diff --git a/src/Composer/DependencyResolver/Operation/InstallOperation.php b/src/Composer/DependencyResolver/Operation/InstallOperation.php
index a9f808101..6eefbd5bb 100644
--- a/src/Composer/DependencyResolver/Operation/InstallOperation.php
+++ b/src/Composer/DependencyResolver/Operation/InstallOperation.php
@@ -19,15 +19,15 @@ use Composer\Package\PackageInterface;
  *
  * @author Konstantin Kudryashov <ever.zet@gmail.com>
  */
-class InstallOperation implements OperationInterface
+class InstallOperation extends SolverOperation implements OperationInterface
 {
-    protected $package;
+    const TYPE = 'install';
 
     /**
-     * Initializes operation.
-     *
-     * @param PackageInterface $package package instance
+     * @var PackageInterface
      */
+    protected $package;
+
     public function __construct(PackageInterface $package)
     {
         $this->package = $package;
@@ -43,16 +43,6 @@ class InstallOperation implements OperationInterface
         return $this->package;
     }
 
-    /**
-     * Returns operation type.
-     *
-     * @return string
-     */
-    public function getOperationType()
-    {
-        return 'install';
-    }
-
     /**
      * {@inheritDoc}
      */
@@ -65,12 +55,4 @@ class InstallOperation implements OperationInterface
     {
         return ($lock ? 'Locking ' : 'Installing ').'<info>'.$package->getPrettyName().'</info> (<comment>'.$package->getFullPrettyVersion().'</comment>)';
     }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function __toString()
-    {
-        return $this->show(false);
-    }
 }
diff --git a/src/Composer/DependencyResolver/Operation/MarkAliasInstalledOperation.php b/src/Composer/DependencyResolver/Operation/MarkAliasInstalledOperation.php
index 9e3a9f17d..4c70257a3 100644
--- a/src/Composer/DependencyResolver/Operation/MarkAliasInstalledOperation.php
+++ b/src/Composer/DependencyResolver/Operation/MarkAliasInstalledOperation.php
@@ -20,15 +20,15 @@ use Composer\Package\PackageInterface;
  *
  * @author Nils Adermann <naderman@naderman.de>
  */
-class MarkAliasInstalledOperation implements OperationInterface
+class MarkAliasInstalledOperation extends SolverOperation implements OperationInterface
 {
-    protected $package;
+    const TYPE = 'markAliasInstalled';
 
     /**
-     * Initializes operation.
-     *
-     * @param AliasPackage $package package instance
+     * @var AliasPackage
      */
+    protected $package;
+
     public function __construct(AliasPackage $package)
     {
         $this->package = $package;
@@ -37,23 +37,13 @@ class MarkAliasInstalledOperation implements OperationInterface
     /**
      * Returns package instance.
      *
-     * @return PackageInterface
+     * @return AliasPackage
      */
     public function getPackage()
     {
         return $this->package;
     }
 
-    /**
-     * Returns operation type.
-     *
-     * @return string
-     */
-    public function getOperationType()
-    {
-        return 'markAliasInstalled';
-    }
-
     /**
      * {@inheritDoc}
      */
@@ -61,12 +51,4 @@ class MarkAliasInstalledOperation implements OperationInterface
     {
         return 'Marking <info>'.$this->package->getPrettyName().'</info> (<comment>'.$this->package->getFullPrettyVersion().'</comment>) as installed, alias of <info>'.$this->package->getAliasOf()->getPrettyName().'</info> (<comment>'.$this->package->getAliasOf()->getFullPrettyVersion().'</comment>)';
     }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function __toString()
-    {
-        return $this->show(false);
-    }
 }
diff --git a/src/Composer/DependencyResolver/Operation/MarkAliasUninstalledOperation.php b/src/Composer/DependencyResolver/Operation/MarkAliasUninstalledOperation.php
index 16ca62ad9..08ed93ac3 100644
--- a/src/Composer/DependencyResolver/Operation/MarkAliasUninstalledOperation.php
+++ b/src/Composer/DependencyResolver/Operation/MarkAliasUninstalledOperation.php
@@ -20,15 +20,15 @@ use Composer\Package\PackageInterface;
  *
  * @author Nils Adermann <naderman@naderman.de>
  */
-class MarkAliasUninstalledOperation implements OperationInterface
+class MarkAliasUninstalledOperation extends SolverOperation implements OperationInterface
 {
-    protected $package;
+    const TYPE = 'markAliasUninstalled';
 
     /**
-     * Initializes operation.
-     *
-     * @param AliasPackage $package package instance
+     * @var AliasPackage
      */
+    protected $package;
+
     public function __construct(AliasPackage $package)
     {
         $this->package = $package;
@@ -37,23 +37,13 @@ class MarkAliasUninstalledOperation implements OperationInterface
     /**
      * Returns package instance.
      *
-     * @return PackageInterface
+     * @return AliasPackage
      */
     public function getPackage()
     {
         return $this->package;
     }
 
