1 files changed, 96 insertions, 0 deletions
diff --git a/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/MetadataGraph.java b/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/MetadataGraph.java
new file mode 100644
index 00000000..fcaddd2c
--- /dev/null
+++ b/framework/src/maven/apache-maven-3.3.3/maven-compat/src/main/java/org/apache/maven/repository/MetadataGraph.java
@@ -0,0 +1,96 @@
+package org.apache.maven.repository;
+
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ */
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+/**
+ * This is the main graph data structure used by the RepositorySystem to present tree and graph objects.
+ *
+ * @author Oleg Gusakov
+ *
+ */
+public class MetadataGraph
+{
+    /** all graph nodes */
+    Collection<MetadataGraphNode> nodes;
+
+    /** entry point for tree-like structures */
+    MetadataGraphNode entry;
+
+    public MetadataGraph( MetadataGraphNode entry )
+    {
+        this();
+
+        this.entry = entry;
+    }
+
+    public MetadataGraph()
+    {
+        nodes = new ArrayList<MetadataGraphNode>( 64 );
+    }
+
+    public void addNode( MetadataGraphNode node )
+    {
+        nodes.add( node );
+    }
+
+    /**
+     * find a node by the GAV (metadata)
+     *
+     * @param md
+     * @return
+     */
+    public MetadataGraphNode findNode( MavenArtifactMetadata md )
+    {
+        for ( MetadataGraphNode mgn : nodes )
+        {
+            if ( mgn.metadata.equals( md ) )
+            {
+                return mgn;
+            }
+        }
+
+        MetadataGraphNode node = new MetadataGraphNode( md );
+        addNode( node );
+        return node;
+    }
+
+    /**
+     * getter
+     *
+     * @return
+     */
+    public MetadataGraphNode getEntry()
+    {
+        return entry;
+    }
+
+    /**
+     * getter
+     *
+     * @return
+     */
+    public Collection<MetadataGraphNode> getNodes()
+    {
+        return nodes;
+    }
+}