Make plot groups extend townyobject

Towny/src/main/java/com/palmergames/bukkit/towny/db/SQLSchema.java

@@ -157,6 +157,7 @@ private static List<String> getPlotGroupColumns() {
 		columns.add("`groupName` mediumtext NOT NULL");
 		columns.add("`groupPrice` float DEFAULT NULL");
 		columns.add("`town` VARCHAR(32) NOT NULL");
+		columns.add("`metadata` text DEFAULT NULL");
 		return columns;
 	}
 

Towny/src/main/java/com/palmergames/bukkit/towny/db/TownyFlatFileSource.java

@@ -1609,6 +1609,10 @@ public boolean loadPlotGroup(PlotGroup group) {
 				line = keys.get("groupPrice");
 				if (line != null && !line.isEmpty())
 					group.setPrice(Double.parseDouble(line.trim()));
+
+				line = keys.get("metadata");
+				if (line != null)
+					MetadataLoader.getInstance().deserializeMetadata(group, line.trim());
 
 			} catch (Exception e) {
 				TownyMessaging.sendErrorMsg(Translation.of("flatfile_err_exception_reading_group_file_at_line", path, line));
@@ -2081,6 +2085,7 @@ public boolean savePlotGroup(PlotGroup group) {
 			list.add("groupName=" + group.getName());
 			list.add("groupPrice=" + group.getPrice());
 			list.add("town=" + group.getTown().getName());
+			list.add("metadata=" + serializeMetadata(group));
 		} catch (Exception e) {
 			logger.warn("An exception occurred while saving plot group " + Optional.ofNullable(group).map(g -> g.getUUID().toString()).orElse("null") + ": ", e);
 		}

Towny/src/main/java/com/palmergames/bukkit/towny/db/TownySQLSource.java

@@ -1997,6 +1997,11 @@ private boolean loadPlotGroup(ResultSet rs) {
 					group.setPrice(Float.parseFloat(line.trim()));
 				} catch (Exception ignored) {}
 			}
+
+			line = rs.getString("metadata");
+			if (line != null) {
+				MetadataLoader.getInstance().deserializeMetadata(group, line);
+			}
 		} catch (SQLException e) {
 			plugin.getLogger().log(Level.WARNING, "Loading Error: Exception while reading plot group: " + uuid
 			+ " at line: " + line + " in the sql database", e);
@@ -2267,6 +2272,7 @@ public synchronized boolean savePlotGroup(PlotGroup group) {
 			pltgrp_hm.put("groupName", group.getName());
 			pltgrp_hm.put("groupPrice", group.getPrice());
 			pltgrp_hm.put("town", group.getTown().getName());
+			pltgrp_hm.put("metadata", serializeMetadata(group));
 
 			updateDB("PLOTGROUPS", pltgrp_hm, Collections.singletonList("groupID"));
 

Towny/src/main/java/com/palmergames/bukkit/towny/object/ObjectGroup.java

@@ -7,18 +7,17 @@
  * 
  * @author Suneet Tipirneni (Siris)
  */
-public abstract class ObjectGroup implements Nameable, Identifiable {
+public abstract class ObjectGroup extends TownyObject implements Identifiable {
 	private UUID uuid;
-	private String name;
 
 	/**
 	 * The constructor for the Group object.
 	 * @param id A unique identifier for the group id.
 	 * @param name An alias for the id used for player in-game interaction via commands.
 	 */
 	public ObjectGroup(UUID id, String name) {
-		this.uuid = id;
-		this.name = name;
+        super(name);
+        this.uuid = id;
 	}
 
 	public UUID getUUID() {
@@ -28,13 +27,6 @@ public UUID getUUID() {
 	public void setUUID(UUID id) {
 		this.uuid = id;
 	}
-
-	@Override
-	public String getName() {
-		return name;
-	}
-
-	public void setName(String name) { this.name = name; }
 
 	/**
 	 * Determines whether a group is equivalent or not.
@@ -56,7 +48,7 @@ public boolean equals(Object obj) {
 	 */
 	@Override
 	public String toString() {
-		return name + "," + uuid;
+		return getName() + "," + uuid;
 	}
 
 	/**

Towny/src/main/java/com/palmergames/bukkit/towny/object/PlotGroup.java

@@ -46,6 +46,11 @@ public String toString() {
 		return super.toString() + "," + getTown().toString() + "," + getPrice();
 	}
 
+	@Override
+	public boolean exists() {
+		return this.town != null && this.town.exists() && this.town.hasPlotGroupName(getName());
+	}
+
 	/**
 	 * Override the name change method to internally rehash the plot group map.
 	 * @param name The name of the group.