[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
index a72c082..33ffdb6 100644
--- a/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
+++ b/providers/openflow/flow/src/main/java/org/onosproject/provider/of/flow/impl/OpenFlowRuleProvider.java
@@ -26,13 +26,12 @@
 
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
-import org.apache.felix.scr.annotations.Activate;
-import org.apache.felix.scr.annotations.Component;
-import org.apache.felix.scr.annotations.Deactivate;
-import org.apache.felix.scr.annotations.Modified;
-import org.apache.felix.scr.annotations.Property;
-import org.apache.felix.scr.annotations.Reference;
-import org.apache.felix.scr.annotations.ReferenceCardinality;
+import org.osgi.service.component.annotations.Activate;
+import org.osgi.service.component.annotations.Component;
+import org.osgi.service.component.annotations.Deactivate;
+import org.osgi.service.component.annotations.Modified;
+import org.osgi.service.component.annotations.Reference;
+import org.osgi.service.component.annotations.ReferenceCardinality;
 import org.onosproject.cfg.ComponentConfigService;
 import org.onosproject.core.ApplicationId;
 import org.onosproject.net.DeviceId;
@@ -115,16 +114,16 @@
 
     private final Logger log = getLogger(getClass());
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected FlowRuleProviderRegistry providerRegistry;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected OpenFlowController controller;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected ComponentConfigService cfgService;
 
-    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+    @Reference(cardinality = ReferenceCardinality.MANDATORY)
     protected DriverService driverService;
 
     private static final int DEFAULT_POLL_FREQUENCY = 5;
@@ -132,12 +131,12 @@
     private static final int SKIP_BYTES = 4;
     private static final boolean DEFAULT_ADAPTIVE_FLOW_SAMPLING = false;
 
-    @Property(name = "flowPollFrequency", intValue = DEFAULT_POLL_FREQUENCY,
-            label = "Frequency (in seconds) for polling flow statistics")
+    //@Property(name = "flowPollFrequency", intValue = DEFAULT_POLL_FREQUENCY,
+    //        label = "Frequency (in seconds) for polling flow statistics")
     private int flowPollFrequency = DEFAULT_POLL_FREQUENCY;
 
-    @Property(name = "adaptiveFlowSampling", boolValue = DEFAULT_ADAPTIVE_FLOW_SAMPLING,
-            label = "Adaptive Flow Sampling is on or off")
+    //@Property(name = "adaptiveFlowSampling", boolValue = DEFAULT_ADAPTIVE_FLOW_SAMPLING,
+    //        label = "Adaptive Flow Sampling is on or off")
     private boolean adaptiveFlowSampling = DEFAULT_ADAPTIVE_FLOW_SAMPLING;
 
     private FlowRuleProviderService providerService;