Revert "Merge pull request #22068 from vespa-engine/jonmv/unify-hostname-classes"

This reverts commit 8aa4c83df5ce7843c040afa41706fcc7c3afd030, reversing
changes made to f95ad44fae879da9db19f73eabe62c53baeb0c36.

11 files changed, 22 insertions, 20 deletions

diff --git a/service-monitor/src/main/java/com/yahoo/vespa/service/duper/DuperModel.java b/service-monitor/src/main/java/com/yahoo/vespa/service/duper/DuperModel.java
index 3a9c2b1f1e7..a5f124540e7 100644
--- a/service-monitor/src/main/java/com/yahoo/vespa/service/duper/DuperModel.java
+++ b/service-monitor/src/main/java/com/yahoo/vespa/service/duper/DuperModel.java
@@ -121,7 +121,7 @@ public class DuperModel {
 
         applicationInfo.getModel().getHosts().stream()
                 .map(HostInfo::getHostname)
-                .map(HostName::of)
+                .map(HostName::from)
                 .forEach(hostname -> {
                     if (!removedHosts.remove(hostname)) {
                         // hostname has been added
diff --git a/service-monitor/src/main/java/com/yahoo/vespa/service/health/StateV1HealthModel.java b/service-monitor/src/main/java/com/yahoo/vespa/service/health/StateV1HealthModel.java
index 3391bbcf82a..2712b510040 100644
--- a/service-monitor/src/main/java/com/yahoo/vespa/service/health/StateV1HealthModel.java
+++ b/service-monitor/src/main/java/com/yahoo/vespa/service/health/StateV1HealthModel.java
@@ -45,7 +45,7 @@ public class StateV1HealthModel implements AutoCloseable {
         Map<ServiceId, HealthEndpoint> endpoints = new HashMap<>();
 
         for (HostInfo hostInfo : application.getModel().getHosts()) {
-            HostName hostname = HostName.of(hostInfo.getHostname());
+            HostName hostname = HostName.from(hostInfo.getHostname());
             for (ServiceInfo serviceInfo : hostInfo.getServices()) {
                 ServiceId serviceId = ApplicationInstanceGenerator.getServiceId(application, serviceInfo);
                 for (PortInfo portInfo : serviceInfo.getPorts()) {
diff --git a/service-monitor/src/main/java/com/yahoo/vespa/service/model/ServiceMonitorImpl.java b/service-monitor/src/main/java/com/yahoo/vespa/service/model/ServiceMonitorImpl.java
index bc0db1500b8..6e3f407bb9c 100644
--- a/service-monitor/src/main/java/com/yahoo/vespa/service/model/ServiceMonitorImpl.java
+++ b/service-monitor/src/main/java/com/yahoo/vespa/service/model/ServiceMonitorImpl.java
@@ -118,6 +118,6 @@ public class ServiceMonitorImpl implements ServiceMonitor, AntiServiceMonitor {
 
     /** The duper model uses HostName from config.provision. */
     private static com.yahoo.config.provision.HostName toConfigProvisionHostName(HostName hostname) {
-        return com.yahoo.config.provision.HostName.of(hostname.s());
+        return com.yahoo.config.provision.HostName.from(hostname.s());
     }
 }
diff --git a/service-monitor/src/test/java/com/yahoo/vespa/service/duper/DuperModelManagerTest.java b/service-monitor/src/test/java/com/yahoo/vespa/service/duper/DuperModelManagerTest.java
index d02cad1c068..a3af44ec911 100644
--- a/service-monitor/src/test/java/com/yahoo/vespa/service/duper/DuperModelManagerTest.java
+++ b/service-monitor/src/test/java/com/yahoo/vespa/service/duper/DuperModelManagerTest.java
@@ -7,6 +7,8 @@ import com.yahoo.config.model.api.SuperModelListener;
 import com.yahoo.config.model.api.SuperModelProvider;
 import com.yahoo.config.provision.ApplicationId;
 import com.yahoo.config.provision.HostName;
+import com.yahoo.config.provision.SystemName;
+import com.yahoo.vespa.flags.InMemoryFlagSource;
 import org.junit.Test;
 import org.mockito.ArgumentCaptor;
 
