From 49ecaa434e6be851c3bdef225358f53095956d97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20L=C3=BCck?= <christian@lueck.tv>
Date: Tue, 2 May 2017 16:26:13 +0200
Subject: [PATCH] Mark all classes as final

Classes should be used via composition rather than extension.
This reduces our API footprint and avoids future BC breaks by avoiding
exposing its internal assumptions.
---
 src/CompositeStream.php        | 2 +-
 src/DuplexResourceStream.php   | 2 +-
 src/ReadableResourceStream.php | 2 +-
 src/ThroughStream.php          | 2 +-
 src/Util.php                   | 2 +-
 src/WritableResourceStream.php | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/CompositeStream.php b/src/CompositeStream.php
index 47f057c..084385b 100644
--- a/src/CompositeStream.php
+++ b/src/CompositeStream.php
@@ -4,7 +4,7 @@
 
 use Evenement\EventEmitter;
 
-class CompositeStream extends EventEmitter implements DuplexStreamInterface
+final class CompositeStream extends EventEmitter implements DuplexStreamInterface
 {
     protected $readable;
     protected $writable;
diff --git a/src/DuplexResourceStream.php b/src/DuplexResourceStream.php
index 113c9aa..7869eda 100644
--- a/src/DuplexResourceStream.php
+++ b/src/DuplexResourceStream.php
@@ -6,7 +6,7 @@
 use React\EventLoop\LoopInterface;
 use InvalidArgumentException;
 
-class DuplexResourceStream extends EventEmitter implements DuplexStreamInterface
+final class DuplexResourceStream extends EventEmitter implements DuplexStreamInterface
 {
     private $stream;
     private $loop;
diff --git a/src/ReadableResourceStream.php b/src/ReadableResourceStream.php
index 3edf80e..6a9cd65 100644
--- a/src/ReadableResourceStream.php
+++ b/src/ReadableResourceStream.php
@@ -6,7 +6,7 @@
 use React\EventLoop\LoopInterface;
 use InvalidArgumentException;
 
-class ReadableResourceStream extends EventEmitter implements ReadableStreamInterface
+final class ReadableResourceStream extends EventEmitter implements ReadableStreamInterface
 {
     /**
      * @var resource
diff --git a/src/ThroughStream.php b/src/ThroughStream.php
index 9a22b2d..da2fbb0 100644
--- a/src/ThroughStream.php
+++ b/src/ThroughStream.php
@@ -73,7 +73,7 @@
  * @see DuplexStreamInterface::close()
  * @see WritableStreamInterface::pipe()
  */
-class ThroughStream extends EventEmitter implements DuplexStreamInterface
+final class ThroughStream extends EventEmitter implements DuplexStreamInterface
 {
     private $readable = true;
     private $writable = true;
diff --git a/src/Util.php b/src/Util.php
index d59728e..14ddcfc 100644
--- a/src/Util.php
+++ b/src/Util.php
@@ -2,7 +2,7 @@
 
 namespace React\Stream;
 
-class Util
+final class Util
 {
     /**
      * Pipes all the data from the given $source into the $dest
diff --git a/src/WritableResourceStream.php b/src/WritableResourceStream.php
index 47883e2..a52bc2e 100644
--- a/src/WritableResourceStream.php
+++ b/src/WritableResourceStream.php
@@ -5,7 +5,7 @@
 use Evenement\EventEmitter;
 use React\EventLoop\LoopInterface;
 
-class WritableResourceStream extends EventEmitter implements WritableStreamInterface
+final class WritableResourceStream extends EventEmitter implements WritableStreamInterface
 {
     private $stream;
     private $loop;