-    /**
-     * Returns operation type.
-     *
-     * @return string
-     */
-    public function getOperationType()
-    {
-        return 'markAliasUninstalled';
-    }
-
     /**
      * {@inheritDoc}
      */
@@ -61,12 +51,4 @@ class MarkAliasUninstalledOperation implements OperationInterface
     {
         return 'Marking <info>'.$this->package->getPrettyName().'</info> (<comment>'.$this->package->getFullPrettyVersion().'</comment>) as uninstalled, alias of <info>'.$this->package->getAliasOf()->getPrettyName().'</info> (<comment>'.$this->package->getAliasOf()->getFullPrettyVersion().'</comment>)';
     }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function __toString()
-    {
-        return $this->show(false);
-    }
 }
diff --git a/src/Composer/DependencyResolver/Operation/SolverOperation.php b/src/Composer/DependencyResolver/Operation/SolverOperation.php
new file mode 100644
index 000000000..e1a78da84
--- /dev/null
+++ b/src/Composer/DependencyResolver/Operation/SolverOperation.php
@@ -0,0 +1,43 @@
+<?php
+
+/*
+ * This file is part of Composer.
+ *
+ * (c) Nils Adermann <naderman@naderman.de>
+ *     Jordi Boggiano <j.boggiano@seld.be>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Composer\DependencyResolver\Operation;
+
+use Composer\Package\PackageInterface;
+
+/**
+ * Abstract operation class.
+ *
+ * @author Aleksandr Bezpiatov <aleksandr.bezpiatov@spryker.com>
+ */
+abstract class SolverOperation implements OperationInterface
+{
+    const TYPE = null;
+
+    /**
+     * Returns operation type.
+     *
+     * @return string
+     */
+    public function getOperationType()
+    {
+        return static::TYPE;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function __toString()
+    {
+        return $this->show(false);
+    }
+}
diff --git a/src/Composer/DependencyResolver/Operation/UninstallOperation.php b/src/Composer/DependencyResolver/Operation/UninstallOperation.php
index 4fb39a6f6..585fdb1e5 100644
--- a/src/Composer/DependencyResolver/Operation/UninstallOperation.php
+++ b/src/Composer/DependencyResolver/Operation/UninstallOperation.php
@@ -19,15 +19,15 @@ use Composer\Package\PackageInterface;
  *
  * @author Konstantin Kudryashov <ever.zet@gmail.com>
  */
-class UninstallOperation implements OperationInterface
+class UninstallOperation extends SolverOperation implements OperationInterface
 {
-    protected $package;
+    const TYPE = 'uninstall';
 
     /**
-     * Initializes operation.
-     *
-     * @param PackageInterface $package package instance
+     * @var PackageInterface
      */
+    protected $package;
+
     public function __construct(PackageInterface $package)
     {
         $this->package = $package;
@@ -43,16 +43,6 @@ class UninstallOperation implements OperationInterface
         return $this->package;
     }
 
-    /**
-     * Returns operation type.
-     *
-     * @return string
-     */
-    public function getOperationType()
-    {
-        return 'uninstall';
-    }
-
     /**
      * {@inheritDoc}
      */
@@ -65,12 +55,4 @@ class UninstallOperation implements OperationInterface
     {
         return 'Removing <info>'.$package->getPrettyName().'</info> (<comment>'.$package->getFullPrettyVersion().'</comment>)';
     }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function __toString()
-    {
-        return $this->show(false);
-    }
 }
diff --git a/src/Composer/DependencyResolver/Operation/UpdateOperation.php b/src/Composer/DependencyResolver/Operation/UpdateOperation.php
index 9e2fa99e5..543c8e783 100644
--- a/src/Composer/DependencyResolver/Operation/UpdateOperation.php
+++ b/src/Composer/DependencyResolver/Operation/UpdateOperation.php
@@ -20,14 +20,21 @@ use Composer\Package\Version\VersionParser;
  *
  * @author Konstantin Kudryashov <ever.zet@gmail.com>
  */
-class UpdateOperation implements OperationInterface
+class UpdateOperation extends SolverOperation implements OperationInterface
 {
+    const TYPE = 'update';
+
+    /**
+     * @var PackageInterface
+     */
     protected $initialPackage;
+
+    /**
+     * @var PackageInterface
+     */
     protected $targetPackage;
 
     /**
-     * Initializes update operation.
-     *
      * @param PackageInterface $initial initial package
      * @param PackageInterface $target  target package (updated)
      */
@@ -57,16 +64,6 @@ class UpdateOperation implements OperationInterface
         return $this->targetPackage;
     }
 
-    /**
-     * Returns operation type.
-     *
-     * @return string
-     */
-    public function getOperationType()
-    {
-        return 'update';
-    }
-
     /**
      * {@inheritDoc}
      */
@@ -92,12 +89,4 @@ class UpdateOperation implements OperationInterface
 
         return $actionName.' <info>'.$initialPackage->getPrettyName().'</info> (<comment>'.$fromVersion.'</comment> => <comment>'.$toVersion.'</comment>)';
     }
-
-    /**
-     * {@inheritDoc}
-     */
-    public function __toString()
-    {
-        return $this->show(false);
-    }
 }