Rename link2master to link2support.

Normand Briere

2019-09-18 f9325048496d7cdbcad233f8a6b84c88e79adcc2

 FileObject.java
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@@ -19,15 +19,37 @@
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     boolean HasBigData()
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     {
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-        return false;
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+        return filecontent != null;
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     }
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     void ExtractBigData(java.util.Hashtable<java.util.UUID, Object3D> hashtable)
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     {
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+        Object3D o;
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+        
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+        if (hashtable.containsKey(GetUUID()))
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+        {
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+            o = hashtable.get(GetUUID());
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+
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+            //Grafreed.Assert(this.filecontent == ((FileObject)o).filecontent);
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+        }
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+        else
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+        {
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+            o = new Object3D("copy of " + this.name);
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+
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+            hashtable.put(GetUUID(), o);
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+        }
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+
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+        ExtractBigData(o);
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     }
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     void RestoreBigData(java.util.Hashtable<java.util.UUID, Object3D> hashtable)
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     {
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+        if (!hashtable.containsKey(GetUUID()))
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+            return;
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+
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+        Object3D o = hashtable.get(GetUUID());
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+
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+        RestoreBigData(o);
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     }
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     boolean IsStatic()
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@@ -100,7 +122,8 @@
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         o.savefilecontent = this.filecontent;
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-        // filecontent transient
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+        // filecontent is transient
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+        this.filecontent = null;
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     }
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     void RestoreBigData(Object3D o)