1 files changed, 67 insertions, 0 deletions
diff --git a/backend/InstanceVersion.cpp b/backend/InstanceVersion.cpp
new file mode 100644
index 00000000..1b9b0a5b
--- /dev/null
+++ b/backend/InstanceVersion.cpp
@@ -0,0 +1,67 @@
+/* Copyright 2013 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "InstanceVersion.h"
+#include "lists/InstVersionList.h"
+
+InstVersion::InstVersion(const QString &descriptor, 
+						 const QString &name, 
+						 qint64 timestamp, 
+						 InstVersionList *parent) :
+	QObject(parent), m_descriptor(descriptor), m_name(name), m_timestamp(timestamp)
+{
+	
+}
+
+InstVersion::InstVersion(const InstVersion &other, QObject *parent) :
+	QObject(parent ? parent : other.parent()), 
+	m_descriptor(other.descriptor()), m_name(other.name()), m_timestamp(other.timestamp())
+{
+	
+}
+
+InstVersionList *InstVersion::versionList() const
+{
+	// Parent should *always* be either an InstVersionList or NULL.
+	if (!parent() || !parent()->inherits("InstVersionList"))
+		return NULL;
+	else
+		return (InstVersionList *)parent();
+}
+
+bool InstVersion::isLessThan(const InstVersion &other) const
+{
+	return timestamp() < other.timestamp();
+}
+
+bool InstVersion::isGreaterThan(const InstVersion &other) const
+{
+	return timestamp() > other.timestamp();
+}
+
+QString InstVersion::descriptor() const
+{
+	return m_descriptor;
+}
+
+QString InstVersion::name() const
+{
+	return m_name;
+}
+
+qint64 InstVersion::timestamp() const
+{
+	return m_timestamp;
+}