diff options
Diffstat (limited to 'src/main')
| -rw-r--r-- | src/main/java/org/onap/clamp/clds/client/DcaeInventoryServices.java | 68 | ||||
| -rw-r--r-- | src/main/java/org/onap/clamp/clds/client/req/policy/PolicyClient.java | 8 |
2 files changed, 41 insertions, 35 deletions
diff --git a/src/main/java/org/onap/clamp/clds/client/DcaeInventoryServices.java b/src/main/java/org/onap/clamp/clds/client/DcaeInventoryServices.java index 6bab2303f..1e5dedaa6 100644 --- a/src/main/java/org/onap/clamp/clds/client/DcaeInventoryServices.java +++ b/src/main/java/org/onap/clamp/clds/client/DcaeInventoryServices.java @@ -145,6 +145,25 @@ public class DcaeInventoryServices { }
}
+ private int getTotalCountFromDcaeInventoryResponse(String responseStr) throws ParseException {
+ JSONParser parser = new JSONParser();
+ Object obj0 = parser.parse(responseStr);
+ JSONObject jsonObj = (JSONObject) obj0;
+ Long totalCount = (Long) jsonObj.get("totalCount");
+ return totalCount.intValue();
+ }
+
+ private DcaeInventoryResponse getItemsFromDcaeInventoryResponse(String responseStr)
+ throws ParseException, IOException {
+ JSONParser parser = new JSONParser();
+ Object obj0 = parser.parse(responseStr);
+ JSONObject jsonObj = (JSONObject) obj0;
+ JSONArray itemsArray = (JSONArray) jsonObj.get("items");
+ JSONObject dcaeServiceType0 = (JSONObject) itemsArray.get(0);
+ return JacksonUtils.getObjectMapperInstance().readValue(dcaeServiceType0.toString(),
+ DcaeInventoryResponse.class);
+ }
+
/**
* DO a query to DCAE to get some Information.
*
@@ -168,26 +187,14 @@ public class DcaeInventoryServices { + artifactName;
String fullUrl = refProp.getStringValue(DCAE_INVENTORY_URL) + "/dcae-service-types" + queryString;
logger.info("Dcae Inventory Service full url - " + fullUrl);
- String dcaeInventoryResponse = null;
- String responseStr = queryDCAEInventory(fullUrl);
- JSONParser parser = new JSONParser();
- Object obj0 = parser.parse(responseStr);
- JSONObject jsonObj = (JSONObject) obj0;
- Long totalCount = (Long) jsonObj.get("totalCount");
- int numServices = totalCount.intValue();
- if (numServices > 0) {
- JSONArray itemsArray = (JSONArray) jsonObj.get("items");
- JSONObject dcaeServiceType0 = (JSONObject) itemsArray.get(0);
- dcaeInventoryResponse = dcaeServiceType0.toString();
- logger.info("getDcaeInformation, answer from DCAE inventory:" + dcaeInventoryResponse);
- }
+ DcaeInventoryResponse response = queryDcaeInventory(fullUrl);
LoggingUtils.setResponseContext("0", "Get Dcae Information success", this.getClass().getName());
LoggingUtils.setTimeContext(startTime, new Date());
- metricsLogger.info("getDcaeInformation complete: number services returned=" + numServices);
- return JacksonUtils.getObjectMapperInstance().readValue(dcaeInventoryResponse, DcaeInventoryResponse.class);
+ return response;
}
- private String queryDCAEInventory(String fullUrl) throws IOException, InterruptedException {
+ private DcaeInventoryResponse queryDcaeInventory(String fullUrl)
+ throws IOException, InterruptedException, ParseException {
int retryInterval = 0;
int retryLimit = 1;
if (refProp.getStringValue(DCAE_INVENTORY_RETRY_LIMIT) != null) {
@@ -196,24 +203,21 @@ public class DcaeInventoryServices { if (refProp.getStringValue(DCAE_INVENTORY_RETRY_INTERVAL) != null) {
retryInterval = Integer.valueOf(refProp.getStringValue(DCAE_INVENTORY_RETRY_INTERVAL));
}
- int i = 0;
- while (i < retryLimit) {
- i++;
- try {
- return DcaeHttpConnectionManager.doDcaeHttpQuery(fullUrl, "GET", null, null);
- } catch (BadRequestException e) {
- if (i == retryLimit) {
- // reach the retry limit, but still failed to connect to
- // DCAE
- throw e;
- } else {
- // wait for a while and try to connect to DCAE again
- Thread.sleep(retryInterval);
- }
+ for (int i = 0; i < retryLimit; i++) {
+ metricsLogger.info("Attempt n°" + i + " to contact DCAE inventory");
+ String response = DcaeHttpConnectionManager.doDcaeHttpQuery(fullUrl, "GET", null, null);
+ int totalCount = getTotalCountFromDcaeInventoryResponse(response);
+ metricsLogger.info("getDcaeInformation complete: totalCount returned=" + totalCount);
+ if (totalCount > 0) {
+ logger.info("getDcaeInformation, answer from DCAE inventory:" + response);
+ return getItemsFromDcaeInventoryResponse(response);
}
+ logger.info(
+ "Dcae inventory totalCount returned is 0, so waiting " + retryInterval + "ms before retrying ...");
+ // wait for a while and try to connect to DCAE again
+ Thread.sleep(retryInterval);
}
- // normally it should not go to this branch. It should either return the
- // DCAE query result, or throw exception
+ logger.warn("Dcae inventory totalCount returned is still 0, after " + retryLimit + " attempts, returning NULL");
return null;
}
diff --git a/src/main/java/org/onap/clamp/clds/client/req/policy/PolicyClient.java b/src/main/java/org/onap/clamp/clds/client/req/policy/PolicyClient.java index c00d7de8c..9fff4efc5 100644 --- a/src/main/java/org/onap/clamp/clds/client/req/policy/PolicyClient.java +++ b/src/main/java/org/onap/clamp/clds/client/req/policy/PolicyClient.java @@ -64,6 +64,7 @@ import org.springframework.stereotype.Component; @Component public class PolicyClient { + protected PolicyEngine policyEngine; protected static final String LOG_POLICY_PREFIX = "Response is "; protected static final EELFLogger logger = EELFManager.getInstance().getLogger(PolicyClient.class); protected static final EELFLogger metricsLogger = EELFManager.getInstance().getMetricsLogger(); @@ -352,10 +353,11 @@ public class PolicyClient { * * @return A new policy engine */ - private PolicyEngine getPolicyEngine() { - PolicyEngine policyEngine; + private synchronized PolicyEngine getPolicyEngine() { try { - policyEngine = new PolicyEngine(policyConfiguration.getProperties()); + if (policyEngine == null) { + policyEngine = new PolicyEngine(policyConfiguration.getProperties()); + } } catch (PolicyEngineException e) { throw new PolicyClientException("Exception when creating a new policy engine", e); } |