X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.graph.compiler%2Fsrc%2Forg%2Fsimantics%2Fgraph%2Fcompiler%2FGraphCompiler.java;h=53060b767d072409834403e10bb810c870203e51;hb=refs%2Fchanges%2F49%2F1549%2F6;hp=26663b08a2a5f288e9f38753ff53162045a82c02;hpb=a8d030f7db1f59a5b51cdc34f18de7c0a0ee8549;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/GraphCompiler.java b/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/GraphCompiler.java
index 26663b08a..53060b767 100644
--- a/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/GraphCompiler.java
+++ b/bundles/org.simantics.graph.compiler/src/org/simantics/graph/compiler/GraphCompiler.java
@@ -11,6 +11,7 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Formatter;
 import java.util.Locale;
+import java.util.TreeMap;
 
 import org.simantics.databoard.Bindings;
 import org.simantics.databoard.Files;
@@ -56,23 +57,29 @@ public class GraphCompiler {
 	}
 	
 	public static TransferableGraph1 read(InputStream stream) throws AdaptException, IOException {
-		DataContainer container = DataContainers.readFile(new DataInputStream(stream));
-		stream.close();
-		return (TransferableGraph1)container.content.getValue(TransferableGraph1.BINDING);
+		try (InputStream in = stream) {
+			DataContainer container = DataContainers.readFile(new DataInputStream(stream));
+			return (TransferableGraph1)container.content.getValue(TransferableGraph1.BINDING);
+		}
 	}
 	
 	public static InputStream write(TransferableGraph1 tg) throws BindingException, IOException {
 		Binding binding = TransferableGraph1.BINDING;
 		int hashCode = binding.hashValue(tg);
-		tg.extensions.put(Extensions.CACHED_HASHCODE, new Variant(Bindings.INTEGER, hashCode));
-		try {
-			byte[] buffer = DataContainers.writeFile(
-					new DataContainer("graph", 1, new Variant(TransferableGraph1.BINDING, tg))
-					);
-			return new ByteArrayInputStream(buffer);
-		} finally {
-			tg.extensions.remove(Extensions.CACHED_HASHCODE);
-		}
+		TreeMap<String, Variant> metadata = new TreeMap<>();
+		metadata.put(Extensions.CACHED_HASHCODE, new Variant(Bindings.INTEGER, hashCode));
+		byte[] buffer = DataContainers.writeFile(
+				new DataContainer("graph", 1, metadata, new Variant(binding, tg))
+				);
+		return new ByteArrayInputStream(buffer);
+	}
+	
+	public static void write(File file, TransferableGraph1 tg) throws BindingException, IOException {
+		Binding binding = TransferableGraph1.BINDING;
+		int hashCode = binding.hashValue(tg);
+		TreeMap<String, Variant> metadata = new TreeMap<>();
+		metadata.put(Extensions.CACHED_HASHCODE, new Variant(Bindings.INTEGER, hashCode));
+		DataContainers.writeFile(file, new DataContainer("graph", 1, metadata, new Variant(binding, tg)));
 	}
 	
 	public static CompilationResult compile(