NULL");
+    private static final Statement getSchematicDirectory = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode = ?");
+    private static final Statement getSchematicNodeO_Null = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode is NULL");
+    private static final Statement getSchematicNodeO = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode = ?");
+    private static final Statement getSchematicNodeId = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeId = ?");
+    private static final Statement getAllSchemsOfTypeOwner = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeType = ?");
+    private static final Statement getAllSchemsOfType = new Statement("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeType = ?");
+    private static final Statement getAccessibleByUser = new Statement("SELECT s.NodeId, s.NodeName, s.NodeOwner, s.NodeItem, s.NodeType, s.ParentNode, s.NodeRank, s.NodeFormat, s.LastUpdate FROM SchematicNode s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) AND s.ParentNode is NULL GROUP BY s.NodeId ORDER BY s.NodeName");
+    private static final Statement countNodes = new Statement("SELECT COUNT(NodeId) AS 'count' FROM SchematicNode");
+    private static final Statement updateDB = new Statement("UPDATE SchematicNode SET NodeName = ?, NodeOwner = ?, ParentNode = ?, NodeItem = ?, NodeType = ?, NodeRank = ? WHERE NodeId = ?");
+    private static final Statement deleteNode = new Statement("DELETE FROM SchematicNode WHERE NodeId = ?");
+
     public static SchematicNode createSchematic(int owner, String name, Integer parent) {
         return createSchematicNode(owner, name, parent, SchematicType.Normal.toDB(), "");
     }
@@ -40,8 +57,7 @@ public class SchematicNode {
     public static SchematicNode createSchematicNode(int owner, String name, Integer parent, String type, String item) {
         if (parent == 0)
             parent = null;
-        SQL.update("INSERT INTO SchematicNode (NodeName, NodeOwner, ParentNode, NodeType, NodeItem) VALUES (?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE NodeName = VALUES(NodeName), ParentNode = VALUES(ParentNode), NodeItem = VALUES(NodeItem), NodeType = VALUES(NodeType), NodeItem = VALUES(NodeItem)",
-                name, owner, parent, type, item);
+        createNode.update(name, owner, parent, type, item);
         return getSchematicNode(owner, name, parent);
     }
 
@@ -77,105 +93,85 @@ public class SchematicNode {
     }
 
     public static SchematicNode getSchematicNode(int owner, String name, Integer parent) {
-        if (parent != null && parent == 0)
+        if (parent != null && parent == 0) {
             parent = null;
-        ResultSet set;
-        if (parent == null) {
-            set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeName = ? AND ParentNode is NULL", owner, name);
-        } else {
-            set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeName = ? AND ParentNode = ?", owner, name, parent);
         }
-        try {
-            while (set.next()) {
-                SchematicNode node = new SchematicNode(set);
+        Statement.ResultSetUser<SchematicNode> user = rs -> {
+            while (rs.next()) {
+                SchematicNode node = new SchematicNode(rs);
                 return node;
             }
-            List<SchematicNode> nodes = getSchematicNodeInNode(parent);
-            for (SchematicNode node:nodes) {
-                if (node.name.equals(name) && NodeMember.getNodeMember(node.getId(), owner) != null)
-                    return node;
-            }
             return null;
-        }catch (SQLException e) {
-            throw new SecurityException("Failed to load Schemnodes", e);
+        };
+        if(parent == null) {
+            return getSchematicNode_Null.select(user, owner, name);
+        } else {
+            return getSchematicNode.select(user, owner, name, parent);
         }
     }
 
     public static List<SchematicNode> getSchematicNodeInNode(Integer parent) {
         if(parent != null && parent == 0)
             parent = null;
-        ResultSet set;
-        if(parent == null) {
-            set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE ParentNode is NULL");
-        }else {
-            set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE ParentNode = ?", parent);
-        }
-        try {
+        Statement.ResultSetUser<List<SchematicNode>> user = rs -> {
             List<SchematicNode> nodes = new ArrayList<>();
-            while (set.next())
-                nodes.add(new SchematicNode(set));
+            while (rs.next())
+                nodes.add(new SchematicNode(rs));
             return nodes;
-        }catch (SQLException e) {
-            throw new SecurityException("Failed to load Schemnodes", e);
+        };
+        if(parent == null) {
+            return getSchematicsInNode_Null.select(user);
+        }else {
+            return getSchematicsInNode.select(user, parent);
         }
     }
 
     public static SchematicNode getSchematicDirectory(String name, Integer parent) {
         if(parent != null && parent == 0)
             parent = null;
-        ResultSet set;
-        if(parent == null) {
-            set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode is NULL", name, parent);
-        }else {
-            set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode = ?", name, parent);
-        }
-        try {
-            while (set.next()) {
-                SchematicNode node = new SchematicNode(set);
+        Statement.ResultSetUser<SchematicNode> user = rs -> {
+            while (rs.next()) {
+                SchematicNode node = new SchematicNode(rs);
                 if(node.isDir())
                     return node;
             }
             return null;
-        }catch (SQLException e) {
-            throw new SecurityException("Failed to load Schemnodes", e);
+        };
+
+        if(parent == null) {
+            return getSchematicDirectory_Null.select(user, name);
+        }else {
+            return getSchematicDirectory.select(user, name, parent);
         }
     }
 
