2 * ===============================LICENSE_START======================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============================LICENSE_END===========================================
21 package org.openecomp.dcae.apod.analytics.tca.processor;
23 import com.google.common.base.Joiner;
24 import org.openecomp.dcae.apod.analytics.model.domain.cef.EventListener;
25 import org.openecomp.dcae.apod.analytics.model.domain.policy.tca.TCAPolicy;
27 import java.util.List;
29 import static org.openecomp.dcae.apod.analytics.tca.utils.TCAUtils.getPolicyEventNamesSupplier;
33 * TCA Processor that acts like a filter to filter out messages which does not belong to TCA Policy Event Name
35 * Pre Conditions: CEF Event Listener must be present
38 * @author Rajiv Singla . Creation Date: 11/9/2016.
40 public class TCACEFPolicyEventNameFilter extends AbstractTCAECEFPolicyProcessor {
42 private static final long serialVersionUID = 1L;
45 public String getProcessorDescription() {
46 return "Filters out CEF Messages which does not match Policy Functional Roles";
50 public TCACEFProcessorContext processMessage(TCACEFProcessorContext processorContext) {
52 // Safe to get event Listener here without null check as pre processor will validate if
53 // event listener is indeed present
54 final EventListener eventListener = processorContext.getCEFEventListener();
56 String cefMessageEventName;
58 if (eventListener.getEvent() != null &&
59 eventListener.getEvent().getCommonEventHeader() != null &&
60 eventListener.getEvent().getCommonEventHeader().getEventName() != null) {
61 cefMessageEventName = eventListener.getEvent().getCommonEventHeader().getEventName();
63 String terminationMessage = "Invalid CEF Message.Common Event Header Event Name not present.";
64 setTerminatingProcessingMessage(terminationMessage, processorContext);
65 return processorContext;
68 // Determine Policy Functional Roles
69 final TCAPolicy tcaPolicy = processorContext.getTCAPolicy();
70 final List<String> policyFunctionalRoles = getPolicyEventNamesSupplier(tcaPolicy).get();
71 final String policyFunctionalRolesString = Joiner.on(",").join(policyFunctionalRoles);
73 // If Policy functional Roles contains CEF message Functional Role then continue processing
74 if (policyFunctionalRoles.contains(cefMessageEventName)) {
75 final String finishMessage = String.format(
76 "Policy Functional Roles and CEF Message Functional match successful." +
77 "Message Functional Role: %s, Policy Functional Roles: %s",
78 cefMessageEventName, policyFunctionalRolesString);
79 setFinishedProcessingMessage(finishMessage, processorContext);
81 // If Policy functional Roles does not contain CEF message Functiona Role then terminate processing
82 final String terminatingMessage = String.format(
83 "Policy Domain and CEF Message Domain match unsuccessful." +
84 "Message Functional Role: %s, Policy Functional Roles: %s",
85 cefMessageEventName, policyFunctionalRolesString);
86 setTerminatingProcessingMessage(terminatingMessage, processorContext);
89 return processorContext;