@@ -64,7 +66,7 @@ public class DuperModelManagerTest {
         makeManager(false);
 
         ApplicationId id = proxyHostApplication.getApplicationId();
-        List<HostName> proxyHostHosts = Stream.of("proxyhost1", "proxyhost2").map(HostName::of).collect(Collectors.toList());
+        List<HostName> proxyHostHosts = Stream.of("proxyhost1", "proxyhost2").map(HostName::from).collect(Collectors.toList());
         verify(duperModel, times(0)).add(any());
         manager.infraApplicationActivated(id, proxyHostHosts);
         verify(duperModel, times(1)).add(any());
@@ -91,12 +93,12 @@ public class DuperModelManagerTest {
     }
 
     private void testEnabledConfigServerLikeInfraApplication(ApplicationId firstId, ApplicationId secondId) {
-        List<HostName> hostnames1 = Stream.of("node11", "node12").map(HostName::of).collect(Collectors.toList());
+        List<HostName> hostnames1 = Stream.of("node11", "node12").map(HostName::from).collect(Collectors.toList());
         manager.infraApplicationActivated(firstId, hostnames1);
         verify(duperModel, times(1)).add(any());
 
         // Adding the second config server like application will be ignored
-        List<HostName> hostnames2 = Stream.of("node21", "node22").map(HostName::of).collect(Collectors.toList());
+        List<HostName> hostnames2 = Stream.of("node21", "node22").map(HostName::from).collect(Collectors.toList());
         assertThrows(IllegalArgumentException.class, () -> manager.infraApplicationActivated(secondId, hostnames2));
         verify(duperModel, times(1)).add(any());
 
diff --git a/service-monitor/src/test/java/com/yahoo/vespa/service/duper/DuperModelTest.java b/service-monitor/src/test/java/com/yahoo/vespa/service/duper/DuperModelTest.java
index 69d3ef4d498..3fa9baa5d60 100644
--- a/service-monitor/src/test/java/com/yahoo/vespa/service/duper/DuperModelTest.java
+++ b/service-monitor/src/test/java/com/yahoo/vespa/service/duper/DuperModelTest.java
@@ -34,12 +34,12 @@ public class DuperModelTest {
 
     private final ApplicationId id1 = ApplicationId.fromSerializedForm("tenant:app1:default");
     private final ApplicationInfo application1 = mock(ApplicationInfo.class);
-    private final HostName hostname1_1 = HostName.of("hostname1-1");
-    private final HostName hostname1_2 = HostName.of("hostname1-2");
+    private final HostName hostname1_1 = HostName.from("hostname1-1");
+    private final HostName hostname1_2 = HostName.from("hostname1-2");
 
     private final ApplicationId id2 = ApplicationId.fromSerializedForm("tenant:app2:default");
     private final ApplicationInfo application2 = mock(ApplicationInfo.class);
-    private final HostName hostname2_1 = HostName.of("hostname2-1");
+    private final HostName hostname2_1 = HostName.from("hostname2-1");
 
     private final DuperModelListener listener1 = mock(DuperModelListener.class);
 
@@ -129,7 +129,7 @@ public class DuperModelTest {
         addAndVerifyApplication1("host1");
         addAndVerifyApplication1("host1", "host2");
         addAndVerifyApplication1("host2", "host3");
-        assertEquals(Optional.empty(), duperModel.getApplicationId(HostName.of("host1")));
+        assertEquals(Optional.empty(), duperModel.getApplicationId(HostName.from("host1")));
 
         duperModel.remove(id1);
         assertEquals(0, duperModel.numberOfApplications());
@@ -138,7 +138,7 @@ public class DuperModelTest {
     }
 
     private void addAndVerifyApplication1(String... hostnameStrings) {
-        HostName[] hostnameArray = Stream.of(hostnameStrings).map(HostName::of).toArray(HostName[]::new);
+        HostName[] hostnameArray = Stream.of(hostnameStrings).map(HostName::from).toArray(HostName[]::new);
         setUpApplication(id1, application1, hostnameArray);
         duperModel.add(application1);
 
