}

    /**
     * Test the complete workflow of witness registration, notification, and cleanup
     */
    @Test
    void testCompleteWitnessWorkflow() throws Exception {
        // Simulate complete witness workflow

        // 1. Service discovery and registration
        assertEquals(0, mockService.getRegistrationCount());

        String regId =

     * @param contextHandle the context handle from registration
     */
    public WitnessUnregisterMessage(byte[] contextHandle) {
        super(WITNESS_UNREGISTER);
        this.contextHandle = contextHandle != null ? contextHandle.clone() : new byte[20];
    }

    /**
     * Sets the context handle for unregistration.
     *
     * @param contextHandle the context handle from registration
     */

    public void setServerAddress(String serverAddress) {
        this.serverAddress = serverAddress;
    }

    /**
     * Gets the registration flags.
     *
     * @return the flags
     */
    public int getFlags() {
        return flags;
    }

    /**
     * Sets the registration flags.
     *
     * @param flags the flags
     */
    public void setFlags(int flags) {
        this.flags = flags;
    }

        return clientComputerName;
    }

    /**
     * Sets the registration flags.
     *
     * @param flags the registration flags
     */
    public void setFlags(int flags) {
        this.flags = flags;
    }

    /**
     * Gets the registration flags.
     *
     * @return the registration flags
     */
    public int getFlags() {
        return flags;
    }

 * configured with initialization parameters that are passed to all registered clients.</p>
 *
 * <p>Features:</p>
 * <ul>
 *   <li>Pattern-based client mapping</li>
 *   <li>Ordered client registration</li>
 *   <li>Bulk client registration</li>
 *   <li>Automatic client initialization</li>
 *   <li>Resource cleanup management</li>
 * </ul>
 *
 */
public class CrawlerClientFactory implements AutoCloseable {

     */
    RDMA_WRITE,

    /**
     * Traditional send/receive with RDMA
     */
    RDMA_SEND_RECEIVE,

    /**
     * Dynamic memory registration
     */
    MEMORY_REGISTRATION,

    /**
     * Fast memory region registration
     */
    FAST_REGISTRATION

        this.heartbeatInterval = 0;
    }

    /**
     * Creates a new WitnessHeartbeat RPC message with the specified parameters.
     *
     * @param contextHandle the context handle from registration
     * @param sequenceNumber the sequence number for this heartbeat
     */
    public WitnessHeartbeatMessage(byte[] contextHandle, long sequenceNumber) {
        super(WITNESS_HEARTBEAT);

├── WitnessRegistration.java     - Client registration with witness
├── WitnessNotification.java     - Notification handling
├── ResourceChange.java          - Resource change events
└── WitnessTransport.java       - Witness-specific RPC transport
```

#### 6.2 Implementation Tasks
- [ ] Implement Witness RPC protocol
- [ ] Create witness service discovery
- [ ] Implement client registration
- [ ] Add notification callback mechanism

 * memory regions for high-performance RDMA operations.
 *
 * Note: This is a skeleton implementation. A real implementation would
 * require proper DiSNI integration with actual memory registration.
 */
public class DisniMemoryRegion extends RdmaMemoryRegion {

    private static final Logger log = LoggerFactory.getLogger(DisniMemoryRegion.class);

    }

    @Test
    @DisplayName("Test resource unregistration")
    void testResourceUnregistration() {
        TestResource resource = new TestResource("test5");
        String resourceId = resourceManager.registerResource(resource);

        resourceManager.unregisterResource(resourceId);

        // After unregistration, the resource should be removed from active tracking