Examples of org.eclipse.jdt.core.search.SearchEngine

org.eclipse.jdt.core.search.SearchEngine
A {@link SearchEngine} searches for Java elements following a search pattern.The search can be limited to a search scope.
Various search patterns can be created using the factory methods {@link SearchPattern#createPattern(String,int,int,int)}, {@link SearchPattern#createPattern(IJavaElement,int)}, {@link SearchPattern#createOrPattern(SearchPattern,SearchPattern)}.

For example, one can search for references to a method in the hierarchy of a type, or one can search for the declarations of types starting with "Abstract" in a project.

This class may be instantiated.
@noextend This class is not intended to be subclassed by clients.

        if (oldContainer != null && !oldContainer.equals(containerName)) {
          onDemandConflicts.add(name);
        }
      }
    };
    new SearchEngine().searchAllTypeNames(allPackages, allTypes, scope, requestor, IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH, monitor);
    return onDemandConflicts;
  }

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                IJavaSearchScope.APPLICATION_LIBRARIES);
        SearchPattern pattern = createSearchPattern(patternText);
        SearchParticipant[] participants = new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() };
        ClassCollector collector = new ClassCollector();
        try {
            new SearchEngine().search(pattern, participants, scope, collector, progressMonitor);
        } catch (CoreException e) {
            logError(e);
            return new IType[0];
        }
        IType[] foundTypes = collector.getTypes().toArray(new IType[collector.getTypes().size()]);

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            }
          }
        } catch (JavaModelException e) {}
      }
    };
    SearchEngine engine = new SearchEngine();
    engine.search(pattern, new SearchParticipant[] { SearchEngine
        .getDefaultSearchParticipant() }, scope, requestor,
        null);
    
    return annotations;
  }

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                    if (scopeHasChanged) {
                        updateSearchScope();
                    }


                    SearchEngine engine = new SearchEngine();


                    Activator.getLogservice().log(LogService.LOG_ERROR, "Searching for " + potentialAnnotationName);
                    engine.search(pattern, new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()}, scope,
                        requestor, null);
                    matches.put(potentialAnnotationName, matchesForAnnotation);


                    return matchesForAnnotation;

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      SearchPattern pattern=  SearchPattern.createPattern(className, IJavaSearchConstants.TYPE, IJavaSearchConstants.DECLARATIONS,
          SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE | SearchPattern.R_ERASURE_MATCH);
      IJavaSearchScope scope= SearchEngine.createJavaSearchScope(new IJavaElement[] { project }, false);
      NonPublicClassInCUCollector requestor= new NonPublicClassInCUCollector();


      SearchEngine searchEngine= new SearchEngine();
      searchEngine.search(pattern, new SearchParticipant[] {SearchEngine.getDefaultSearchParticipant()},
          scope, requestor, new NullProgressMonitor());
      
      element= requestor.fFound;
    }

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        }
      }
    };


    try {
      new SearchEngine().search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() },
          scope, requestor, null);
    } catch (CoreException e) {
      StatusHandler.log(new Status(IStatus.ERROR, SpringCore.PLUGIN_ID,
          "An error occurred while searching for Java config files.", e));
    }

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    URL localJarURL = Platform.asLocalURL(jarURL);
    return new Path(localJarURL.getPath());
  }


  private void waitForIndexer() throws JavaModelException {
    new SearchEngine().searchAllTypeNames(ResourcesPlugin.getWorkspace(),
        null, null, IJavaSearchConstants.EXACT_MATCH,
        IJavaSearchConstants.CASE_SENSITIVE,
        IJavaSearchConstants.CLASS, SearchEngine
            .createJavaSearchScope(new IJavaElement[0]),
        new ITypeNameRequestor() {

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          }
        }
      }
    };


    SearchEngine engine = new SearchEngine();
    SearchPattern pattern = SearchPattern.createPattern(packageName, IJavaSearchConstants.PACKAGE,
        IJavaSearchConstants.ALL_OCCURRENCES, SearchPattern.R_EXACT_MATCH);
    try {
      engine.search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() },
          SearchEngine.createWorkspaceScope(), collector, new NullProgressMonitor());
    }
    catch (CoreException e) {
    }

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    try {
      IJavaSearchScope hierarchyScope = SearchEngine.createHierarchyScope(superType);
      IJavaSearchScope projectScope = SearchEngine.createJavaSearchScope(new IJavaElement[] { jproject });
      IJavaSearchScope scope = new IntersectingJavaSearchScope(projectScope, hierarchyScope);
      SearchEngine searchEngine = new SearchEngine();


      char[] typeName = null;
      char[] packageName = null;
      if (!contentAssistRequest.getMatchString().isEmpty()) {
        typeName = contentAssistRequest.getMatchString().toCharArray();
      }


      searchEngine.searchAllTypeNames(packageName, SearchPattern.R_PATTERN_MATCH, typeName, SearchPattern.R_PREFIX_MATCH | SearchPattern.R_CAMELCASE_MATCH, IJavaSearchConstants.CLASS, scope, new TypeNameRequestor() {
        @Override
        public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path) {
          String sPackageName = new String(packageName);
          int priority = PRIORITY_LOWER_1;
          if (sPackageName.startsWith("com.sun.javafx")) {

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                typeName = contentAssistRequest.getMatchString().toCharArray();
              }
            }
            
            IJavaSearchScope searchScope = SearchEngine.createJavaSearchScope(new IJavaElement[] { jproject });
            SearchEngine searchEngine = new SearchEngine();
            try {
              searchEngine.searchAllTypeNames(packageName, SearchPattern.R_PATTERN_MATCH, typeName, SearchPattern.R_PREFIX_MATCH | SearchPattern.R_CAMELCASE_MATCH, IJavaSearchConstants.TYPE, searchScope, new TypeNameRequestor() {
                public void acceptType(int modifiers, char[] packageName, char[] simpleTypeName, char[][] enclosingTypeNames, String path) {
                  String sPackageName = new String(packageName);
                  int priority = PRIORITY_LOWER_1;
                  if (sPackageName.startsWith("com.sun")) {
                    priority -= 10;

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