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/*
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
* Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.drools.pooling.message;
import org.onap.policy.drools.pooling.PoolingFeatureException;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonSubTypes;
import com.fasterxml.jackson.annotation.JsonSubTypes.Type;
import com.fasterxml.jackson.annotation.JsonTypeInfo;
/**
* Messages sent on the internal topic.
*/
@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.PROPERTY, property = "type")
@JsonSubTypes({@Type(value = Forward.class, name = "forward"), @Type(value = Heartbeat.class, name = "heartbeat"),
@Type(value = Identification.class, name = "identification"),
@Type(value = Leader.class, name = "leader"), @Type(value = Offline.class, name = "offline"),
@Type(value = Query.class, name = "query")})
public class Message {
/**
* Name of the administrative channel.
*/
public static final String ADMIN = "_admin";
/**
* Host that originated the message.
*/
private String source;
/**
* Channel on which the message is routed, which is either the target host
* or {@link #ADMIN}.
*/
private String channel;
/**
*
*/
public Message() {
super();
}
/**
*
* @param source host on which the message originated
*/
public Message(String source) {
this.source = source;
}
public String getSource() {
return source;
}
public void setSource(String source) {
this.source = source;
}
public String getChannel() {
return channel;
}
public void setChannel(String channel) {
this.channel = channel;
}
/**
* Checks the validity of the message, including verifying that required
* fields are not missing.
*
* @throws PoolingFeatureException if the message is invalid
*/
@JsonIgnore
public void checkValidity() throws PoolingFeatureException {
if (source == null || source.isEmpty()) {
throw new PoolingFeatureException("missing message source");
}
if (channel == null || channel.isEmpty()) {
throw new PoolingFeatureException("missing message channel");
}
}
}
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