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 com.fasterxml.jackson.annotation.JsonSubTypes;
25 import com.fasterxml.jackson.annotation.JsonSubTypes.Type;
26 import com.fasterxml.jackson.annotation.JsonTypeInfo;
27 import org.onap.policy.drools.pooling.PoolingFeatureException;
30 * Messages sent on the internal topic.
32 @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "type")
33 @JsonSubTypes({@Type(value = Forward.class, name = "forward"), @Type(value = Heartbeat.class, name = "heartbeat"),
34 @Type(value = Identification.class, name = "identification"),
35 @Type(value = Leader.class, name = "leader"), @Type(value = Offline.class, name = "offline"),
36 @Type(value = Query.class, name = "query")})
37 public class Message {
40 * Name of the administrative channel.
42 public static final String ADMIN = "_admin";
45 * Host that originated the message.
47 private String source;
50 * Channel on which the message is routed, which is either the target host
53 private String channel;
65 * @param source host on which the message originated
67 public Message(String source) {
71 public String getSource() {
75 public void setSource(String source) {
79 public String getChannel() {
83 public void setChannel(String channel) {
84 this.channel = channel;
88 * Checks the validity of the message, including verifying that required
89 * fields are not missing.
91 * @throws PoolingFeatureException if the message is invalid
94 public void checkValidity() throws PoolingFeatureException {
95 if (source == null || source.isEmpty()) {
96 throw new PoolingFeatureException("missing message source");
99 if (channel == null || channel.isEmpty()) {
100 throw new PoolingFeatureException("missing message channel");