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/*-
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* 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.policy.drools.apps.controlloop.feature.trans;
import org.onap.policy.controlloop.VirtualControlLoopNotification;
import org.onap.policy.drools.event.comm.Topic.CommInfrastructure;
import org.onap.policy.drools.features.PolicyControllerFeatureAPI;
import org.onap.policy.drools.system.PolicyController;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Feature that tracks Transactions by observing Notification Patterns.
*/
public class ControlLoopMetricsFeature implements PolicyControllerFeatureAPI {
/**
* Feature Sequence Priority
*/
public final static int FEATURE_SEQUENCE_PRIORITY = 100000;
/**
* Properties Configuration Name
*/
public static final String CONFIGURATION_PROPERTIES_NAME = "feature-controlloop-trans";
/**
* maximum number of transaction cache entries
*/
public static final String CL_CACHE_TRANS_SIZE_PROPERTY = "controlloop.cache.transactions.size";
public static final int CL_CACHE_TRANS_SIZE_DEFAULT = 100;
/**
* transaction timeout in minutes
*/
public static final String CL_CACHE_TRANS_TIMEOUT_SECONDS_PROPERTY = "controllop.cache.transactions.timeout.seconds";
public static final long CL_CACHE_TRANS_TIMEOUT_SECONDS_DEFAULT = 1L * 60 * 60;
@Override
public boolean afterShutdown(PolicyController controller) {
return false;
}
/**
* Logger
*/
private static Logger logger = LoggerFactory.getLogger(ControlLoopMetricsFeature.class);
/**
* Intercept Control Loop Notifications
*
* @param controller - controller
* @param protocol - protocol
* @param topic - topic
* @param event - event object
* @return
*/
@Override
public boolean beforeDeliver(PolicyController controller, CommInfrastructure protocol, String topic, Object event) {
if (event instanceof VirtualControlLoopNotification)
ControlLoopMetrics.manager.transactionEvent(controller, (VirtualControlLoopNotification) event);
/* do not take ownership */
return false;
}
@Override
public int getSequenceNumber() {
return FEATURE_SEQUENCE_PRIORITY;
}
}
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