2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2020 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.onap.policy.controlloop.actorserviceprovider.parameters;
24 import java.util.UUID;
25 import java.util.concurrent.CompletableFuture;
26 import java.util.concurrent.Executor;
27 import java.util.concurrent.ForkJoinPool;
28 import java.util.function.Consumer;
29 import lombok.AllArgsConstructor;
30 import lombok.Builder;
31 import lombok.EqualsAndHashCode;
33 import org.onap.policy.common.parameters.BeanValidationResult;
34 import org.onap.policy.common.parameters.BeanValidator;
35 import org.onap.policy.common.parameters.annotations.NotNull;
36 import org.onap.policy.controlloop.actorserviceprovider.ActorService;
37 import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
38 import org.onap.policy.controlloop.actorserviceprovider.Util;
39 import org.onap.policy.controlloop.actorserviceprovider.controlloop.ControlLoopEventContext;
40 import org.onap.policy.controlloop.policy.Target;
41 import org.slf4j.Logger;
42 import org.slf4j.LoggerFactory;
45 * Parameters for control loop operations. The executor defaults to
46 * {@link ForkJoinPool#commonPool()}, but may be overridden.
49 @Builder(toBuilder = true)
52 public class ControlLoopOperationParams {
53 private static final Logger logger = LoggerFactory.getLogger(ControlLoopOperationParams.class);
62 * Actor service in which to find the actor/operation.
65 private ActorService actorService;
68 * Event for which the operation applies.
71 private ControlLoopEventContext context;
74 * Executor to use to run the operation.
78 private Executor executor = ForkJoinPool.commonPool();
84 private String operation;
87 * Payload data for the request.
89 private Map<String, String> payload;
92 * Number of retries allowed, or {@code null} if no retries.
94 private Integer retry;
97 * The entity's target information. May be {@code null}, depending on the requirement
98 * of the operation to be invoked.
100 private Target target;
106 private String targetEntity;
109 * Timeout, in seconds, or {@code null} if no timeout. Zero and negative values also
113 private Integer timeoutSec = 300;
116 * The function to invoke when the operation starts. This is optional.
118 * Note: this may be invoked multiple times, but with different actor/operations. That
119 * may happen if the current operation requires other operations to be performed first
120 * (e.g., A&AI queries, guard checks).
122 private Consumer<OperationOutcome> startCallback;
125 * The function to invoke when the operation completes. This is optional.
127 * Note: this may be invoked multiple times, but with different actor/operations. That
128 * may happen if the current operation requires other operations to be performed first
129 * (e.g., A&AI queries, guard checks).
131 private Consumer<OperationOutcome> completeCallback;
134 * Starts the specified operation.
136 * @return a future that will return the result of the operation
137 * @throws IllegalArgumentException if the parameters are invalid
139 public CompletableFuture<OperationOutcome> start() {
140 BeanValidationResult result = validate();
141 if (!result.isValid()) {
142 logger.warn("parameter error in operation {}.{} for {}:\n{}", getActor(), getOperation(), getRequestId(),
144 throw new IllegalArgumentException("invalid parameters");
149 .getActor(getActor())
150 .getOperator(getOperation())
151 .buildOperation(this)
157 * Gets the requested ID of the associated event.
159 * @return the event's request ID, or {@code null} if no request ID is available
161 public UUID getRequestId() {
162 return (context == null || context.getEvent() == null ? null : context.getEvent().getRequestId());
166 * Makes an operation outcome, populating it from the parameters.
168 * @return a new operation outcome
170 public OperationOutcome makeOutcome() {
171 OperationOutcome outcome = new OperationOutcome();
172 outcome.setActor(getActor());
173 outcome.setOperation(getOperation());
174 outcome.setTarget(targetEntity);
180 * Invokes the callback to indicate that the operation has started. Any exceptions
181 * generated by the callback are logged, but not re-thrown.
183 * @param operation the operation that is being started
185 public void callbackStarted(OperationOutcome operation) {
186 logger.info("started operation {}.{} for {}", operation.getActor(), operation.getOperation(), getRequestId());
188 if (startCallback != null) {
189 Util.runFunction(() -> startCallback.accept(operation), "{}.{}: start-callback threw an exception for {}",
190 operation.getActor(), operation.getOperation(), getRequestId());
195 * Invokes the callback to indicate that the operation has completed. Any exceptions
196 * generated by the callback are logged, but not re-thrown.
198 * @param operation the operation that is being started
200 public void callbackCompleted(OperationOutcome operation) {
201 logger.info("completed operation {}.{} outcome={} for {}", operation.getActor(), operation.getOperation(),
202 operation.getResult(), getRequestId());
204 if (completeCallback != null) {
205 Util.runFunction(() -> completeCallback.accept(operation),
206 "{}.{}: complete-callback threw an exception for {}", operation.getActor(),
207 operation.getOperation(), getRequestId());
212 * Validates the parameters.
214 * @return the validation result
216 public BeanValidationResult validate() {
217 return new BeanValidator().validateTop(ControlLoopOperationParams.class.getSimpleName(), this);