X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2FCommandMetadata.java;fp=bundles%2Forg.simantics.db.common%2Fsrc%2Forg%2Fsimantics%2Fdb%2Fcommon%2FCommandMetadata.java;h=6d980165f5e120adfa2371047054f4f16fdcba97;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/CommandMetadata.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/CommandMetadata.java
new file mode 100644
index 000000000..6d980165f
--- /dev/null
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/CommandMetadata.java
@@ -0,0 +1,93 @@
+package org.simantics.db.common;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.simantics.databoard.Bindings;
+import org.simantics.databoard.binding.Binding;
+import org.simantics.databoard.serialization.SerializationException;
+import org.simantics.databoard.serialization.Serializer;
+import org.simantics.db.Metadata;
+import org.simantics.db.Session;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+
+public class CommandMetadata implements Metadata {
+
+    public static final boolean DEBUG = false;
+    public static final String RESET_COMMAND = "// RESET";
+    
+    private static final Binding BINDING = 
+            Bindings.getBindingUnchecked(CommandMetadata.class);
+    private static final Serializer SERIALIZER = 
+            Bindings.getSerializerUnchecked(BINDING);
+    
+    public List<Command> commands;
+    
+    public static class Command {
+        public long modelId;
+        public String command;
+        
+        public Command() {         
+        }
+        
+        public Command(long modelId, String command) {
+            super();
+            this.modelId = modelId;
+            this.command = command;
+        }
+    }
+    
+    public CommandMetadata() {
+    }
+
+    @Override
+    public byte[] serialise(Session session) {
+        try {
+            return SERIALIZER.serialize(this);
+        } catch (IOException e) {
+            e.printStackTrace();
+            throw new RuntimeException(e);
+        }
+    }
+    
+    public static CommandMetadata deserialise(Session session, byte[] input) {
+        if(input == null) {
+            CommandMetadata metadata = new CommandMetadata();
+            metadata.commands = new ArrayList<Command>();
+            return metadata;
+        }
+        try {
+            return (CommandMetadata)SERIALIZER.deserialize(input);
+        } catch (SerializationException e) {
+            e.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public CommandMetadata add(Command command) {
+        commands.add(command);
+        return this;
+    }
+    
+    public List<Command> getCommands() {
+        return commands;
+    }
+
+    public static void add(WriteGraph graph, long modelId, String command) throws DatabaseException {
+        if(DEBUG) {
+            System.out.println("-------------------------------------------------------------");
+            System.out.println(command);
+        }
+        graph.addMetadata(graph.getMetadata(CommandMetadata.class).add(
+                new Command(modelId, command)));
+    }
+    
+    public static void addReset(WriteGraph graph, long modelId) throws DatabaseException {
+        graph.addMetadata(graph.getMetadata(CommandMetadata.class).add(
+                new Command(modelId, RESET_COMMAND)));
+    }
+}