X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.graph%2Fsrc%2Forg%2Fsimantics%2Fgraph%2Frefactoring%2FTransferableGraphHasher.java;fp=bundles%2Forg.simantics.graph%2Fsrc%2Forg%2Fsimantics%2Fgraph%2Frefactoring%2FTransferableGraphHasher.java;h=e1cf3f6f4b7612cc55c1de5799224fd1defd3322;hp=0000000000000000000000000000000000000000;hb=77921feee3f8331ab54796ff0832921405bea874;hpb=9436bf9b21fc26aa7eb41d128ebe42c9668cedf4

diff --git a/bundles/org.simantics.graph/src/org/simantics/graph/refactoring/TransferableGraphHasher.java b/bundles/org.simantics.graph/src/org/simantics/graph/refactoring/TransferableGraphHasher.java
new file mode 100644
index 000000000..e1cf3f6f4
--- /dev/null
+++ b/bundles/org.simantics.graph/src/org/simantics/graph/refactoring/TransferableGraphHasher.java
@@ -0,0 +1,56 @@
+package org.simantics.graph.refactoring;
+
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.adapter.AdaptException;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.binding.error.BindingException;
+import org.simantics.databoard.binding.mutable.Variant;
+import org.simantics.databoard.container.DataContainer;
+import org.simantics.databoard.container.DataContainers;
+import org.simantics.graph.representation.Extensions;
+import org.simantics.graph.representation.TransferableGraph1;
+
+/**
+ * @author Tuukka Lehtonen
+ * @since 1.34.0
+ */
+public class TransferableGraphHasher {
+
+	public static int hashTG(TransferableGraph1 tg) throws BindingException {
+		return TransferableGraph1.BINDING.hashValue(tg);
+	}
+
+	public static DataContainer addHashToTG(DataContainer tgContainer, TransferableGraph1 tg) throws BindingException {
+		Binding tgb = TransferableGraph1.BINDING;
+		tgContainer.metadata.put(Extensions.CACHED_HASHCODE, new Variant(Bindings.INTEGER, hashTG(tg)));
+		tgContainer.content = new Variant(tgb, tg);
+		return tgContainer;
+	}
+
+	public static DataContainer addHashToTG(DataContainer tgContainer) throws BindingException, AdaptException {
+		return addHashToTG(tgContainer, (TransferableGraph1) tgContainer.content.getValue(TransferableGraph1.BINDING));
+	}
+
+	public static void hashTG(Path input, Path output) throws Exception {
+		System.out.format("Adding cached hash value to transferable graph%n\t" + input.toString() + "%nto%n\t" + output.toString());
+		DataContainers.writeFile(output.toFile(),
+				addHashToTG(
+						DataContainers.readFile(input.toFile(), TransferableGraph1.BINDING) ));
+	}
+
+	public static void main(String[] args) throws Exception {
+		if (args.length == 0) {
+			System.out.println("Required arguments: <input graph.tg file> [<output .tg file>]");
+		} else if (args.length == 1) {
+			// In-place hash
+			Path p = Paths.get(args[0]);
+			hashTG(p, p);
+		} else {
+			hashTG(Paths.get(args[0]), Paths.get(args[1]));
+		}
+	}
+
+}