2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018-2019, 2021 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.drools.pooling.message;
23 import lombok.NoArgsConstructor;
24 import org.onap.policy.drools.pooling.PoolingFeatureException;
27 * Indicates that the "source" of this message is now the "lead" host.
30 public class Leader extends MessageWithAssignments {
35 * @param source host on which the message originated
36 * @param assignments assignments
38 public Leader(String source, BucketAssignments assignments) {
39 super(source, assignments);
43 * Also verifies that buckets have been assigned and that the source is
47 public void checkValidity() throws PoolingFeatureException {
49 super.checkValidity();
51 BucketAssignments assignments = getAssignments();
52 if (assignments == null) {
53 throw new PoolingFeatureException("missing message bucket assignments");
56 String leader = getSource();
58 if (!assignments.hasAssignment(leader)) {
59 throw new PoolingFeatureException("leader " + leader + " has no bucket assignments");
62 for (String host : assignments.getHostArray()) {
63 if (host.compareTo(leader) < 0) {
64 throw new PoolingFeatureException("invalid leader " + leader + ", should be " + host);