1 package org.simantics.db.layer0.scl;
3 import org.simantics.db.ReadGraph;
4 import org.simantics.db.Resource;
5 import org.simantics.db.Session;
6 import org.simantics.db.common.request.ResourceRead;
7 import org.simantics.db.exception.DatabaseException;
8 import org.simantics.db.layer0.adapter.ActionFactory;
9 import org.simantics.db.layer0.internal.SimanticsInternal;
10 import org.simantics.db.layer0.util.DatabaseExceptionUtils;
11 import org.simantics.db.layer0.variable.Variable;
12 import org.simantics.db.layer0.variable.Variables;
13 import org.simantics.layer0.Layer0;
14 import org.simantics.scl.runtime.function.Function1;
15 import org.slf4j.Logger;
16 import org.slf4j.LoggerFactory;
18 public class SCLAction implements ActionFactory {
20 private static final Logger LOGGER = LoggerFactory.getLogger(SCLAction.class);
22 private final Resource rule;
24 public SCLAction(ReadGraph graph, Resource rule) throws DatabaseException {
28 static class RuleFunctionRequest extends ResourceRead<Function1<Resource, Object>> {
30 protected RuleFunctionRequest(Resource rule) {
35 public Function1<Resource, Object> perform(ReadGraph graph) throws DatabaseException {
36 Variable ruleVariable = Variables.getVariable(graph, resource);
37 Layer0 L0 = Layer0.getInstance(graph);
38 return ruleVariable.getPossiblePropertyValue(graph, L0.SCLAction_action);
43 static class SCLActionRunnable implements Runnable {
45 public final Resource rule;
46 public final Resource target;
48 public SCLActionRunnable(Resource rule, Resource target) {
55 Session s = SimanticsInternal.getSession();
56 Resource resource = (Resource) target;
59 Function1<Resource, Object> function = s.syncRequest(new RuleFunctionRequest(rule));
60 function.apply(resource);
61 } catch (DatabaseException e) {
62 LOGGER.error("Error while executing action " + DatabaseExceptionUtils.showResource(s, resource), e);
69 public Runnable create(final Object target) {
70 return new SCLActionRunnable(rule, (Resource) target);