1 files changed, 56 insertions, 0 deletions
diff --git a/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionEdge.java b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionEdge.java
new file mode 100644
index 000000000000..9d9798279d41
--- /dev/null
+++ b/plugins/java-decompiler/engine/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionEdge.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2000-2014 JetBrains s.r.o.
+ *
+ * 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.
+ */
+package org.jetbrains.java.decompiler.modules.decompiler.vars;
+
+public class VarVersionEdge { // FIXME: can be removed? 
+
+  public static final int EDGE_GENERAL = 0;
+  public static final int EDGE_PHANTOM = 1;
+
+  public int type;
+
+  public VarVersionNode source;
+
+  public VarVersionNode dest;
+
+  private int hashCode;
+
+  public VarVersionEdge(int type, VarVersionNode source, VarVersionNode dest) {
+    this.type = type;
+    this.source = source;
+    this.dest = dest;
+    this.hashCode = source.hashCode() ^ dest.hashCode() + type;
+  }
+
+  @Override
+  public boolean equals(Object o) {
+    if (o == this) return true;
+    if (o == null || !(o instanceof VarVersionEdge)) return false;
+
+    VarVersionEdge edge = (VarVersionEdge)o;
+    return type == edge.type && source == edge.source && dest == edge.dest;
+  }
+
+  @Override
+  public int hashCode() {
+    return hashCode;
+  }
+
+  @Override
+  public String toString() {
+    return source.toString() + " ->" + type + "-> " + dest.toString();
+  }
+}