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Diffstat (limited to 'feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/message/Message.java')
-rw-r--r-- | feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/message/Message.java | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/message/Message.java b/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/message/Message.java new file mode 100644 index 00000000..e8a4671d --- /dev/null +++ b/feature-pooling-dmaap/src/main/java/org/onap/policy/drools/pooling/message/Message.java @@ -0,0 +1,103 @@ +/* + * ============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"); + } + } + +} |