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authorramverma <ram.krishna.verma@est.tech>2019-04-09 21:39:55 +0000
committerramverma <ram.krishna.verma@est.tech>2019-04-09 21:39:55 +0000
commitc967bf7387a7586a13a2ae7d4f0e258e3f524a38 (patch)
treecbe0469f8a26873ee3eb7b35115f47925dace8aa /main/src
parent63d40cdd0f11bf195163facdc6233a89dd8e89e9 (diff)
Fix review comments & add updateLock
1) Fixing review comments from previous review. 2) Adding updateLock to registration handler & state change provider. Change-Id: I9f6e0de1f58190e490b28965c84a3a0c7aa90486 Issue-ID: POLICY-1443 Signed-off-by: ramverma <ram.krishna.verma@est.tech>
Diffstat (limited to 'main/src')
-rw-r--r--main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java59
-rw-r--r--main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java48
-rw-r--r--main/src/main/java/org/onap/policy/pap/main/rest/depundep/SessionData.java6
3 files changed, 74 insertions, 39 deletions
diff --git a/main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java b/main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java
index 3c871352..f02c8813 100644
--- a/main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java
+++ b/main/src/main/java/org/onap/policy/pap/main/comm/PdpStatusMessageHandler.java
@@ -30,7 +30,6 @@ import org.onap.policy.models.pdp.concepts.Pdp;
import org.onap.policy.models.pdp.concepts.PdpGroup;
import org.onap.policy.models.pdp.concepts.PdpGroupFilter;
import org.onap.policy.models.pdp.concepts.PdpStateChange;
-import org.onap.policy.models.pdp.concepts.PdpStatistics;
import org.onap.policy.models.pdp.concepts.PdpStatus;
import org.onap.policy.models.pdp.concepts.PdpSubGroup;
import org.onap.policy.models.pdp.concepts.PdpUpdate;
@@ -55,23 +54,47 @@ public class PdpStatusMessageHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(PdpStatusMessageHandler.class);
/**
+ * Lock used when updating PDPs.
+ */
+ private final Object updateLock;
+
+ /**
+ * Used to send UPDATE and STATE-CHANGE requests to the PDPs.
+ */
+ private final PdpModifyRequestMap requestMap;
+
+ /**
+ * Factory for PAP DAO.
+ */
+ PolicyModelsProviderFactoryWrapper modelProviderWrapper;
+
+ /**
+ * Constructs the object.
+ */
+ public PdpStatusMessageHandler() {
+ modelProviderWrapper = Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
+ updateLock = Registry.get(PapConstants.REG_PDP_MODIFY_LOCK, Object.class);
+ requestMap = Registry.get(PapConstants.REG_PDP_MODIFY_MAP, PdpModifyRequestMap.class);
+ }
+
+ /**
* Handles the PdpStatus message coming from various PDP's.
*
* @param message the PdpStatus message
*/
public void handlePdpStatus(final PdpStatus message) {
- final PolicyModelsProviderFactoryWrapper modelProviderWrapper =
- Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
- try (PolicyModelsProvider databaseProvider = modelProviderWrapper.create()) {
- if (message.getPdpGroup() == null && message.getPdpSubgroup() == null) {
- handlePdpRegistration(message, databaseProvider);
- } else {
- handlePdpHeartbeat(message, databaseProvider);
+ synchronized (updateLock) {
+ try (PolicyModelsProvider databaseProvider = modelProviderWrapper.create()) {
+ if (message.getPdpGroup() == null && message.getPdpSubgroup() == null) {
+ handlePdpRegistration(message, databaseProvider);
+ } else {
+ handlePdpHeartbeat(message, databaseProvider);
+ }
+ } catch (final PolicyPapException exp) {
+ LOGGER.error("Operation Failed", exp);
+ } catch (final Exception exp) {
+ LOGGER.error("Failed connecting to database provider", exp);
}
- } catch (final PolicyPapException exp) {
- LOGGER.error("Operation Failed", exp);
- } catch (final Exception exp) {
- LOGGER.error("Failed connecting to database provider", exp);
