Undeploy policies when deploy fails

Modified the code so that if a PDP fails to deploy one or more policies
specified in a PDP-UPDATE message, PAP will undeploy those policies that
failed to deploy to the PDP.  This entails removing the policies from
the Pdp Group(s), issuing new PDP-UPDATE requests, and updating the
notification tracking data.

Issue-ID: POLICY-2155
Change-Id: I1740282385b0fa804254ebdf57537ef0f3a7a4c8
Signed-off-by: Jim Hahn <jrh3@att.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/main/src/main/java/org/onap/policy/pap/main/startstop/PapActivator.java b/main/src/main/java/org/onap/policy/pap/main/startstop/PapActivator.java
index 1fc9784e..8af66362 100644
--- a/main/src/main/java/org/onap/policy/pap/main/startstop/PapActivator.java
+++ b/main/src/main/java/org/onap/policy/pap/main/startstop/PapActivator.java
@@ -57,6 +57,7 @@ import org.onap.policy.pap.main.rest.PolicyStatusControllerV1;
 import org.onap.policy.pap.main.rest.StatisticsRestControllerV1;
 import org.onap.policy.pap.main.rest.depundep.PdpGroupDeleteControllerV1;
 import org.onap.policy.pap.main.rest.depundep.PdpGroupDeployControllerV1;
+import org.onap.policy.pap.main.rest.depundep.PolicyUndeployerImpl;
 
 /**
  * This class activates Policy Administration (PAP) as a complete service together with all its controllers, listeners &
@@ -218,6 +219,9 @@ public class PapActivator extends ServiceManagerContainer {
                                     .setStateChangeTimers(pdpStChgTimers.get())
                                     .setUpdateTimers(pdpUpdTimers.get())));
                 Registry.register(PapConstants.REG_PDP_MODIFY_MAP, requestMap.get());
+
+                // now that it's registered, we can attach a "policy undeploy" provider
+                requestMap.get().setPolicyUndeployer(new PolicyUndeployerImpl());
             },
             () -> Registry.unregister(PapConstants.REG_PDP_MODIFY_MAP));