From a35fa83843daa00df508e88a5def5a01d6199e1f Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Fri, 23 Nov 2018 11:40:21 +1100
Subject: SPIGOT-4472: Add Consumer scheduler methods

---
 .../java/org/bukkit/scheduler/BukkitScheduler.java | 81 ++++++++++++++++++++++
 1 file changed, 81 insertions(+)

diff --git a/src/main/java/org/bukkit/scheduler/BukkitScheduler.java b/src/main/java/org/bukkit/scheduler/BukkitScheduler.java
index 3e696ec5..abd0dffb 100644
--- a/src/main/java/org/bukkit/scheduler/BukkitScheduler.java
+++ b/src/main/java/org/bukkit/scheduler/BukkitScheduler.java
@@ -4,6 +4,7 @@ import org.bukkit.plugin.Plugin;
 import java.util.concurrent.Callable;
 import java.util.concurrent.Future;
 import java.util.List;
+import java.util.function.Consumer;
 
 public interface BukkitScheduler {
 
@@ -213,6 +214,16 @@ public interface BukkitScheduler {
      */
     public BukkitTask runTask(Plugin plugin, Runnable task) throws IllegalArgumentException;
 
+    /**
+     * Returns a task that will run on the next server tick.
+     *
+     * @param plugin the reference to the plugin scheduling task
+     * @param task the task to be run
+     * @throws IllegalArgumentException if plugin is null
+     * @throws IllegalArgumentException if task is null
+     */
+    public void runTask(Plugin plugin, Consumer<BukkitTask> task) throws IllegalArgumentException;
+
     /**
      * @deprecated Use {@link BukkitRunnable#runTask(Plugin)}
      *
@@ -239,6 +250,19 @@ public interface BukkitScheduler {
      */
     public BukkitTask runTaskAsynchronously(Plugin plugin, Runnable task) throws IllegalArgumentException;
 
+    /**
+     * <b>Asynchronous tasks should never access any API in Bukkit. Great care
+     * should be taken to assure the thread-safety of asynchronous tasks.</b>
+     * <p>
+     * Returns a task that will run asynchronously.
+     *
+     * @param plugin the reference to the plugin scheduling task
+     * @param task the task to be run
+     * @throws IllegalArgumentException if plugin is null
+     * @throws IllegalArgumentException if task is null
+     */
+    public void runTaskAsynchronously(Plugin plugin, Consumer<BukkitTask> task) throws IllegalArgumentException;
+
     /**
      * @deprecated Use {@link BukkitRunnable#runTaskAsynchronously(Plugin)}
      * @param plugin the reference to the plugin scheduling task
@@ -263,6 +287,18 @@ public interface BukkitScheduler {
      */
     public BukkitTask runTaskLater(Plugin plugin, Runnable task, long delay) throws IllegalArgumentException;
 
+    /**
+     * Returns a task that will run after the specified number of server
+     * ticks.
+     *
+     * @param plugin the reference to the plugin scheduling task
+     * @param task the task to be run
+     * @param delay the ticks to wait before running the task
+     * @throws IllegalArgumentException if plugin is null
+     * @throws IllegalArgumentException if task is null
+     */
+    public void runTaskLater(Plugin plugin, Consumer<BukkitTask> task, long delay) throws IllegalArgumentException;
+
     /**
      * @deprecated Use {@link BukkitRunnable#runTaskLater(Plugin, long)}
      * @param plugin the reference to the plugin scheduling task
@@ -291,6 +327,21 @@ public interface BukkitScheduler {
      */
     public BukkitTask runTaskLaterAsynchronously(Plugin plugin, Runnable task, long delay) throws IllegalArgumentException;
 
+    /**
+     * <b>Asynchronous tasks should never access any API in Bukkit. Great care
+     * should be taken to assure the thread-safety of asynchronous tasks.</b>
+     * <p>
+     * Returns a task that will run asynchronously after the specified number
+     * of server ticks.
+     *
+     * @param plugin the reference to the plugin scheduling task
+     * @param task the task to be run
+     * @param delay the ticks to wait before running the task
+     * @throws IllegalArgumentException if plugin is null
+     * @throws IllegalArgumentException if task is null
+     */
+    public void runTaskLaterAsynchronously(Plugin plugin, Consumer<BukkitTask> task, long delay) throws IllegalArgumentException;
+
     /**
      * @deprecated Use {@link BukkitRunnable#runTaskLaterAsynchronously(Plugin, long)}
      * @param plugin the reference to the plugin scheduling task
@@ -317,6 +368,19 @@ public interface BukkitScheduler {
      */
     public BukkitTask runTaskTimer(Plugin plugin, Runnable task, long delay, long period) throws IllegalArgumentException;
 
+    /**
+     * Returns a task that will repeatedly run until cancelled, starting after
+     * the specified number of server ticks.
+     *
+     * @param plugin the reference to the plugin scheduling task
+     * @param task the task to be run
+     * @param delay the ticks to wait before running the task
+     * @param period the ticks to wait between runs
+     * @throws IllegalArgumentException if plugin is null
+     * @throws IllegalArgumentException if task is null
+     */
+    public void runTaskTimer(Plugin plugin, Consumer<BukkitTask> task, long delay, long period) throws IllegalArgumentException;
+
     /**
      * @deprecated Use {@link BukkitRunnable#runTaskTimer(Plugin, long, long)}
      * @param plugin the reference to the plugin scheduling task
@@ -348,6 +412,23 @@ public interface BukkitScheduler {
      */
     public BukkitTask runTaskTimerAsynchronously(Plugin plugin, Runnable task, long delay, long period) throws IllegalArgumentException;
 
+    /**
+     * <b>Asynchronous tasks should never access any API in Bukkit. Great care
+     * should be taken to assure the thread-safety of asynchronous tasks.</b>
+     * <p>
+     * Returns a task that will repeatedly run asynchronously until cancelled,
+     * starting after the specified number of server ticks.
+     *
+     * @param plugin the reference to the plugin scheduling task
+     * @param task the task to be run
+     * @param delay the ticks to wait before running the task for the first
+     *     time
+     * @param period the ticks to wait between runs
+     * @throws IllegalArgumentException if plugin is null
+     * @throws IllegalArgumentException if task is null
+     */
+    public void runTaskTimerAsynchronously(Plugin plugin, Consumer<BukkitTask> task, long delay, long period) throws IllegalArgumentException;
+
     /**
      * @deprecated Use {@link BukkitRunnable#runTaskTimerAsynchronously(Plugin, long, long)}
      * @param plugin the reference to the plugin scheduling task
-- 
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