Add remove op policy option

Update the UI and backend code to be able to remove op policy for loop
instances.

Issue-ID: CLAMP-648
Change-Id: Ib3eab4977fe4f1b85e11f2373263197009bbc3e1
Signed-off-by: xuegao <xg353y@intl.att.com>

4 files changed, 78 insertions, 1 deletions

diff --git a/src/main/java/org/onap/clamp/loop/Loop.java b/src/main/java/org/onap/clamp/loop/Loop.java
index f185460cf..2bf3decd6 100644
--- a/src/main/java/org/onap/clamp/loop/Loop.java
+++ b/src/main/java/org/onap/clamp/loop/Loop.java
@@ -271,6 +271,17 @@ public class Loop extends AuditEntity implements Serializable {
     }
 
     /**
+     * This method removes an operational policy to the loop.
+     * It re-computes the Svg as well.
+     *
+     * @param opPolicy the operationalPolicy to add
+     */
+    public void removeOperationalPolicy(OperationalPolicy opPolicy) {
+        operationalPolicies.remove(opPolicy);
+        this.setSvgRepresentation(SvgLoopGenerator.getSvgImage(this));
+    }
+
+    /**
      * This method adds an micro service policy to the loop.
      * It re-computes the Svg as well.
      *
diff --git a/src/main/java/org/onap/clamp/loop/LoopController.java b/src/main/java/org/onap/clamp/loop/LoopController.java
index 1a67455e8..1a4ae5997 100644
--- a/src/main/java/org/onap/clamp/loop/LoopController.java
+++ b/src/main/java/org/onap/clamp/loop/LoopController.java
@@ -110,6 +110,18 @@ public class LoopController {
     }
 
     /**
+     * This method remove an operational policy to a loop instance.
+     *
+     * @param loopName      The loop name
+     * @param policyType    The policy model type
+     * @param policyVersion The policy model  version
+     * @return The loop modified
+     */
+    public Loop removeOperationalPolicy(String loopName, String policyType, String policyVersion) {
+        return loopService.removeOperationalPolicy(loopName, policyType, policyVersion);
+    }
+
+    /**
      * This method deletes the loop.
      *
      * @param loopName The loop Name
diff --git a/src/main/java/org/onap/clamp/loop/LoopService.java b/src/main/java/org/onap/clamp/loop/LoopService.java
index 98a2fbddc..953a59471 100644
--- a/src/main/java/org/onap/clamp/loop/LoopService.java
+++ b/src/main/java/org/onap/clamp/loop/LoopService.java
@@ -120,7 +120,31 @@ public class LoopService {
                 new OperationalPolicy(Policy.generatePolicyName("OPERATIONAL", loop.getModelService().getName(),
                         loop.getModelService().getVersion(), RandomStringUtils.randomAlphanumeric(3),
                         RandomStringUtils.randomAlphanumeric(4)), loop, null, policyModel, null, null, null));
-        return loopsRepository.save(loop);
+        return loopsRepository.saveAndFlush(loop);
+    }
+
+    /**
+     * This method remove an operational policy to a loop instance.
+     *
+     * @param loopName The loop name
+     * @param policyType The policy model type
+     * @param policyVersion The policy model  version
+     * @return The loop modified
+     */
+    Loop removeOperationalPolicy(String loopName, String policyType, String policyVersion) {
+        Loop loop = getLoop(loopName);
+        PolicyModel policyModel = policyModelsService.getPolicyModel(policyType, policyVersion);
+        if (policyModel == null) {
+            return null;
+        }
+        for (OperationalPolicy opPolicy : loop.getOperationalPolicies()) {
+            if (opPolicy.getPolicyModel().getPolicyModelType().equals(policyType) &&
+                    opPolicy.getPolicyModel().getVersion().equals(policyVersion)) {
+                loop.removeOperationalPolicy(opPolicy);
+                break;
+            }
+        }
+        return loopsRepository.saveAndFlush(loop);
     }
 
     Loop updateAndSaveOperationalPolicies(String loopName, List<OperationalPolicy> newOperationalPolicies) {
diff --git a/src/main/resources/clds/camel/rest/clamp-api-v2.xml b/src/main/resources/clds/camel/rest/clamp-api-v2.xml
index fbf90712a..d1c191dc7 100644
--- a/src/main/resources/clds/camel/rest/clamp-api-v2.xml
+++ b/src/main/resources/clds/camel/rest/clamp-api-v2.xml
@@ -604,6 +604,36 @@
 				</doTry>
 			</route>
 		</put>
+		<put uri="/v2/loop/removeOperationaPolicy/{loopName}/policyModel/{policyType}/{policyVersion}" outType="org.onap.clamp.loop.Loop" produces="application/json">
+			<route>
+				<removeHeaders pattern="*" excludePattern="loopName|policyType|policyVersion" />
+				<doTry>
+					<to
+							uri="bean:org.onap.clamp.flow.log.FlowLogOperation?method=startLog(*, 'REMOVE operational Policy')" />
+					<to
+							uri="bean:org.onap.clamp.authorization.AuthorizationController?method=authorize(*,'cl','','update')" />
+					<to uri="direct:load-loop" />
+					<to
+							uri="bean:org.onap.clamp.loop.LoopController?method=removeOperationalPolicy(${header.loopName},${header.policyType},${header.policyVersion})" />
+					<to
+							uri="bean:org.onap.clamp.loop.log.LoopLogService?method=addLog('REMOVE OperationalPolicy request successfully executed','INFO',${exchangeProperty[loopObject]})" />
+					<to
+							uri="bean:org.onap.clamp.flow.log.FlowLogOperation?method=endLog()" />
+					<doCatch>
+						<exception>java.lang.Exception</exception>
+						<handled>
+							<constant>false</constant>
+						</handled>
+						<to
+								uri="bean:org.onap.clamp.flow.log.FlowLogOperation?method=errorLog()" />
+						<log loggingLevel="ERROR"
+							 message="REMOVE OperationalPolicy request failed for loop: ${header.loopName}" />
+						<to
+								uri="bean:org.onap.clamp.loop.log.LoopLogService?method=addLog('REMOVE OperationalPolicy request failed','ERROR',${exchangeProperty[loopObject]})" />
+					</doCatch>
+				</doTry>
+			</route>
+		</put>
 		<post
 				uri="/v2/loop/create/{loopName}?templateName={templateName}"
 				outType="org.onap.clamp.loop.Loop" consumes="application/json"