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.Operation;
38 import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
39 import org.onap.policy.controlloop.actorserviceprovider.Util;
40 import org.onap.policy.controlloop.actorserviceprovider.controlloop.ControlLoopEventContext;
41 import org.onap.policy.controlloop.policy.Target;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
46 * Parameters for control loop operations. The executor defaults to
47 * {@link ForkJoinPool#commonPool()}, but may be overridden.
50 @Builder(toBuilder = true)
53 public class ControlLoopOperationParams {
54 private static final Logger logger = LoggerFactory.getLogger(ControlLoopOperationParams.class);
63 * Actor service in which to find the actor/operation.
66 private ActorService actorService;
69 * Event for which the operation applies.
72 private ControlLoopEventContext context;
75 * Executor to use to run the operation.
79 private Executor executor = ForkJoinPool.commonPool();
85 private String operation;
88 * Payload data for the request.
90 private Map<String, Object> payload;
93 * {@code True} if the preprocessing steps have already been executed, {@code false}
96 private boolean preprocessed;
99 * Number of retries allowed, or {@code null} if no retries.
101 private Integer retry;
104 * The entity's target information. May be {@code null}, depending on the requirement
105 * of the operation to be invoked.
107 private Target target;
113 private String targetEntity;
116 * Timeout, in seconds, or {@code null} if no timeout. Zero and negative values also
120 private Integer timeoutSec = 300;
123 * The function to invoke when the operation starts. This is optional.
125 * Note: this may be invoked multiple times, but with different actor/operations. That
126 * may happen if the current operation requires other operations to be performed first
127 * (e.g., A&AI queries, guard checks).
129 private Consumer<OperationOutcome> startCallback;
132 * The function to invoke when the operation completes. This is optional.
134 * Note: this may be invoked multiple times, but with different actor/operations. That
135 * may happen if the current operation requires other operations to be performed first
136 * (e.g., A&AI queries, guard checks).
138 private Consumer<OperationOutcome> completeCallback;
141 * Starts the specified operation.
143 * @return a future that will return the result of the operation
144 * @throws IllegalArgumentException if the parameters are invalid
146 public CompletableFuture<OperationOutcome> start() {
147 return build().start();
151 * Builds the specified operation.
153 * @return a new operation
154 * @throws IllegalArgumentException if the parameters are invalid
156 public Operation build() {
157 BeanValidationResult result = validate();
158 if (!result.isValid()) {
159 logger.warn("parameter error in operation {}.{} for {}:\n{}", getActor(), getOperation(), getRequestId(),
161 throw new IllegalArgumentException("invalid parameters");
166 .getActor(getActor())
167 .getOperator(getOperation())
168 .buildOperation(this);
173 * Gets the requested ID of the associated event.
175 * @return the event's request ID, or {@code null} if no request ID is available
177 public UUID getRequestId() {
178 return (context == null || context.getEvent() == null ? null : context.getEvent().getRequestId());
182 * Makes an operation outcome, populating it from the parameters.
184 * @return a new operation outcome
186 public OperationOutcome makeOutcome() {
187 OperationOutcome outcome = new OperationOutcome();
188 outcome.setActor(getActor());
189 outcome.setOperation(getOperation());
190 outcome.setTarget(targetEntity);
196 * Invokes the callback to indicate that the operation has started. Any exceptions
197 * generated by the callback are logged, but not re-thrown.
199 * @param operation the operation that is being started
201 public void callbackStarted(OperationOutcome operation) {
202 logger.info("started operation {}.{} for {}", operation.getActor(), operation.getOperation(), getRequestId());
204 if (startCallback != null) {
205 Util.runFunction(() -> startCallback.accept(operation), "{}.{}: start-callback threw an exception for {}",
206 operation.getActor(), operation.getOperation(), getRequestId());
211 * Invokes the callback to indicate that the operation has completed. Any exceptions
212 * generated by the callback are logged, but not re-thrown.
214 * @param operation the operation that is being started
216 public void callbackCompleted(OperationOutcome operation) {
217 logger.info("completed operation {}.{} outcome={} for {}", operation.getActor(), operation.getOperation(),
218 operation.getResult(), getRequestId());
220 if (completeCallback != null) {
221 Util.runFunction(() -> completeCallback.accept(operation),
222 "{}.{}: complete-callback threw an exception for {}", operation.getActor(),
223 operation.getOperation(), getRequestId());
228 * Validates the parameters.
230 * @return the validation result
232 public BeanValidationResult validate() {
233 return new BeanValidator().validateTop(ControlLoopOperationParams.class.getSimpleName(), this);