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/*-
* ============LICENSE_START=======================================================
* PolicyEngineClient
* ================================================================================
* Copyright (C) 2017 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.policyengine;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import java.util.UUID;
import org.onap.policy.api.DecisionResponse;
import org.onap.policy.api.LoadedPolicy;
import org.onap.policy.api.NotificationScheme;
import org.onap.policy.api.PolicyConfig;
import org.onap.policy.api.PolicyConfigException;
import org.onap.policy.api.PolicyDecisionException;
import org.onap.policy.api.PolicyEngine;
import org.onap.policy.api.PolicyEventException;
import org.onap.policy.api.PolicyResponse;
import org.onap.policy.api.RemovedPolicy;
/**
* Class contains static functions which make call to policy engine using API.
* This class is used by generalTestClient.java
*
*
* @version 1.0
*
*/
public class PolicyEngineTestClient {
/**
* This fuction make API call to policy engine to get config. And returns
* policy name, policy version and policy configStatus
*
* @param org.onap.policyEngine
* @param onapComponentName
* @param configName
* @param configAttributes
* @return
*/
@SuppressWarnings("deprecation")
public static ArrayList<String> getConfig(PolicyEngine policyEngine,
String onapComponentName, String configName,
Map<String, String> configAttributes) {
ArrayList<String> resultReceived = new ArrayList<>();
try {
UUID requestID = UUID.randomUUID();
Collection<PolicyConfig> policyConfigs;
if (configName == null) {
policyConfigs = policyEngine.getConfig(onapComponentName, requestID);
} else {
if (configAttributes == null) {
policyConfigs = policyEngine.getConfig(onapComponentName,
configName, requestID);
} else {
policyConfigs = policyEngine.getConfig(onapComponentName,
configName, configAttributes, requestID);
}
}
if (policyConfigs != null && !policyConfigs.isEmpty()) {
for (PolicyConfig policyConfig : policyConfigs) {
resultReceived.add("Policy Name: "
+ policyConfig.getPolicyName()
+ " Policy version: "
+ policyConfig.getPolicyVersion() + " - "
+ policyConfig.getPolicyConfigStatus());
}
}
} catch (PolicyConfigException e) {
// logger.error("Exception Occured"+e);
resultReceived.add(""+e);
}
return resultReceived;
}
/**
* This functions make API call to policy engine to get decision. And
* returns policy Decision
*
* @param org.onap.policyEngine
* @param onapComponentName
* @param decisionAttributes
* @return
*/
public static ArrayList<String> getDecision(PolicyEngine policyEngine,
String onapComponentName, Map<String, String> decisionAttributes) {
ArrayList<String> resultReceived = new ArrayList<>();
// Decision example
try {
UUID requestID = UUID.randomUUID();
@SuppressWarnings("deprecation")
DecisionResponse policyDecision = policyEngine.getDecision(
onapComponentName, decisionAttributes, requestID);
resultReceived.add(policyDecision.getDecision().toString());
} catch (PolicyDecisionException e) {
// logger.error("Exception Occured"+e);
resultReceived.add(""+e);
}
return resultReceived;
}
/**
* This function makes API call to policy engine to get action. And returns
* responseMessage and responseStatus
*
* @param org.onap.policyEngine
* @param eventAttributes
* @return
*/
public static ArrayList<String> getAction(PolicyEngine policyEngine,
Map<String, String> eventAttributes) {
ArrayList<String> resultReceived = new ArrayList<>();
try {
UUID requestID = UUID.randomUUID();
@SuppressWarnings("deprecation")
Collection<PolicyResponse> policyResponses = policyEngine
.sendEvent(eventAttributes, requestID);
if (policyResponses != null && !policyResponses.isEmpty()) {
for (PolicyResponse policyResponse : policyResponses) {
resultReceived.add(policyResponse
.getPolicyResponseMessage()
+ " : "
+ policyResponse.getPolicyResponseStatus());
}
}
} catch (PolicyEventException e) {
// logger.error("Exception Occured"+e);
resultReceived.add(""+e);
}
return resultReceived;
}
/**
* This function makes API call to policy engine to get manual
* notifications.
*
* @param org.onap.policyEngine
*/
public static void getManualNotifications(PolicyEngine policyEngine) {
policyEngine.setScheme(NotificationScheme.MANUAL_ALL_NOTIFICATIONS);
System.out.println(policyEngine.getNotification().getNotificationType());
for (LoadedPolicy updated : policyEngine.getNotification().getLoadedPolicies()) {
System.out.println(updated.getPolicyName());
System.out.println(updated.getVersionNo());
System.out.println(updated.getMatches());
}
for (RemovedPolicy removed : policyEngine.getNotification()
.getRemovedPolicies()) {
System.out.println(removed.getPolicyName());
System.out.println(removed.getVersionNo());
}
}
/**
* This function makes API call to policy engine to get automatic
* notifications.
*
* @param org.onap.policyEngine
*/
public static void getAutoNotifications(PolicyEngine policyEngine) {
Handler handler = new Handler();
policyEngine.setNotification(NotificationScheme.AUTO_ALL_NOTIFICATIONS,
handler);
//
System.out.println("Enter a any key to exit");
try {
System.in.read();
} catch (IOException e) {
//
}
}
}
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