Added @FunctionalInterface annotation where needed

Change-Id: Ica7171f6314f10ff51979c2bdd07e293ded695e4
Issue-ID: APPC-644
Signed-off-by: Jakub Dudycz <jakub.dudycz@nokia.com>

6 files changed, 6 insertions, 2 deletions

diff --git a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/DgResolverPlugin.java b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/DgResolverPlugin.java
index b0ee4a5c9..397e3de3d 100644
--- a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/DgResolverPlugin.java
+++ b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/DgResolverPlugin.java
@@ -30,6 +30,7 @@ import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
 
 import java.util.Map;
 
+@FunctionalInterface
 public interface DgResolverPlugin extends SvcLogicJavaPlugin {
     void resolveDg(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
 }
diff --git a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/IntermediateMessageSender.java b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/IntermediateMessageSender.java
index 3e03c2ff7..dcb516453 100644
--- a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/IntermediateMessageSender.java
+++ b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/IntermediateMessageSender.java
@@ -32,6 +32,7 @@ import java.util.Map;
 /**
  * This interface provides api for sending intermediate messages from DG to initiator
  */
+@FunctionalInterface
 public interface IntermediateMessageSender extends SvcLogicJavaPlugin{
 
     /**
diff --git a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/OutputMessagePlugin.java b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/OutputMessagePlugin.java
index 935aa877d..f0ba0c57e 100644
--- a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/OutputMessagePlugin.java
+++ b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/OutputMessagePlugin.java
@@ -31,8 +31,8 @@ import java.util.Map;
 
 import org.onap.appc.exceptions.APPCException;
 
+@FunctionalInterface
 public interface OutputMessagePlugin extends SvcLogicJavaPlugin {
 
       void outputMessageBuilder(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
-
 }
diff --git a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VNFCDgResolverPlugin.java b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VNFCDgResolverPlugin.java
index 06036c225..6352fccf1 100644
--- a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VNFCDgResolverPlugin.java
+++ b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VNFCDgResolverPlugin.java
@@ -31,7 +31,7 @@ import java.util.Map;
 
 import org.onap.appc.exceptions.APPCException;
 
-
+@FunctionalInterface
 public interface VNFCDgResolverPlugin extends SvcLogicJavaPlugin {
     void resolveVNFCDg(Map<String, String> params, SvcLogicContext ctx) throws APPCException;
 }
diff --git a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VNFConfigurator.java b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VNFConfigurator.java
index 4ce0a9150..65e2324f8 100644
--- a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VNFConfigurator.java
+++ b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VNFConfigurator.java
@@ -32,6 +32,7 @@ import java.util.Map;
 /**
  * DG plugin created for VNF configuration operation to store data in MD-SAL store
  **/
+@FunctionalInterface
 public interface VNFConfigurator extends SvcLogicJavaPlugin{
     /**
      * it is invoked from the DG, and it performs following operations
diff --git a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VnfExecutionFlow.java b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VnfExecutionFlow.java
index b25eaf10f..8c28e4412 100644
--- a/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VnfExecutionFlow.java
+++ b/appc-dg/appc-dg-shared/appc-dg-common/src/main/java/org/onap/appc/dg/common/VnfExecutionFlow.java
@@ -29,6 +29,7 @@ import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
 
 import java.util.Map;
 
+@FunctionalInterface
 public interface VnfExecutionFlow extends SvcLogicJavaPlugin {
     void getVnfExecutionFlowData(Map<String,String> params, SvcLogicContext context);
 }