Set resources immutable

[simantics/platform.git] / bundles / org.simantics.db.common / src / org / simantics / db / common / utils / CommonDBUtils.java

diff --git a/bundles/org.simantics.db.common/src/org/simantics/db/common/utils/CommonDBUtils.java b/bundles/org.simantics.db.common/src/org/simantics/db/common/utils/CommonDBUtils.java
index a07d42519c45741c1cd5c8c038502ca06c4fab4e..747e43cf1a24f1e9b2fe0c34500c285894e501cf 100644 (file)
--- a/bundles/org.simantics.db.common/src/org/simantics/db/common/utils/CommonDBUtils.java
+++ b/bundles/org.simantics.db.common/src/org/simantics/db/common/utils/CommonDBUtils.java
@@ -4,7 +4,6 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.HashSet;
-import java.util.Iterator;
 import java.util.List;
 import java.util.Set;
 
@@ -16,8 +15,10 @@ import org.simantics.db.WriteGraph;
 import org.simantics.db.common.procedure.adapter.DirectStatementProcedure;
 import org.simantics.db.common.request.IsParent;
 import org.simantics.db.common.request.ObjectsWithType;
+import org.simantics.db.common.request.PossibleChild;
 import org.simantics.db.common.request.PossibleObjectWithType;
 import org.simantics.db.common.request.PossibleOwner;
+import org.simantics.db.common.request.RuntimeEnvironmentRequest;
 import org.simantics.db.exception.DatabaseException;
 import org.simantics.db.exception.InvalidResourceReferenceException;
 import org.simantics.db.service.ClusterUID;
@@ -26,6 +27,10 @@ import org.simantics.db.service.DirectQuerySupport;
 import org.simantics.db.service.SerialisationSupport;
 import org.simantics.db.service.XSupport;
 import org.simantics.layer0.Layer0;
+import org.simantics.scl.compiler.environment.Environments;
+import org.simantics.scl.compiler.runtime.RuntimeEnvironment;
+import org.simantics.scl.compiler.top.SCLExpressionCompilationException;
+import org.simantics.scl.compiler.types.Type;
 import org.simantics.utils.datastructures.collections.CollectionUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -313,5 +318,37 @@ public class CommonDBUtils {
        return xs.isClusterLoaded(clusterUID);
     }
     
+    public static void setImmutable(ReadGraph graph, Resource resource, boolean value) throws DatabaseException {
+        XSupport xs = graph.getService(XSupport.class);
+        xs.setImmutable(resource, value);
+    }
+
+    public static Type getSCLType(ReadGraph graph, RuntimeEnvironment runtimeEnvironment, String typeText) throws DatabaseException {
+        try {
+            return Environments.getType(runtimeEnvironment.getEnvironment(), typeText);
+        } catch (SCLExpressionCompilationException e) {
+            throw new DatabaseException(e);
+        }
+    }
+
+    public static Type getSCLType(ReadGraph graph, Resource resource, String typeText) throws DatabaseException {
+        try {
+            RuntimeEnvironment runtimeEnvironment = graph.syncRequest(new RuntimeEnvironmentRequest(resource));
+            return Environments.getType(runtimeEnvironment.getEnvironment(), typeText);
+        } catch (SCLExpressionCompilationException e) {
+            throw new DatabaseException(e);
+        }
+    }
+
+    public static Resource getPossibleChild(ReadGraph graph, Resource resource, String name) throws DatabaseException {
+        return graph.sync(new PossibleChild(resource, name));
+    }
+
+    public static Resource getPossibleChild(ReadGraph graph, Resource resource, Resource type, String name) throws DatabaseException {
+        Resource child = graph.sync(new PossibleChild(resource, name));
+        if(child == null) return null;
+        if(!graph.isInstanceOf(child, type)) return null;
+        return child;
+    }
     
 }