}
}
@@ -89,7 +112,8 @@ public class PdpStatusMessageHandler {
boolean pdpGroupFound = false;
Optional<PdpSubGroup> subGroup = null;
final PdpGroupFilter filter = PdpGroupFilter.builder().pdpType(message.getPdpType())
- .policyTypeList(message.getSupportedPolicyTypes()).matchPolicyTypesExactly(true).build();
+ .policyTypeList(message.getSupportedPolicyTypes()).matchPolicyTypesExactly(true)
+ .groupState(PdpState.ACTIVE).version(PdpGroupFilter.LATEST_VERSION).build();
final List<PdpGroup> pdpGroups = databaseProvider.getFilteredPdpGroups(filter);
for (final PdpGroup pdpGroup : pdpGroups) {
subGroup = findPdpSubGroup(message, pdpGroup);
@@ -130,7 +154,7 @@ public class PdpStatusMessageHandler {
Optional<Pdp> pdpInstance = null;
final PdpGroupFilter filter =
- PdpGroupFilter.builder().name(message.getPdpGroup()).version(PdpGroupFilter.LATEST_VERSION).build();
+ PdpGroupFilter.builder().name(message.getPdpGroup()).groupState(PdpState.ACTIVE).build();
final List<PdpGroup> pdpGroups = databaseProvider.getFilteredPdpGroups(filter);
if (!pdpGroups.isEmpty()) {
final PdpGroup pdpGroup = pdpGroups.get(0);
@@ -175,7 +199,7 @@ public class PdpStatusMessageHandler {
private void processPdpDetails(final PdpStatus message, final PdpSubGroup pdpSubGroup, final Pdp pdpInstance,
final PdpGroup pdpGroup, final PolicyModelsProvider databaseProvider) throws PfModelException {
if (PdpState.TERMINATED.equals(message.getState())) {
- processPdpTermination(message, pdpSubGroup, pdpInstance, pdpGroup, databaseProvider);
+ processPdpTermination(pdpSubGroup, pdpInstance, pdpGroup, databaseProvider);
} else if (validatePdpDetails(message, pdpGroup, pdpSubGroup, pdpInstance)) {
LOGGER.debug("PdpInstance details are correct. Saving current state in DB - {}", pdpInstance);
updatePdpHealthStatus(message, pdpSubGroup, pdpInstance, pdpGroup, databaseProvider);
@@ -186,8 +210,8 @@ public class PdpStatusMessageHandler {
}
}
- private void processPdpTermination(final PdpStatus message, final PdpSubGroup pdpSubGroup, final Pdp pdpInstance,
- final PdpGroup pdpGroup, final PolicyModelsProvider databaseProvider) throws PfModelException {
+ private void processPdpTermination(final PdpSubGroup pdpSubGroup, final Pdp pdpInstance, final PdpGroup pdpGroup,
+ final PolicyModelsProvider databaseProvider) throws PfModelException {
pdpSubGroup.getPdpInstances().remove(pdpInstance);
pdpSubGroup.setCurrentInstanceCount(pdpSubGroup.getCurrentInstanceCount() - 1);
databaseProvider.updatePdpSubGroup(pdpGroup.getName(), pdpGroup.getVersion(), pdpSubGroup);
@@ -220,7 +244,6 @@ public class PdpStatusMessageHandler {
createPdpUpdateMessage(pdpGroupName, subGroup, pdpInstanceId, databaseProvider);
final PdpStateChange pdpStateChangeMessage =
createPdpStateChangeMessage(pdpGroupName, subGroup, pdpInstanceId, pdpState);
- final PdpModifyRequestMap requestMap = Registry.get(PapConstants.REG_PDP_MODIFY_MAP, PdpModifyRequestMap.class);
requestMap.addRequest(pdpUpdatemessage, pdpStateChangeMessage);
LOGGER.debug("Sent PdpUpdate message - {}", pdpUpdatemessage);
LOGGER.debug("Sent PdpStateChange message - {}", pdpStateChangeMessage);
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
index f8032ee3..0ca5f76d 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/PdpGroupStateChangeProvider.java
@@ -54,6 +54,19 @@ public class PdpGroupStateChangeProvider {
private static final Logger LOGGER = LoggerFactory.getLogger(PdpGroupStateChangeProvider.class);
+ /**
+ * Lock used when updating PDPs.
+ */
+ private final Object updateLock;
+
+ /**
+ * Used to send UPDATE and STATE-CHANGE requests to the PDPs.
+ */
+ private final PdpModifyRequestMap requestMap;
+
+ /**
+ * Factory for PAP DAO.