-    public static SchematicNode getSchematicInParent(String name, Integer parent) {
+    public static SchematicNode getSchematicNode(String name, Integer parent) {
         if(parent != null && parent == 0)
             parent = null;
-        ResultSet set;
-        if(parent == null) {
-            set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode is NULL", name);
-        }else {
-            set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeName = ? AND ParentNode = ?", name, parent);
-        }
-        try {
-            while (set.next()) {
-                SchematicNode node = new SchematicNode(set);
-                if(!node.isDir())
-                    return node;
+        Statement.ResultSetUser<SchematicNode> user = rs -> {
+            while (rs.next()) {
+                return new SchematicNode(rs);
             }
             return null;
-        }catch (SQLException e) {
-            throw new SecurityException("Failed to load Schemnodes", e);
+        };
+        if(parent == null) {
+            return getSchematicNodeO_Null.select(user, name);
+        }else {
+            return getSchematicNodeO.select(user, name, parent);
         }
     }
 
     public static SchematicNode getSchematicNode(int id) {
-        ResultSet set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeId = ?", id);
-        try {
-            if (!set.next())
+        return getSchematicNodeId.select(rs -> {
+            if (!rs.next())
                 return null;
-            return new SchematicNode(set);
-        } catch (SQLException e) {
-            throw new SecurityException("Failed to load Schemnodes", e);
-        }
+            return new SchematicNode(rs);
+        });
     }
 
     public static List<SchematicNode> getSchematicsOfType(int owner, String schemType, Integer parent) {
         List<SchematicNode> schems = getAllSchematicsAccessibleByUser(owner);
-        schems.removeIf(node -> !node.getType().equals(schemType));
+        schems.removeIf(node -> node.isDir() || !node.getType().equals(schemType));
         Map<Integer, SchematicNode> nodesInParent = new LinkedHashMap<>();
         for (SchematicNode schematicNode : schems) {
             SchematicNode currentNode = schematicNode;
@@ -188,27 +184,22 @@ public class SchematicNode {
     }
 
     public static List<SchematicNode> getAllSchematicsOfType(int owner, String schemType) {
-        ResultSet set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeOwner = ? AND NodeType = ?", owner, schemType);
-        try {
+        return getAllSchemsOfTypeOwner.select(rs -> {
             List<SchematicNode> nodes = new ArrayList<>();
-            while (set.next())
-                nodes.add(new SchematicNode(set));
+            while (rs.next())
+                nodes.add(new SchematicNode(rs));
             return nodes;
-        } catch (SQLException e) {
-            throw new SecurityException("Failed to load Schemnodes", e);
-        }
+        }, owner, schemType);
     }
 
+
     public static List<SchematicNode> getAllSchematicsOfType(String schemType) {
-        ResultSet set = SQL.select("SELECT NodeId, NodeName, NodeOwner, ParentNode, NodeType, NodeItem, NodeRank, NodeFormat, LastUpdate FROM SchematicNode WHERE NodeType = ?", schemType);
-        try {
+        return getAllSchemsOfType.select(rs -> {
             List<SchematicNode> nodes = new ArrayList<>();
-            while (set.next())
-                nodes.add(new SchematicNode(set));
+            while (rs.next())
+                nodes.add(new SchematicNode(rs));
             return nodes;
-        } catch (SQLException e) {
-            throw new SecurityException("Failed to load Schemnodes", e);
-        }
+        }, schemType);
     }
 
     public static List<SchematicNode> deepGet(Integer parent, Predicate<SchematicNode> filter) {
@@ -241,29 +232,29 @@ public class SchematicNode {
             if(isAdded)
                 return getSchematicNodeInNode(parent);
         } else {
-            ResultSet set = SQL.select("SELECT s.NodeId, s.NodeName, s.NodeOwner, s.NodeItem, s.NodeType, s.ParentNode, s.NodeRank, s.NodeFormat, s.LastUpdate FROM SchematicNode s LEFT JOIN NodeMember n ON s.NodeId = n.NodeId WHERE (s.NodeOwner = ? OR n.UserId = ?) AND s.ParentNode is NULL GROUP BY s.NodeId ORDER BY s.NodeName", user, user);
-            try{
+            return getAccessibleByUser.select(rs -> {
                 List<SchematicNode> nodes = new ArrayList<>();
-                while(set.next())
-                    nodes.add(new SchematicNode(set));
+                while(rs.next())
+                    nodes.add(new SchematicNode(rs));
                 return nodes;
-            }catch(SQLException e){
-                throw new SecurityException("Failed listing schematics", e);
-            }
+            }, user, user);
         }
         return Collections.emptyList();
     }
 
