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-rw-r--r--policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java42
1 files changed, 24 insertions, 18 deletions
diff --git a/policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java b/policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java
index 584b3845..bd97ddb1 100644
--- a/policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java
+++ b/policy-core/src/main/java/org/onap/policy/drools/core/PolicyContainer.java
@@ -448,24 +448,30 @@ public class PolicyContainer implements Startable {
*/
public synchronized void startScanner(ReleaseId releaseId) {
String version = releaseId.getVersion();
- if (!scannerStarted && scanner == null && version != null
- && ("LATEST".equals(version) || "RELEASE".equals(version) || version.endsWith("-SNAPSHOT"))) {
- // create the scanner, and poll at 60 second intervals
- try {
- scannerStarted = true;
-
- // start this in a separate thread -- it can block for a long time
- new Thread("Scanner Starter " + getName()) {
- @Override
- public void run() {
- scanner = kieServices.newKieScanner(kieContainer);
- scanner.start(60000L);
- }
- }.start();
- } catch (Exception e) {
- // sometimes the scanner initialization fails for some reason
- logger.error("startScanner error", e);
- }
+
+ if (scannerStarted || scanner != null || version == null) {
+ return;
+ }
+
+ if (!("LATEST".equals(version) || "RELEASE".equals(version) || version.endsWith("-SNAPSHOT"))) {
+ return;
+ }
+
+ // create the scanner, and poll at 60 second intervals
+ try {
+ scannerStarted = true;
+
+ // start this in a separate thread -- it can block for a long time
+ new Thread("Scanner Starter " + getName()) {
+ @Override
+ public void run() {
+ scanner = kieServices.newKieScanner(kieContainer);
+ scanner.start(60000L);
+ }
+ }.start();
+ } catch (Exception e) {
+ // sometimes the scanner initialization fails for some reason
+ logger.error("startScanner error", e);
}
}