diff --git a/service-monitor/src/test/java/com/yahoo/vespa/service/health/ApplicationHealthMonitorTest.java b/service-monitor/src/test/java/com/yahoo/vespa/service/health/ApplicationHealthMonitorTest.java
index d99e882985f..569ad899331 100644
--- a/service-monitor/src/test/java/com/yahoo/vespa/service/health/ApplicationHealthMonitorTest.java
+++ b/service-monitor/src/test/java/com/yahoo/vespa/service/health/ApplicationHealthMonitorTest.java
@@ -87,7 +87,7 @@ public class ApplicationHealthMonitorTest {
         return new ServiceId(configServerApplication.getApplicationId(),
                 configServerApplication.getClusterId(),
                 configServerApplication.getServiceType(),
-                configServerApplication.configIdFor(HostName.of(hostname)));
+                configServerApplication.configIdFor(HostName.from(hostname)));
     }
 
     private ServiceStatus getStatus(ApplicationHealthMonitor monitor, String hostname) {
@@ -95,7 +95,7 @@ public class ApplicationHealthMonitorTest {
                 configServerApplication.getApplicationId(),
                 configServerApplication.getClusterId(),
                 configServerApplication.getServiceType(),
-                configServerApplication.configIdFor(HostName.of(hostname)))
+                configServerApplication.configIdFor(HostName.from(hostname)))
                 .serviceStatus();
     }
 }
\ No newline at end of file
diff --git a/service-monitor/src/test/java/com/yahoo/vespa/service/health/HealthMonitorManagerTest.java b/service-monitor/src/test/java/com/yahoo/vespa/service/health/HealthMonitorManagerTest.java
index c77ff519abd..d191d914bd0 100644
--- a/service-monitor/src/test/java/com/yahoo/vespa/service/health/HealthMonitorManagerTest.java
+++ b/service-monitor/src/test/java/com/yahoo/vespa/service/health/HealthMonitorManagerTest.java
@@ -48,7 +48,7 @@ public class HealthMonitorManagerTest {
     public void infrastructureApplication() {
         ProxyHostApplication proxyHostApplication = new ProxyHostApplication();
         when(duperModel.isSupportedInfraApplication(proxyHostApplication.getApplicationId())).thenReturn(true);
-        List<HostName> hostnames = Stream.of("proxyhost1", "proxyhost2").map(HostName::of).collect(Collectors.toList());
+        List<HostName> hostnames = Stream.of("proxyhost1", "proxyhost2").map(HostName::from).collect(Collectors.toList());
         ApplicationInfo proxyHostApplicationInfo = proxyHostApplication.makeApplicationInfo(hostnames);
 
         manager.applicationActivated(proxyHostApplicationInfo);
@@ -77,7 +77,7 @@ public class HealthMonitorManagerTest {
                 infraApplication.getApplicationId(),
                 infraApplication.getClusterId(),
                 infraApplication.getServiceType(),
-                infraApplication.configIdFor(HostName.of(hostname))).serviceStatus();
+                infraApplication.configIdFor(HostName.from(hostname))).serviceStatus();
 
         assertEquals(expected, actual);
 
@@ -85,7 +85,7 @@ public class HealthMonitorManagerTest {
                 infraApplication.getApplicationId(),
                 infraApplication.getClusterId(),
                 infraApplication.getServiceType(),
-                infraApplication.configIdFor(HostName.of(hostname)));
+                infraApplication.configIdFor(HostName.from(hostname)));
 
