ComponentUtil.register(mockSystemHelper, "systemHelper");
        ComponentUtil.register(mockPopularWordHelper, "popularWordHelper");

        // Create SuggestJob after all components are registered
        suggestJob = new SuggestJob();
    }

    @Override
    protected void tearDown(TestInfo testInfo) throws Exception {
        // Clean up temp directory
        if (tempDir != null && tempDir.exists()) {

        ResourceHolder holder = new ResourceHolder(resourceId, resource, referenceQueue);

        activeResources.put(resourceId, holder);
        totalAllocated.incrementAndGet();

        log.trace("Registered resource: {} ({})", resourceId, resource.getClass().getSimpleName());

        return resourceId;
    }

    /**
     * Mark a resource as closed
     *
     * @param resourceId the resource ID

import java.util.concurrent.atomic.AtomicLong;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * RDMA buffer manager for efficient memory region pooling.
 *
 * Manages pools of pre-registered memory regions to avoid the overhead
 * of frequent registration/deregistration during RDMA operations.
 */
public class RdmaBufferManager implements AutoCloseable {

  if (entry != GetFactories().end()) {
    default_factory = GetFactories().find(name)->second;
    return absl::OkStatus();
  }
  string msg = absl::StrCat(
      "No tracing engine factory has been registered with the key '", name,
      "' (available: ");
  // Ensure deterministic (sorted) order in the error message
  std::set<string> factories_sorted;
  for (const auto& factory : GetFactories())

        scriptEngineFactory.add("engine1", engine1);
        scriptEngineFactory.add("engine2", engine2);
        scriptEngineFactory.add("custom", customEngine);

        // Verify all engines are accessible by their registered names
        assertEquals(engine1, scriptEngineFactory.getScriptEngine("engine1"));
        assertEquals(engine2, scriptEngineFactory.getScriptEngine("engine2"));

MinIO's Object Lambda, enables application developers to process data retrieved from MinIO before returning it to an application. You can register a Lambda Function target on MinIO, once successfully registered it can be used to transform the data for application GET requests on demand.

   * one of the listener's callbacks will execute at once. However, multiple listeners' callbacks
   * may execute concurrently, and listeners may execute in an order different from the one in which
   * they were registered.
   *
   * <p>RuntimeExceptions thrown by a listener will be caught and logged. Any exception thrown
   * during {@code Executor.execute} (e.g., a {@code RejectedExecutionException}) will be caught and
   * logged.

 */
public class RankFusionProcessorEdgeCaseTest extends UnitFessTestCase {

    private static final String ID_FIELD = "_id";

    /**
     * Test behavior when no searchers are registered (empty list).
     */
    @Test
    public void test_emptySearcherList() throws Exception {
        try (RankFusionProcessor processor = new RankFusionProcessor()) {
            processor.init();

import java.util.Queue;
import java.util.concurrent.Executor;
import java.util.logging.Level;

/**
 * A list of listeners for implementing a concurrency friendly observable object.
 *
 * <p>Listeners are registered once via {@link #addListener} and then may be invoked by {@linkplain
 * #enqueue enqueueing} and then {@linkplain #dispatch dispatching} events.
 *

    private BoostQueryCommand boostQueryCommand;
    private QueryProcessor queryProcessor;

    @Override
    protected void setUpChild() throws Exception {
        // Get the queryProcessor that was registered in parent class
        queryProcessor = ComponentUtil.getComponent("queryProcessor");

        // Register all query commands needed for testing
        new TermQueryCommand().register();