From 89717fa5934f9f19da4824346ceba960c7677098 Mon Sep 17 00:00:00 2001
From: Rob Bast <rob.bast@gmail.com>
Date: Fri, 25 Sep 2015 10:59:56 +0200
Subject: [PATCH] implement old linkconstraintinterface for BC

---
 src/Composer/Package/LinkConstraint/EmptyConstraint.php    | 4 ++--
 src/Composer/Package/LinkConstraint/MultiConstraint.php    | 4 ++--
 src/Composer/Package/LinkConstraint/SpecificConstraint.php | 2 +-
 src/Composer/Package/LinkConstraint/VersionConstraint.php  | 2 +-
 4 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/Composer/Package/LinkConstraint/EmptyConstraint.php b/src/Composer/Package/LinkConstraint/EmptyConstraint.php
index 43cc65163..09eb15ada 100644
--- a/src/Composer/Package/LinkConstraint/EmptyConstraint.php
+++ b/src/Composer/Package/LinkConstraint/EmptyConstraint.php
@@ -12,13 +12,13 @@
 
 namespace Composer\Package\LinkConstraint;
 
-use Composer\Semver\Constraint\EmptyConstraint as BaseEmptyConstraint;
+use Composer\Semver\Constraint\EmptyConstraint as SemverEmptyConstraint;
 
 @trigger_error('The ' . __NAMESPACE__ . '\EmptyConstraint class is deprecated, use Composer\Semver\Constraint\EmptyConstraint instead.', E_USER_DEPRECATED);
 
 /**
  * @deprecated use Composer\Semver\Constraint\EmptyConstraint instead
  */
-class EmptyConstraint extends BaseEmptyConstraint
+class EmptyConstraint extends SemverEmptyConstraint implements LinkConstraintInterface
 {
 }
diff --git a/src/Composer/Package/LinkConstraint/MultiConstraint.php b/src/Composer/Package/LinkConstraint/MultiConstraint.php
index 296076b18..6e091a430 100644
--- a/src/Composer/Package/LinkConstraint/MultiConstraint.php
+++ b/src/Composer/Package/LinkConstraint/MultiConstraint.php
@@ -12,13 +12,13 @@
 
 namespace Composer\Package\LinkConstraint;
 
-use Composer\Semver\Constraint\MultiConstraint as BaseMultiConstraint;
+use Composer\Semver\Constraint\MultiConstraint as SemverMultiConstraint;
 
 @trigger_error('The ' . __NAMESPACE__ . '\MultiConstraint class is deprecated, use Composer\Semver\Constraint\MultiConstraint instead.', E_USER_DEPRECATED);
 
 /**
  * @deprecated use Composer\Semver\Constraint\MultiConstraint instead
  */
-class MultiConstraint extends BaseMultiConstraint
+class MultiConstraint extends SemverMultiConstraint implements LinkConstraintInterface
 {
 }
diff --git a/src/Composer/Package/LinkConstraint/SpecificConstraint.php b/src/Composer/Package/LinkConstraint/SpecificConstraint.php
index 409f0a440..880873887 100644
--- a/src/Composer/Package/LinkConstraint/SpecificConstraint.php
+++ b/src/Composer/Package/LinkConstraint/SpecificConstraint.php
@@ -19,6 +19,6 @@ use Composer\Semver\Constraint\AbstractConstraint;
 /**
  * @deprecated use Composer\Semver\Constraint\AbstractConstraint instead
  */
-abstract class SpecificConstraint extends AbstractConstraint
+abstract class SpecificConstraint extends AbstractConstraint implements LinkConstraintInterface
 {
 }
diff --git a/src/Composer/Package/LinkConstraint/VersionConstraint.php b/src/Composer/Package/LinkConstraint/VersionConstraint.php
index 45d471254..580016795 100644
--- a/src/Composer/Package/LinkConstraint/VersionConstraint.php
+++ b/src/Composer/Package/LinkConstraint/VersionConstraint.php
@@ -19,6 +19,6 @@ use Composer\Semver\Constraint\Constraint;
 /**
  * @deprecated use Composer\Semver\Constraint\Constraint instead
  */
-class VersionConstraint extends Constraint
+class VersionConstraint extends Constraint implements LinkConstraintInterface
 {
 }