Platform startup performance improvements

[simantics/platform.git] / bundles / org.simantics.graph / src / org / simantics / graph / representation / Extensions.java

diff --git a/bundles/org.simantics.graph/src/org/simantics/graph/representation/Extensions.java b/bundles/org.simantics.graph/src/org/simantics/graph/representation/Extensions.java
index a8c497f59aae838113201d6d841b94ab9608ab40..73a988798397964210a93f50074ef824051694af 100644 (file)
--- a/bundles/org.simantics.graph/src/org/simantics/graph/representation/Extensions.java
+++ b/bundles/org.simantics.graph/src/org/simantics/graph/representation/Extensions.java
@@ -1,21 +1,36 @@
-package org.simantics.graph.representation;\r
-\r
-import java.util.TreeMap;\r
-\r
-import org.simantics.databoard.binding.mutable.Variant;\r
-\r
-public class Extensions {\r
-       \r
-       final public static String CLUSTERING = "clustering";\r
-       final public static String CLUSTER_SETS = "clusterSets";\r
-       final public static int NO_CLUSTER_SET = -1;\r
-       final public static int ROOT_LIBRARY_CLUSTER_SET = -1;\r
-       final public static int INDEX_ROOT_CLUSTER_SET = -2;\r
-       \r
-       public TreeMap<String, Variant> map = new TreeMap<String, Variant>();\r
-       \r
-       public Extensions(TreeMap<String, Variant> map) {\r
-               this.map = map;\r
-       }\r
-\r
-}\r
+package org.simantics.graph.representation;
+
+import java.util.TreeMap;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.mutable.Variant;
+
+public class Extensions {
+
+       public static final Binding BINDING = Bindings.getBindingUnchecked(Extensions.class);
+
+       /**
+        * Used for storing a cached hash code computed from a
+        * {@link TransferableGraph1} instance in the metadata map of the
+        * <code>DataContainer</code> containing the TG.
+        */
+       public final static String CACHED_HASHCODE = "cached.hashCode";
+
+       final public static String CLUSTERING = "clustering";
+       final public static String CLUSTER_SETS = "clusterSets";
+       final public static int NO_CLUSTER_SET = -1;
+       final public static int ROOT_LIBRARY_CLUSTER_SET = -1;
+       final public static int INDEX_ROOT_CLUSTER_SET = -2;
+
+       public TreeMap<String, Variant> map;
+
+       public Extensions() {
+               this.map = new TreeMap<>();
+       }
+
+       public Extensions(TreeMap<String, Variant> map) {
+               this.map = map;
+       }
+
+}