private SerializedMessage(SerializedMessage<T> message, Map<String, ?> metaData) {
this.identifier = message.getIdentifier();
this.serializedMetaData = new LazyDeserializingObject<>(MetaData.from(metaData));
this.serializedPayload = message.serializedPayload;
}
/**
* Initialize a DomainEventMessage originating from an Aggregate with the given <code>
* aggregateIdentifier</code>, with given <code>sequenceNumber</code> and <code>payload</code>.
* The MetaData of the message is empty.
*
* @param aggregateIdentifier The identifier of the aggregate generating this message
* @param sequenceNumber The message's sequence number
* @param payload The application-specific payload of the message
*/
public GenericDomainEventMessage(String aggregateIdentifier, long sequenceNumber, T payload) {
this(aggregateIdentifier, sequenceNumber, payload, MetaData.emptyInstance());
}
@Override
public MetaData getMetaData() {
MetaData metaData = serializedMetaData.getObject();
return metaData == null ? MetaData.emptyInstance() : metaData;
}