codingtim

public class SomeMongoTest
  private static InMemoryMongo inMemoryMongo;
  private static Client client;
  
  @BeforeClass
  public static void setUpClass() throws Exception {
    inMemoryMongo = new InMemoryMongo().start();
    client = inMemoryMongo.getClient();
  }

codingtim

public class Target {

    private String code;
    private String name;
    private String publicIdentifier;

    public Target(String code, String name, String publicIdentifier) {
        this.code = code;
        this.name = name;
        this.publicIdentifier = publicIdentifier;

codingtim

public class Target {

    private static final Pattern ALLOWED_REGEX = Pattern.compile("[a-zA-Z\\-_]*");

    private String code;
    private String name;
    private String publicIdentifier;

    public Target(String code, String name, String publicIdentifier) {
        validate(code, "code");

codingtim

public class PublicIdentifier {

    private static final Pattern ALLOWED_REGEX = Pattern.compile("[a-zA-Z\\-_]*");

    private String value;

    public PublicIdentifier(String value) {
        validate(value);
        this.value = value;
    }

codingtim

public interface DataSource {
  List<Entity> getEntities();
}

codingtim

public interface PagedDataSource {
  List<Entity> getEntities(Paging paging);
}

codingtim

public class PagedDataSourceConsumer {
  private PagedDataSource pagedDataSource;
  public void consume() {
    List<Entity> entities;
    Paging nextPage = Paging.firstPage();
    for(entities = pagedDataSource.getEntities(nextPage); !entities.isEmpty(); entities = pagedDataSource.getEntities(nextPage)) {
      for(Entity entity: entities) {
        //doStuff
      }
      nextPage = nextPage.next();

codingtim

import com.mxgraph.canvas.mxICanvas;
import com.mxgraph.canvas.mxSvgCanvas;
import com.mxgraph.io.mxCodec;
import com.mxgraph.util.mxCellRenderer;
import com.mxgraph.util.mxDomUtils;
import com.mxgraph.util.mxUtils;
import com.mxgraph.util.mxXmlUtils;
import com.mxgraph.view.mxGraph;

public class DrawIoConverter{

codingtim

public interface IteratorDataSource {
  Iterator<Entity> getAllEntities();
}

codingtim

public class IteratorDataSourceImpl implements IteratorDataSource {

  private PagedDataSource pagedDataSource;

  @Override
  public Iterator<Entity> getAllEntities() {
    return new PagedIterator(Paging.firstPage(), (Paging paging) -> pagedDataSource.getEntities(paging).iterator());
  }

  private static class PagedIterator implements Iterator<Entity> {