ONOS-1048 - Define interfaces instead of using IntentManager

- Define IntentProcessor interface containing methods to process an intent
- Pull out IntentCompiler related tasks to CompilerRegistry
- Pull out IntentInstaller related tasks to InstallerRegistry
- Create an IntentProcessor subclass as inner class in IntentManager

Change-Id: Ia3e8d574a1053e7ddc9b961873ef758c9e0b1b26
diff --git a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/InstallRequest.java b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/InstallRequest.java
index e54b10a..90e0fd2 100644
--- a/core/net/src/main/java/org/onosproject/net/intent/impl/phase/InstallRequest.java
+++ b/core/net/src/main/java/org/onosproject/net/intent/impl/phase/InstallRequest.java
@@ -16,7 +16,7 @@
 package org.onosproject.net.intent.impl.phase;
 
 import org.onosproject.net.intent.IntentData;
-import org.onosproject.net.intent.impl.IntentManager;
+import org.onosproject.net.intent.impl.IntentProcessor;
 
 import java.util.Optional;
 
@@ -27,13 +27,12 @@
  */
 public final class InstallRequest implements IntentProcessPhase {
 
-    // TODO: define an interface and use it, instead of IntentManager
-    private final IntentManager intentManager;
+    private final IntentProcessor intentManager;
     private final IntentData pending;
     private final Optional<IntentData> current;
 
-    public InstallRequest(IntentManager intentManager, IntentData intentData, Optional<IntentData> current) {
-        this.intentManager = checkNotNull(intentManager);
+    public InstallRequest(IntentProcessor processor, IntentData intentData, Optional<IntentData> current) {
+        this.intentManager = checkNotNull(processor);
         this.pending = checkNotNull(intentData);
         this.current = checkNotNull(current);
     }