From b7fd908d538ed19fe41f03c0a3f93351d8da64e9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 14 Apr 2024 15:15:40 +0200
Subject: Adding upstream version 2.5.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 library/Businessprocess/Simulation.php | 185 +++++++++++++++++++++++++++++++++
 1 file changed, 185 insertions(+)
 create mode 100644 library/Businessprocess/Simulation.php

(limited to 'library/Businessprocess/Simulation.php')

diff --git a/library/Businessprocess/Simulation.php b/library/Businessprocess/Simulation.php
new file mode 100644
index 0000000..1bc9d1d
--- /dev/null
+++ b/library/Businessprocess/Simulation.php
@@ -0,0 +1,185 @@
+<?php
+
+namespace Icinga\Module\Businessprocess;
+
+use Icinga\Exception\ProgrammingError;
+use Icinga\Web\Session\SessionNamespace;
+
+class Simulation
+{
+    const DEFAULT_SESSION_KEY = 'bp-simulations';
+
+    /**
+     * @var SessionNamespace
+     */
+    protected $session;
+
+    /**
+     * @var string
+     */
+    protected $sessionKey;
+
+    /**
+     * @var array
+     */
+    protected $simulations = array();
+
+    /**
+     * Simulation constructor.
+     * @param array $simulations
+     */
+    public function __construct(array $simulations = array())
+    {
+        $this->simulations = $simulations;
+    }
+
+    /**
+     * @param array $simulations
+     * @return static
+     */
+    public static function create(array $simulations = array())
+    {
+        return new static($simulations);
+    }
+
+    /**
+     * @param SessionNamespace $session
+     * @param null $sessionKey
+     * @return $this
+     */
+    public static function fromSession(SessionNamespace $session, $sessionKey = null)
+    {
+        return static::create()
+            ->setSessionKey($sessionKey)
+            ->persistToSession($session);
+    }
+
+    /**
+     * @param string $key
+     * @return $this
+     */
+    public function setSessionKey($key = null)
+    {
+        if ($key === null) {
+            $this->sessionKey = Simulation::DEFAULT_SESSION_KEY;
+        } else {
+            $this->sessionKey = $key;
+        }
+
+        return $this;
+    }
+
+    /**
+     * @param SessionNamespace $session
+     * @return $this
+     */
+    public function persistToSession(SessionNamespace $session)
+    {
+        $this->session = $session;
+        $this->simulations = $this->session->get($this->sessionKey, array());
+        return $this;
+    }
+
+    /**
+     * @return array
+     */
+    public function simulations()
+    {
+        return $this->simulations;
+    }
+
+    /**
+     * @param $simulations
+     * @return $this
+     */
+    protected function setSimulations($simulations)
+    {
+        $this->simulations = $simulations;
+        if ($this->session !== null) {
+            $this->session->set($this->sessionKey, $simulations);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return $this
+     */
+    public function clear()
+    {
+        $this->simulations = array();
+        if ($this->session !== null) {
+            $this->session->set($this->sessionKey, array());
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return int
+     */
+    public function count()
+    {
+        return count($this->simulations());
+    }
+
+    /**
+     * @return bool
+     */
+    public function isEmpty()
+    {
+        return $this->count() === 0;
+    }
+
+    /**
+     * @param $node
+     * @param $properties
+     */
+    public function set($node, $properties)
+    {
+        $simulations = $this->simulations();
+        $simulations[$node] = $properties;
+        $this->setSimulations($simulations);
+    }
+
+    /**
+     * @param $name
+     * @return bool
+     */
+    public function hasNode($name)
+    {
+        $simulations = $this->simulations();
+        return array_key_exists($name, $simulations);
+    }
+
+    /**
+     * @param $name
+     * @return mixed
+     * @throws ProgrammingError
+     */
+    public function getNode($name)
+    {
+        $simulations = $this->simulations();
+        if (! array_key_exists($name, $simulations)) {
+            throw new ProgrammingError('Trying to access invalid node %s', $name);
+        }
+        return $simulations[$name];
+    }
+
+    /**
+     * @param $node
+     * @return bool
+     */
+    public function remove($node)
+    {
+        $simulations = $this->simulations();
+        if (array_key_exists($node, $simulations)) {
+            unset($simulations[$node]);
+            $this->setSimulations($simulations);
+
+            return true;
+        } else {
+            return false;
+        }
+    }
+}
-- 
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