feat: make CR Namespaced

Author: metacosm

samples/common/src/main/java/io/javaoperatorsdk/operator/sample/CustomService.java

@@ -1,9 +1,10 @@
 package io.javaoperatorsdk.operator.sample;
 
+import io.fabric8.kubernetes.api.model.Namespaced;
 import io.fabric8.kubernetes.client.CustomResource;
 import io.fabric8.kubernetes.model.annotation.Group;
 import io.fabric8.kubernetes.model.annotation.Version;
 
 @Group("sample.javaoperatorsdk")
 @Version("v1")
-public class CustomService extends CustomResource<ServiceSpec, Void> {}
+public class CustomService extends CustomResource<ServiceSpec, Void> implements Namespaced {}

samples/mysql-schema/src/main/java/io/javaoperatorsdk/operator/sample/Schema.java

@@ -1,9 +1,10 @@
 package io.javaoperatorsdk.operator.sample;
 
+import io.fabric8.kubernetes.api.model.Namespaced;
 import io.fabric8.kubernetes.client.CustomResource;
 import io.fabric8.kubernetes.model.annotation.Group;
 import io.fabric8.kubernetes.model.annotation.Version;
 
 @Group("mysql.sample.javaoperatorsdk")
 @Version("v1")
-public class Schema extends CustomResource<SchemaSpec, SchemaStatus> {}
+public class Schema extends CustomResource<SchemaSpec, SchemaStatus> implements Namespaced {}

samples/tomcat/src/main/java/io/javaoperatorsdk/operator/sample/Tomcat.java

@@ -1,9 +1,10 @@
 package io.javaoperatorsdk.operator.sample;
 
+import io.fabric8.kubernetes.api.model.Namespaced;
 import io.fabric8.kubernetes.client.CustomResource;
 import io.fabric8.kubernetes.model.annotation.Group;
 import io.fabric8.kubernetes.model.annotation.Version;
 
 @Group("tomcatoperator.io")
 @Version("v1")
-public class Tomcat extends CustomResource<TomcatSpec, TomcatStatus> {}
+public class Tomcat extends CustomResource<TomcatSpec, TomcatStatus> implements Namespaced {}

samples/webserver/src/main/java/io/javaoperatorsdk/operator/sample/WebServer.java

@@ -1,9 +1,11 @@
 package io.javaoperatorsdk.operator.sample;
 
+import io.fabric8.kubernetes.api.model.Namespaced;
 import io.fabric8.kubernetes.client.CustomResource;
 import io.fabric8.kubernetes.model.annotation.Group;
 import io.fabric8.kubernetes.model.annotation.Version;
 
 @Group("sample.javaoperatorsdk")
 @Version("v1")
-public class WebServer extends CustomResource<WebServerSpec, WebServerStatus> {}
+public class WebServer extends CustomResource<WebServerSpec, WebServerStatus> implements
+    Namespaced {}