     public static List<SchematicNode> getAllSchematicsAccessibleByUser(int user) {
-        ResultSet set = SQL.select("SELECT s.NodeId, s.NodeName, s.NodeOwner, s.NodeItem, s.NodeType, s.ParentNode, s.NodeRank, s.NodeFormat, s.LastUpdate FROM SchematicNode s LEFT JOIN NodeMember nm ON nm.NodeId = s.NodeId WHERE s.NodeOwner = ? OR nm.UserId = ? GROUP BY s.NodeId ORDER BY s.NodeName", user, user);
-        try{
+        return getAccessibleByUser.select(rs -> {
             List<SchematicNode> nodes = new ArrayList<>();
-            while(set.next())
-                nodes.add(new SchematicNode(set));
+            while(rs.next()) {
+                SchematicNode node = new SchematicNode(rs);
+                if(node.isDir()) {
+                    nodes.addAll(deepGet(node.getId(), node1 -> true));
+                } else {
+                    nodes.add(node);
+                }
+            }
             return nodes;
-        }catch(SQLException e){
-            throw new SecurityException("Failed listing schematics", e);
-        }
+        }, user, user);
     }
 
     private final int id;
@@ -275,6 +266,7 @@ public class SchematicNode {
     private boolean schemFormat;
     private int rank;
     private final boolean isDir;
+    private Map<Integer, String> brCache = new HashMap<>();
 
     public static List<SchematicNode> filterSchems(int user, Predicate<SchematicNode> filter) {
         List<SchematicNode> finalList = new ArrayList<>();
@@ -291,14 +283,12 @@ public class SchematicNode {
     }
 
     public static Integer countNodes() {
-        ResultSet set = SQL.select("SELECT COUNT(NodeId) AS 'count' FROM SchematicNode");
-        try {
-            if (set.next())
-                return set.getInt("count");
+        return countNodes.select(rs -> {
+            if (rs.next()) {
+                return rs.getInt("count");
+            }
             return 0;
-        } catch (SQLException e) {
-            throw new SecurityException("Failed listing schematics", e);
-        }
+        });
     }
 
     public int getId() {
@@ -322,7 +312,7 @@ public class SchematicNode {
         return parent;
     }
 
-    public void setParent(int parent) {
+    public void setParent(Integer parent) {
         this.parent = parent;
         updateDB();
     }
@@ -394,7 +384,7 @@ public class SchematicNode {
     }
 
     public String generateBreadcrumbs(SteamwarUser user) {
-        return generateBreadcrumbs("/", user);
+        return brCache.computeIfAbsent(user.getId(), integer -> generateBreadcrumbs("/", user));
     }
 
     public String generateBreadcrumbs(String split, SteamwarUser user) {
@@ -413,20 +403,24 @@ public class SchematicNode {
     }
 
     private void updateDB() {
-        SQL.update("UPDATE SchematicNode SET NodeName = ?, NodeOwner = ?, ParentNode = ?, NodeItem = ?, NodeType = ?, NodeRank = ? WHERE NodeId = ?",
-                name, owner, parent == 0 ? null : parent, item, type, rank, id);
+        updateDB.update(name, owner, parent == 0 ? null : parent, item, type, rank, id);
         this.lastUpdate = Timestamp.from(Instant.now());
+        this.brCache.clear();
     }
 
     public void delete() {
         if (isDir()) {
             getSchematicNodeInNode(getId()).forEach(SchematicNode::delete);
         }
-        SQL.update("DELETE FROM SchematicNode WHERE NodeId = ?", id);
+        deleteNode.update(id);
     }
 
-    private void updateDatabase(Blob blob, boolean newFormat) {
-        SQL.update("UPDATE SchematicNode SET NodeData = ?, NodeFormat = ? WHERE NodeId = ?", blob, newFormat, id);
-        schemFormat = newFormat;
+    @Override
+    public boolean equals(Object obj) {
+        if (!(obj instanceof SchematicNode))
+            return false;
+
+        SchematicNode node = (SchematicNode) obj;
+        return node.getId() == id;
     }
 }