Simple migration step implementation that runs a specified SCL script

[simantics/platform.git] / bundles / org.simantics.modeling / src / org / simantics / modeling / LifeCycleProcesses.java

diff --git a/bundles/org.simantics.modeling/src/org/simantics/modeling/LifeCycleProcesses.java b/bundles/org.simantics.modeling/src/org/simantics/modeling/LifeCycleProcesses.java
index c597a9289db05b1bdb27dfd12ceef4cc9f2d5e7b..ae7cdfd2bc4512411b51ea7cb96cba132c2c73d0 100644 (file)
--- a/bundles/org.simantics.modeling/src/org/simantics/modeling/LifeCycleProcesses.java
+++ b/bundles/org.simantics.modeling/src/org/simantics/modeling/LifeCycleProcesses.java
@@ -1,80 +1,76 @@
-package org.simantics.modeling;\r
-\r
-import java.util.HashSet;\r
-import java.util.Set;\r
-\r
-import org.simantics.Simantics;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Resource;\r
-import org.simantics.db.common.request.ReadRequest;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.layer0.util.Layer0Utils;\r
-import org.simantics.db.layer0.variable.Variable;\r
-import org.simantics.db.layer0.variable.Variables;\r
-import org.simantics.project.exception.ProjectException;\r
-import org.simantics.project.features.AbstractProjectFeature;\r
-import org.simantics.scl.runtime.function.Function1;\r
-import org.simantics.scl.runtime.tuple.Tuple0;\r
-\r
-public class LifeCycleProcesses extends AbstractProjectFeature {\r
-       \r
-       Set<LifeCycleContext> contexts = new HashSet<LifeCycleContext>();\r
-\r
-       @Override\r
-       public void configure() throws ProjectException {\r
-\r
-               try {\r
-\r
-                       Simantics.getSession().syncRequest(new ReadRequest() {\r
-\r
-                               @Override\r
-                               public void run(ReadGraph graph) throws DatabaseException {\r
-\r
-                                       ModelingResources MOD = ModelingResources.getInstance(graph);\r
-                                       for(Resource indexRoot : Layer0Utils.listIndexRoots(graph)) {\r
-                                               for(Resource lcp : ModelingUtils.searchByTypeShallow(graph, indexRoot, MOD.LifeCycleProcess)) {\r
-                                                       \r
-//                                                     System.err.println("Loading life cycle process " + graph.getURI(lcp));\r
-                                                       Function1<LifeCycleContext,Tuple0> load = null; \r
-                                                       Function1<LifeCycleContext,Tuple0> unload = null;\r
-                                               Variable loadProperty = Variables.tryGetProperty(graph, lcp, MOD.LifeCycleProcess_load);\r
-                                               if (loadProperty != null) {\r
-                                                   load = loadProperty.getPossibleValue(graph);\r
-                                               }\r
-                                               Variable unloadProperty = Variables.tryGetProperty(graph, lcp, MOD.LifeCycleProcess_unload);\r
-                                               if (unloadProperty != null) {\r
-                                                   unload = unloadProperty.getPossibleValue(graph);\r
-                                               }\r
-\r
-                                                       LifeCycleContext lcc = new LifeCycleContext(lcp, load, unload);\r
-                                                       contexts.add(lcc);\r
-                                                       \r
-                                               }\r
-                                       }\r
-                                       \r
-                               }\r
-                               \r
-                       });\r
-                       \r
-               } catch (DatabaseException e) {\r
-                       \r
-                       throw new ProjectException(e);\r
-                       \r
-               }\r
-               \r
-               for(LifeCycleContext context : contexts) {\r
-                       context.load();\r
-               }\r
-               \r
-       }\r
-\r
-       @Override\r
-       public void deconfigure() throws ProjectException {\r
-\r
-               for(LifeCycleContext context : contexts) {\r
-                       context.unload();\r
-               }\r
-\r
-       }\r
-       \r
-}\r
+package org.simantics.modeling;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Set;
+
+import org.simantics.Simantics;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.QueryIndexUtils;
+import org.simantics.db.layer0.util.Layer0Utils;
+import org.simantics.db.layer0.variable.Variable;
+import org.simantics.db.layer0.variable.Variables;
+import org.simantics.db.request.Read;
+import org.simantics.project.exception.ProjectException;
+import org.simantics.project.features.AbstractProjectFeature;
+import org.simantics.scl.runtime.function.Function1;
+import org.simantics.scl.runtime.tuple.Tuple0;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class LifeCycleProcesses extends AbstractProjectFeature {
+
+       private static final Logger LOGGER = LoggerFactory.getLogger(LifeCycleProcesses.class);
+
+       Set<LifeCycleContext> contexts = Collections.emptySet();
+
+       @Override
+       public void configure() throws ProjectException {
+               try {
+                       this.contexts = Simantics.getSession().syncRequest(new Read<Set<LifeCycleContext>>() {
+
+                               @Override
+                               public Set<LifeCycleContext> perform(ReadGraph graph) throws DatabaseException {
+                                       Set<LifeCycleContext> contexts = new HashSet<>();
+
+                                       ModelingResources MOD = ModelingResources.getInstance(graph);
+                                       for(Resource indexRoot : Layer0Utils.listIndexRoots(graph)) {
+                                               for(Resource lcp : QueryIndexUtils.searchByTypeShallow(graph, indexRoot, MOD.LifeCycleProcess)) {
+
+                                                       LOGGER.trace("Loading life cycle process " + graph.getURI(lcp));
+                                                       Function1<LifeCycleContext,Tuple0> load = null; 
+                                                       Function1<LifeCycleContext,Tuple0> unload = null;
+                                               Variable loadProperty = Variables.tryGetProperty(graph, lcp, MOD.LifeCycleProcess_load);
+                                               if (loadProperty != null) {
+                                                   load = loadProperty.getPossibleValue(graph);
+                                               }
+                                               Variable unloadProperty = Variables.tryGetProperty(graph, lcp, MOD.LifeCycleProcess_unload);
+                                               if (unloadProperty != null) {
+                                                   unload = unloadProperty.getPossibleValue(graph);
+                                               }
+
+                                                       LifeCycleContext lcc = new LifeCycleContext(lcp, load, unload);
+                                                       contexts.add(lcc);
+
+                                               }
+                                       }
+
+                                       return contexts;
+                               }
+                       });
+
+                       contexts.forEach(LifeCycleContext::load);
+
+               } catch (DatabaseException e) {
+                       throw new ProjectException(e);
+               }
+       }
+
+       @Override
+       public void deconfigure() throws ProjectException {
+               contexts.forEach(LifeCycleContext::unload);
+       }
+
+}