ThreadFactory factory1 = builder.setPriority(1).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());

    ThreadFactory factory2 = builder.setPriority(2).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());
    assertEquals(2, factory2.newThread(monitoredRunnable).getPriority());
  }

  public void testBuildTwice() {
    ThreadFactory unused;

    ThreadFactory factory1 = builder.setPriority(1).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());

    ThreadFactory factory2 = builder.setPriority(2).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());
    assertEquals(2, factory2.newThread(monitoredRunnable).getPriority());
  }

  public void testBuildTwice() {
    ThreadFactory unused;

                PluginExecution source,
                boolean sourceDominant,
                Map<Object, Object> context) {
            if (target.getPriority() > source.getPriority()) {
                builder.priority(source.getPriority());
                builder.location("priority", source.getLocation("priority"));
            }
        }

        return resultBuf.toString();
    }

    protected void addScoreBooster(final ScoreBooster scoreBooster) {
        scoreBoosterList.add(scoreBooster);
        scoreBoosterList.sort((b1, b2) -> b2.getPriority() - b1.getPriority());
    }

        factory.add(new TestIngester(3));
        Ingester[] ingesters = factory.getIngesters();
        assertEquals(1, ingesters[0].getPriority());
        assertEquals(2, ingesters[1].getPriority());
        assertEquals(3, ingesters[2].getPriority());
    }

    public void test_add_2() {
        IngestFactory factory = new IngestFactory();
        factory.add(new TestIngester(3));

                PluginExecution source,
                boolean sourceDominant,
                Map<Object, Object> context) {
            if (target.getPriority() > source.getPriority()) {
                builder.priority(source.getPriority());
                builder.location("priority", source.getLocation("priority"));
            }
        }

import org.codelibs.fess.entity.DataStoreParams;
import org.codelibs.fess.util.ComponentUtil;

public abstract class Ingester {

    protected int priority = 99;

    public int getPriority() {
        return priority;
    }

    public void setPriority(final int priority) {
        this.priority = priority;
    }

    public void register() {
        ComponentUtil.getIngestFactory().add(this);
    }

    // web/file

        return new VersionsMetadataGenerator(session, request);
    }

    @SuppressWarnings("checkstyle:magicnumber")
    @Override
    public float getPriority() {
        return 20; // GA level metadata should be deployed 2nd MD
    }

            throws NoRepositoryConnectorException {
        return new TestRepositoryConnector(repository);
    }

    public float getPriority() {
        return 0;
    }

        return new RemoteSnapshotMetadataGenerator(session, request);
    }

    @SuppressWarnings("checkstyle:magicnumber")
    @Override
    public float getPriority() {
        return 30; // GAV level metadata should be deployed 1st MD
    }