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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2018-2019 AT&T Intellectual Property. All rights reserved.
* Copyright © 2018-2019 European Software Marketing Ltd.
* ================================================================================
* 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.aai.validation.servlet;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import javax.annotation.PostConstruct;
import javax.inject.Inject;
import org.onap.aai.cl.api.Logger;
import org.onap.aai.validation.config.TopicAdminConfig;
import org.onap.aai.validation.logging.ApplicationMsgs;
import org.onap.aai.validation.logging.LogHelper;
import org.onap.aai.validation.services.EventPollingService;
import org.springframework.stereotype.Service;
/**
* Main application service
*
*/
@Service
public class StartupServlet {
private static final Logger applicationLogger = LogHelper.INSTANCE;
private static final long DEFAULT_POLLING_INTERVAL = 10;
private final EventPollingService eventPollingService;
private final TopicAdminConfig topicAdminConfig;
/**
* @param eventPollingService
* @param topicAdminConfig
*/
@Inject
public StartupServlet(EventPollingService eventPollingService, TopicAdminConfig topicAdminConfig) {
this.eventPollingService = eventPollingService;
this.topicAdminConfig = topicAdminConfig;
}
/**
* Called from Spring
*/
@PostConstruct
public void init() {
applicationLogger.info(ApplicationMsgs.STARTUP_SERVLET_INIT);
// Schedule a polling service if consuming is enabled.
boolean consumingEnabled = topicAdminConfig.isConsumeEnable();
if (consumingEnabled) {
Long consumerPollingIntervalSeconds = topicAdminConfig.getConsumePollingIntervalSeconds();
long interval;
if (consumerPollingIntervalSeconds == null) {
applicationLogger.info(ApplicationMsgs.POLLING_INTERVAL_CONFIG_NOT_PRESENT,
Long.toString(DEFAULT_POLLING_INTERVAL));
interval = DEFAULT_POLLING_INTERVAL;
} else {
interval = consumerPollingIntervalSeconds;
}
applicationLogger.info(ApplicationMsgs.POLLING_FOR_EVENTS, Long.toString(interval));
Executors.newSingleThreadScheduledExecutor().scheduleWithFixedDelay(eventPollingService, 0, interval,
TimeUnit.SECONDS);
} else {
applicationLogger.info(ApplicationMsgs.POLLING_DISABLED);
}
applicationLogger.info(ApplicationMsgs.STARTUP_SERVLET_INIT_SUCCESS);
}
public EventPollingService getEventPollingService() {
return eventPollingService;
}
public TopicAdminConfig getTopicAdminConfig() {
return topicAdminConfig;
}
}
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