     }
 }
\ No newline at end of file
diff --git a/service-monitor/src/test/java/com/yahoo/vespa/service/health/StateV1HealthModelTest.java b/service-monitor/src/test/java/com/yahoo/vespa/service/health/StateV1HealthModelTest.java
index 8ae0e55fe41..4fdf6288bd8 100644
--- a/service-monitor/src/test/java/com/yahoo/vespa/service/health/StateV1HealthModelTest.java
+++ b/service-monitor/src/test/java/com/yahoo/vespa/service/health/StateV1HealthModelTest.java
@@ -38,7 +38,7 @@ public class StateV1HealthModelTest {
     private final Duration requestTimeout = Duration.ofSeconds(2);
     private final Duration keepAlive = Duration.ofSeconds(3);
     private final ProxyHostApplication proxyHostApplication = new ProxyHostApplication();
-    private final List<HostName> hostnames = Stream.of("host1", "host2").map(HostName::of).collect(Collectors.toList());
+    private final List<HostName> hostnames = Stream.of("host1", "host2").map(HostName::from).collect(Collectors.toList());
     private final ApplicationInfo proxyHostApplicationInfo = proxyHostApplication.makeApplicationInfo(hostnames);
 
     private final StateV1HealthModel model = new StateV1HealthModel(healthStaleness, requestTimeout, keepAlive, executor);
diff --git a/service-monitor/src/test/java/com/yahoo/vespa/service/model/ApplicationInstanceGeneratorTest.java b/service-monitor/src/test/java/com/yahoo/vespa/service/model/ApplicationInstanceGeneratorTest.java
index 8f87a7bad68..8ca46941366 100644
--- a/service-monitor/src/test/java/com/yahoo/vespa/service/model/ApplicationInstanceGeneratorTest.java
+++ b/service-monitor/src/test/java/com/yahoo/vespa/service/model/ApplicationInstanceGeneratorTest.java
@@ -34,7 +34,7 @@ public class ApplicationInstanceGeneratorTest {
         when(statusProvider.getStatus(any(), any(), any(), any())).thenReturn(new ServiceStatusInfo(ServiceStatus.NOT_CHECKED));
         Zone zone = mock(Zone.class);
         ApplicationInfo configServer = configServerApplication.makeApplicationInfo(
-                configServerList.stream().map(HostName::of).collect(Collectors.toList()));
+                configServerList.stream().map(HostName::from).collect(Collectors.toList()));
         ApplicationInstance applicationInstance = new ApplicationInstanceGenerator(configServer, zone)
                 .makeApplicationInstance(statusProvider);
 
diff --git a/service-monitor/src/test/java/com/yahoo/vespa/service/model/ServiceHostListenerAdapterTest.java b/service-monitor/src/test/java/com/yahoo/vespa/service/model/ServiceHostListenerAdapterTest.java
index 97b6ff0c3e2..cfc24ecbaec 100644
--- a/service-monitor/src/test/java/com/yahoo/vespa/service/model/ServiceHostListenerAdapterTest.java
+++ b/service-monitor/src/test/java/com/yahoo/vespa/service/model/ServiceHostListenerAdapterTest.java
@@ -100,7 +100,7 @@ public class ServiceHostListenerAdapterTest {
     }
 
     private Optional<ApplicationInfo> getDuperModelApplicationInfo(String hostname) {
-        return duperModel.getApplicationInfo(com.yahoo.config.provision.HostName.of(hostname));
+        return duperModel.getApplicationInfo(com.yahoo.config.provision.HostName.from(hostname));
     }
 
     private void removeAndVerify(ApplicationId id, boolean listenerInvoked) {
diff --git a/service-monitor/src/test/java/com/yahoo/vespa/service/monitor/ConfigserverUtil.java b/service-monitor/src/test/java/com/yahoo/vespa/service/monitor/ConfigserverUtil.java
index df489a8c336..40cc679b69b 100644
--- a/service-monitor/src/test/java/com/yahoo/vespa/service/monitor/ConfigserverUtil.java
+++ b/service-monitor/src/test/java/com/yahoo/vespa/service/monitor/ConfigserverUtil.java
@@ -37,7 +37,7 @@ public class ConfigserverUtil {
             String configServerHostname3) {
         return new ConfigServerApplication().makeApplicationInfo(
                 Stream.of(configServerHostname1, configServerHostname2, configServerHostname3)
-                      .map(HostName::of).collect(Collectors.toList()));
+                        .map(HostName::from).collect(Collectors.toList()));
     }
 
     public static ApplicationInfo makeExampleConfigServer() {