1 files changed, 79 insertions, 0 deletions
diff --git a/dcae-analytics/dcae-analytics-web/src/main/java/org/onap/dcae/analytics/web/config/DmaapPollerConfig.java b/dcae-analytics/dcae-analytics-web/src/main/java/org/onap/dcae/analytics/web/config/DmaapPollerConfig.java
new file mode 100644
index 0000000..ab85d5f
--- /dev/null
+++ b/dcae-analytics/dcae-analytics-web/src/main/java/org/onap/dcae/analytics/web/config/DmaapPollerConfig.java
@@ -0,0 +1,79 @@
+/*
+ * ================================================================================
+ * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+
+package org.onap.dcae.analytics.web.config;
+
+import java.util.concurrent.TimeUnit;
+
+import org.onap.dcae.analytics.model.AnalyticsProfile;
+import org.onap.dcae.analytics.web.dmaap.MrSubscriberPollingAdvice;
+import org.onap.dcae.analytics.web.dmaap.MrSubscriberPollingPreferences;
+import org.onap.dcae.analytics.web.dmaap.MrSubscriberPreferences;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.integration.scheduling.PollerMetadata;
+import org.springframework.integration.util.DynamicPeriodicTrigger;
+import org.springframework.scheduling.support.PeriodicTrigger;
+
+/**
+ * @author Rajiv Singla
+ */
+@Configuration
+@Profile(AnalyticsProfile.DMAAP_PROFILE_NAME)
+public class DmaapPollerConfig {
+
+    @Bean
+    public MrSubscriberPollingAdvice mrSubscriberPollingAdvice(final DynamicPeriodicTrigger dynamicPeriodicTrigger,
+                                                               final MrSubscriberPreferences mrSubscriberPreferences) {
+        final MrSubscriberPollingPreferences pollingPreferences = mrSubscriberPreferences.getPollingPreferences();
+        final int minInterval = pollingPreferences.getMinPollingInterval();
+        final int stepUpDelta = pollingPreferences.getStepUpDelta();
+        final int maxInterval = pollingPreferences.getMaxPollingInterval();
+        final int stepDownDelta = pollingPreferences.getStepDownDelta();
+        return new MrSubscriberPollingAdvice(dynamicPeriodicTrigger, minInterval,
+                stepUpDelta, maxInterval, stepDownDelta);
+    }
+
+    @Bean
+    public DynamicPeriodicTrigger dynamicPeriodicTrigger(final MrSubscriberPreferences mrSubscriberPreferences) {
+        final MrSubscriberPollingPreferences pollingPreferences = mrSubscriberPreferences.getPollingPreferences();
+        final int minInterval = pollingPreferences.getMinPollingInterval();
+        final DynamicPeriodicTrigger dynamicPeriodicTrigger =
+                new DynamicPeriodicTrigger(minInterval, TimeUnit.MILLISECONDS);
+        dynamicPeriodicTrigger.setFixedRate(true);
+        return dynamicPeriodicTrigger;
+    }
+
+    @Bean
+    public PollerMetadata pollerMetadata(final DynamicPeriodicTrigger dynamicPeriodicTrigger) {
+        final PollerMetadata pollerMetadata = new PollerMetadata();
+        pollerMetadata.setTrigger(dynamicPeriodicTrigger);
+        return pollerMetadata;
+    }
+
+
+    @Bean(name = PollerMetadata.DEFAULT_POLLER)
+    public PollerMetadata defaultPoller() {
+        PollerMetadata pollerMetadata = new PollerMetadata();
+        pollerMetadata.setTrigger(new PeriodicTrigger(1000));
+        return pollerMetadata;
+    }
+
+}