private Map<String, Relation> rels;

 

  public RelationsEnvironment() {

    rels = new HashMap<String, Relation>();

  }

 

  public Relation findRelation(String qualifiedName) {

    return rels.get(qualifiedName);

  }

 

  public Iterator<Relation> iterator() {

    return rels.values().iterator();

  }

 

  public void populate(IProgressMonitor monitor) throws CoreException {

    SearchEngine engine = new SearchEngine();

    SearchPattern pattern = SearchPattern.createPattern("Relation", IJavaSearchConstants.ANNOTATION_TYPE, IJavaSearchConstants.ANNOTATION_TYPE_REFERENCE, SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE);

    SearchParticipant[] participants = new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()};

    IJavaSearchScope scope = SearchEngine.createWorkspaceScope();

   

    engine.search(pattern, participants, scope, this, monitor);

  }

 

  public void addRelation(Relation rel) {

    rels.put(rel.getName(), rel);

  }

 

  @Override

  public String toString() {

    return rels.values().toString();

  }

  @Override

  public void acceptSearchMatch(SearchMatch match) throws CoreException {

    if (match.getAccuracy() == SearchMatch.A_INACCURATE)

      return;

    TypeReferenceMatch refMatch = (TypeReferenceMatch)match;

   

    IType relation = (IType) refMatch.getElement();

    IAnnotation relAnno = (IAnnotation) refMatch.getLocalElement();

   

    Object[] types = (Object[])relAnno.getMemberValuePairs()[0].getValue();

    String[] qualifiedTypes = new String[types.length];

    for (int ndx = 0; ndx < qualifiedTypes.length; ndx++)

      qualifiedTypes[ndx] = Utilities.resolveType(relation, (String)types[ndx]);

    addRelation(new Relation(relation.getFullyQualifiedName(), qualifiedTypes));

    //DON't ACTUALLY CHECK HERE!!! That occurs in the framework-side checker.

    //here, just assume all is ok.

   

    //check that the resolved type is actually correct

    //get the list of members

    //check that it has each of the three required members, with the right types

    IMethod[] methods = relation.getMethods();

   

    if (methods.length != 3) {

      ASTNode node = getNode(relation);

      reporter.reportUserProblem("Relations must have three attributes: value, effect, and test.", node, "Relation Parser", SEVERITY.ERROR);

    }

    if (!(methods[0].getElementName().equals("value") && methods[0].getReturnType().equals("[QString;"))){

      ASTNode node = getNode(relation);

      reporter.reportUserProblem("The first attribute must be String[] value().", node, "Relation Parser", SEVERITY.ERROR);

    }

    if (!(methods[1].getElementName().equals("effect") && methods[1].getReturnType().equals("QRelation.Effect;"))){

      ASTNode node = getNode(relation);

      reporter.reportUserProblem("The second attribute must be Relation.Effect effect() default Relation.Effect.ADD.", node, "Relation Parser", SEVERITY.ERROR);

    }

    if (!(methods[2].getElementName().equals("test") && methods[2].getReturnType().equals("QString;"))){

      ASTNode node = getNode(relation);

      reporter.reportUserProblem("The third attribute must be String test() default \"\"", node, "Relation Parser", SEVERITY.ERROR);

    }

*/     

  }

}