+ */
PolicyModelsProviderFactoryWrapper modelProviderWrapper;
/**
@@ -61,6 +74,8 @@ public class PdpGroupStateChangeProvider {
*/
public PdpGroupStateChangeProvider() {
modelProviderWrapper = Registry.get(PapConstants.REG_PAP_DAO_FACTORY, PolicyModelsProviderFactoryWrapper.class);
+ updateLock = Registry.get(PapConstants.REG_PDP_MODIFY_LOCK, Object.class);
+ requestMap = Registry.get(PapConstants.REG_PDP_MODIFY_MAP, PdpModifyRequestMap.class);
}
/**
@@ -74,19 +89,20 @@ public class PdpGroupStateChangeProvider {
*/
public Pair<Response.Status, PdpGroupStateChangeResponse> changeGroupState(final String groupName,
final String groupVersion, final PdpState pdpGroupState) throws PfModelException {
-
- switch (pdpGroupState) {
- case ACTIVE:
- handleActiveState(groupName, groupVersion);
- break;
- case PASSIVE:
- handlePassiveState(groupName, groupVersion);
- break;
- default:
- throw new PfModelException(Response.Status.BAD_REQUEST,
- "Only ACTIVE or PASSIVE state changes are allowed");
+ synchronized (updateLock) {
+ switch (pdpGroupState) {
+ case ACTIVE:
+ handleActiveState(groupName, groupVersion);
+ break;
+ case PASSIVE:
+ handlePassiveState(groupName, groupVersion);
+ break;
+ default:
+ throw new PfModelException(Response.Status.BAD_REQUEST,
+ "Only ACTIVE or PASSIVE state changes are allowed");
+ }
+ return Pair.of(Response.Status.OK, new PdpGroupStateChangeResponse());
}
- return Pair.of(Response.Status.OK, new PdpGroupStateChangeResponse());
}
private void handleActiveState(final String groupName, final String groupVersion) throws PfModelException {
@@ -95,13 +111,13 @@ public class PdpGroupStateChangeProvider {
final List<PdpGroup> activePdpGroups = databaseProvider.getFilteredPdpGroups(filter);
final List<PdpGroup> pdpGroups = databaseProvider.getPdpGroups(groupName, groupVersion);
if (activePdpGroups.isEmpty() && !pdpGroups.isEmpty()) {
- sendPdpMessage(pdpGroups.get(0), PdpState.ACTIVE, databaseProvider);
updatePdpGroupAndPdp(databaseProvider, pdpGroups, PdpState.ACTIVE);
+ sendPdpMessage(pdpGroups.get(0), PdpState.ACTIVE, databaseProvider);
} else if (!pdpGroups.isEmpty() && !activePdpGroups.isEmpty()
&& !pdpGroups.get(0).getVersion().equals(activePdpGroups.get(0).getVersion())) {
- sendPdpMessage(pdpGroups.get(0), PdpState.ACTIVE, databaseProvider);
updatePdpGroupAndPdp(databaseProvider, pdpGroups, PdpState.ACTIVE);
updatePdpGroup(databaseProvider, activePdpGroups, PdpState.PASSIVE);
+ sendPdpMessage(pdpGroups.get(0), PdpState.ACTIVE, databaseProvider);
}
}
}
@@ -110,8 +126,8 @@ public class PdpGroupStateChangeProvider {
try (PolicyModelsProvider databaseProvider = modelProviderWrapper.create()) {
final List<PdpGroup> pdpGroups = databaseProvider.getPdpGroups(groupName, groupVersion);
if (!pdpGroups.isEmpty() && !PdpState.PASSIVE.equals(pdpGroups.get(0).getPdpGroupState())) {
- sendPdpMessage(pdpGroups.get(0), PdpState.PASSIVE, databaseProvider);
updatePdpGroupAndPdp(databaseProvider, pdpGroups, PdpState.PASSIVE);
+ sendPdpMessage(pdpGroups.get(0), PdpState.PASSIVE, databaseProvider);
}
}
}
@@ -146,8 +162,6 @@ public class PdpGroupStateChangeProvider {
createPdpUpdateMessage(pdpGroup.getName(), subGroup, pdp.getInstanceId(), databaseProvider);
final PdpStateChange pdpStateChangeMessage =
createPdpStateChangeMessage(pdpGroup.getName(), subGroup, pdp.getInstanceId(), pdpState);
- final PdpModifyRequestMap requestMap =
- Registry.get(PapConstants.REG_PDP_MODIFY_MAP, PdpModifyRequestMap.class);
requestMap.addRequest(pdpUpdatemessage, pdpStateChangeMessage);
LOGGER.debug("Sent PdpUpdate message - {}", pdpUpdatemessage);
LOGGER.debug("Sent PdpStateChange message - {}", pdpStateChangeMessage);
diff --git a/main/src/main/java/org/onap/policy/pap/main/rest/depundep/SessionData.java b/main/src/main/java/org/onap/policy/pap/main/rest/depundep/SessionData.java
index 0c83a1c2..5194e985 100644
--- a/main/src/main/java/org/onap/policy/pap/main/rest/depundep/SessionData.java
+++ b/main/src/main/java/org/onap/policy/pap/main/rest/depundep/SessionData.java
@@ -22,6 +22,7 @@ package org.onap.policy.pap.main.rest.depundep;
import java.util.ArrayList;
import java.util.Collection;
+import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -226,10 +227,7 @@ public class SessionData {
return data.stream().map(GroupData::getCurrentGroup).collect(Collectors.toList());
}
- final List<ToscaPolicyTypeIdentifier> policyTypeList = new ArrayList<>(1);
- policyTypeList.add(type);
-
- PdpGroupFilter filter = PdpGroupFilter.builder().policyTypeList(policyTypeList).matchPolicyTypesExactly(true)
+ PdpGroupFilter filter = PdpGroupFilter.builder().policyTypeList(Collections.singletonList(type))
.groupState(PdpState.ACTIVE).build();
List<PdpGroup> groups = dao.getFilteredPdpGroups(filter);