refactor to use DomainProcessorDelegate

Author: russgold

operator/src/main/java/oracle/kubernetes/operator/DomainProcessorDelegate.java

@@ -0,0 +1,28 @@
+// Copyright 2019, Oracle Corporation and/or its affiliates.  All rights reserved.
+// Licensed under the Universal Permissive License v 1.0 as shown at
+// http://oss.oracle.com/licenses/upl.
+
+package oracle.kubernetes.operator;
+
+import java.util.concurrent.ScheduledExecutorService;
+import oracle.kubernetes.operator.helpers.KubernetesVersion;
+import oracle.kubernetes.operator.work.FiberGate;
+import oracle.kubernetes.operator.work.Step;
+
+public interface DomainProcessorDelegate {
+  String getOperatorNamespace();
+
+  PodAwaiterStepFactory getPodAwaiterStepFactory(String namespace);
+
+  boolean isNamespaceRunning(String namespace);
+
+  String getPrincipal();
+
+  KubernetesVersion getVersion();
+
+  FiberGate createFiberGate();
+
+  void runSteps(Step firstStep);
+
+  ScheduledExecutorService getExecutor();
+}