bundles/org.simantics.issues.common/src/org/simantics/issues/common/HideFunction.java

   1 package org.simantics.issues.common;
   2
   3 import java.util.Objects;
   4
   5 import org.simantics.databoard.util.ObjectUtils;
   6 import org.simantics.db.Resource;
   7 import org.simantics.db.VirtualGraph;
   8 import org.simantics.db.WriteGraph;
   9 import org.simantics.db.common.CommentMetadata;
  10 import org.simantics.db.common.request.WriteRequest;
  11 import org.simantics.db.common.utils.NameUtils;
  12 import org.simantics.db.exception.DatabaseException;
  13 import org.simantics.db.exception.RuntimeDatabaseException;
  14 import org.simantics.db.service.VirtualGraphSupport;
  15 import org.simantics.issues.ontology.IssueResource;
  16 import org.simantics.scl.runtime.SCLContext;
  17 import org.simantics.scl.runtime.function.FunctionImpl1;
  18
  19 /**
  20  * @author Tuukka Lehtonen
  21  * @since 1.31.0
  22  */
  23 class HideFunction extends FunctionImpl1<Boolean, Boolean> {
  24
  25     private Resource[] issues;
  26
  27     public HideFunction(Resource... issues) {
  28         this.issues = issues;
  29     }
  30
  31     @Override
  32     public Boolean apply(Boolean hide) {
  33         try {
  34             WriteGraph graph = Objects.requireNonNull((WriteGraph) SCLContext.getCurrent().get("graph"));
  35             IssueResource ISSUE = IssueResource.getInstance(graph);
  36             boolean changed = false;
  37             for (Resource issue : issues)
  38                 changed |= tag(graph, issue, ISSUE.Hidden, hide);
  39             return changed;
  40         } catch (DatabaseException e) {
  41             throw new RuntimeDatabaseException(e);
  42         }
  43     }
  44
  45     private static boolean tag(WriteGraph graph, Resource r, Resource tagRel, boolean tag) throws DatabaseException {
  46         boolean isTagged = graph.hasStatement(r, tagRel);
  47         if (tag && !isTagged) {
  48             // If r is virtual, we perform tagging in the same vg
  49             VirtualGraphSupport vgs = graph.getService(VirtualGraphSupport.class);
  50             VirtualGraph vg = vgs.getGraph(graph, r);
  51             if (vg != null) {
  52                 graph.sync(new WriteRequest(vg) {
  53                     @Override
  54                     public void perform(WriteGraph graph) throws DatabaseException {
  55                         graph.claim(r, tagRel, tagRel, r);
  56                         CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
  57                         graph.addMetadata(cm.add(ObjectUtils.toString("Marking " + NameUtils.getSafeLabel(graph, r) + " to " + NameUtils.getSafeName(graph, tagRel))));
  58                     }
  59                 });
  60             } else {
  61                 graph.claim(r, tagRel, tagRel, r);
  62                 CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
  63                 graph.addMetadata(cm.add(ObjectUtils.toString("Marking " + NameUtils.getSafeLabel(graph, r) + " to " + NameUtils.getSafeName(graph, tagRel))));
  64             }
  65             return true;
  66         } else if (!tag && isTagged) {
  67             graph.deny(r, tagRel, tagRel, r);
  68             CommentMetadata cm = graph.getMetadata(CommentMetadata.class);
  69             graph.addMetadata(cm.add(ObjectUtils.toString("Denying " + NameUtils.getSafeLabel(graph, r) + " to " + NameUtils.getSafeName(graph, tagRel))));
  70             return true;
  71         }
  72
  73         return false;
  74     }
  75
  76 }