From da98b5fe15b633832cd42ff7caa5508f578ec864 Mon Sep 17 00:00:00 2001
From: wizjany <wizjany@gmail.com>
Date: Tue, 7 Jan 2020 18:05:35 -0500
Subject: [PATCH] Remove unused EditSessionHolder class.

---
 .../command/argument/EditSessionHolder.java   | 87 -------------------
 1 file changed, 87 deletions(-)
 delete mode 100644 worldedit-core/src/main/java/com/sk89q/worldedit/command/argument/EditSessionHolder.java

diff --git a/worldedit-core/src/main/java/com/sk89q/worldedit/command/argument/EditSessionHolder.java b/worldedit-core/src/main/java/com/sk89q/worldedit/command/argument/EditSessionHolder.java
deleted file mode 100644
index b5113f545..000000000
--- a/worldedit-core/src/main/java/com/sk89q/worldedit/command/argument/EditSessionHolder.java
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * WorldEdit, a Minecraft world manipulation toolkit
- * Copyright (C) sk89q <http://www.sk89q.com>
- * Copyright (C) WorldEdit team and contributors
- *
- * This program is free software: you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-package com.sk89q.worldedit.command.argument;
-
-import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.LocalSession;
-import com.sk89q.worldedit.WorldEdit;
-import com.sk89q.worldedit.entity.Player;
-
-import java.util.concurrent.locks.StampedLock;
-
-/**
- * Lazily-created {@link EditSession}.
- */
-public class EditSessionHolder {
-
-    private final StampedLock lock = new StampedLock();
-    private final WorldEdit worldEdit;
-    private final Player player;
-
-    public EditSessionHolder(WorldEdit worldEdit, Player player) {
-        this.worldEdit = worldEdit;
-        this.player = player;
-    }
-
-    private EditSession session;
-
-    /**
-     * Get the session, but does not create it if it doesn't exist.
-     */
-    public EditSession getSession() {
-        long stamp = lock.tryOptimisticRead();
-        EditSession result = session;
-        if (!lock.validate(stamp)) {
-            stamp = lock.readLock();
-            try {
-                result = session;
-            } finally {
-                lock.unlockRead(stamp);
-            }
-        }
-        return result;
-    }
-
-    public EditSession getOrCreateSession() {
-        // use the already-generated result if possible
-        EditSession result = getSession();
-        if (result != null) {
-            return result;
-        }
-        // otherwise, acquire write lock
-        long stamp = lock.writeLock();
-        try {
-            // check session field again -- maybe another writer hit it in between
-            result = session;
-            if (result != null) {
-                return result;
-            }
-            // now we can do the actual creation
-            LocalSession localSession = worldEdit.getSessionManager().get(player);
-            EditSession editSession = localSession.createEditSession(player);
-            editSession.enableStandardMode();
-            localSession.tellVersion(player);
-            return session = editSession;
-        } finally {
-            lock.unlockWrite(stamp);
-        }
-    }
-
-}