2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 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 com.fasterxml.jackson.annotation.JsonIgnore;
24 import org.onap.policy.drools.pooling.PoolingFeatureException;
27 * Indicates that the "source" of this message is now the "lead" host.
29 public class Leader extends MessageWithAssignments {
41 * @param source host on which the message originated
42 * @param assignments assignments
44 public Leader(String source, BucketAssignments assignments) {
45 super(source, assignments);
49 * Also verifies that buckets have been assigned and that the source is
54 public void checkValidity() throws PoolingFeatureException {
56 super.checkValidity();
58 BucketAssignments assignments = getAssignments();
59 if (assignments == null) {
60 throw new PoolingFeatureException("missing message bucket assignments");
63 String leader = getSource();
65 if (!assignments.hasAssignment(leader)) {
66 throw new PoolingFeatureException("leader " + leader + " has no bucket assignments");
69 for (String host : assignments.getHostArray()) {
70 if (host.compareTo(leader) < 0) {
71 throw new PoolingFeatureException("invalid leader " + leader + ", should be " + host);