Finding References of a given field in the workspace

FindFieldReference.java

List<QuerySpecification> queries = new ArrayList<>();

ICompilationUnit compilationUnit = (ICompilationUnit) ((IStructuredSelection) currentSelection).getFirstElement();
for (IJavaElement javaElement : compilationUnit.getChildren()) {
  if (javaElement instanceof SourceType) {
    IField[] fields = ((SourceType) javaElement).getFields();
    for (IJavaElement field : fields) {
      queries.add(createQuery(field));
    }
  }
}

JavaSearchQuery javaSearchQuery = new JavaSearchQuery(queries);
javaSearchQuery.run(new NullProgressMonitor());
JavaSearchResult searchResult = (JavaSearchResult) javaSearchQuery.getSearchResult();

private ElementQuerySpecification createQuery(IJavaElement element) {
		JavaSearchScopeFactory factory = JavaSearchScopeFactory.getInstance();
		IJavaSearchScope scope = factory.createWorkspaceScope(true);
		String description = factory.getWorkspaceScopeDescription(true);
		return new ElementQuerySpecification(element, IJavaSearchConstants.REFERENCES, scope, description);
}