2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018-2019, 2021 AT&T Intellectual Property. All rights reserved.
6 * Modifications Copyright (C) 2024 Nordix Foundation.
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.drools.pooling.message;
24 import lombok.NoArgsConstructor;
25 import org.onap.policy.drools.pooling.PoolingFeatureException;
28 * Indicates that the "source" of this message is now the "lead" host.
31 public class Leader extends MessageWithAssignments {
36 * @param source host on which the message originated
37 * @param assignments assignments
39 public Leader(String source, BucketAssignments assignments) {
40 super(source, assignments);
44 * Also verifies that buckets have been assigned and that the source is
48 public void checkValidity() throws PoolingFeatureException {
50 super.checkValidity();
52 BucketAssignments assignments = getAssignments();
53 if (assignments == null) {
54 throw new PoolingFeatureException("missing message bucket assignments");
57 String leader = getSource();
59 if (!assignments.hasAssignment(leader)) {
60 throw new PoolingFeatureException("leader " + leader + " has no bucket assignments");
63 for (String host : assignments.getHostArray()) {
64 if (host.compareTo(leader) < 0) {
65 throw new PoolingFeatureException("invalid leader " + leader + ", should be " + host);