backends-common/cassandra/src/main/java/org/apache/james/backends/cassandra/migration/MigrationTaskAdditionalInformationsDTO.java

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package org.apache.james.backends.cassandra.migration;

import java.time.Instant;

import org.apache.james.backends.cassandra.versions.SchemaVersion;
import org.apache.james.json.DTOModule;
import org.apache.james.server.task.json.dto.AdditionalInformationDTO;
import org.apache.james.server.task.json.dto.AdditionalInformationDTOModule;

import com.fasterxml.jackson.annotation.JsonProperty;

public class MigrationTaskAdditionalInformationsDTO implements AdditionalInformationDTO {

    public static final AdditionalInformationDTOModule<MigrationTask.AdditionalInformations, MigrationTaskAdditionalInformationsDTO> serializationModule() {
        return DTOModule.forDomainObject(MigrationTask.AdditionalInformations.class)
            .convertToDTO(MigrationTaskAdditionalInformationsDTO.class)
            .toDomainObjectConverter(dto -> new MigrationTask.AdditionalInformations(new SchemaVersion(dto.getTargetVersion()), dto.timestamp))
            .toDTOConverter((details, type) -> new MigrationTaskAdditionalInformationsDTO(type, details.getToVersion(), details.timestamp()))
            .typeName(MigrationTask.CASSANDRA_MIGRATION.asString())
            .withFactory(AdditionalInformationDTOModule::new);
    }

    private final String type;
    private final int targetVersion;
    private final Instant timestamp;

    public MigrationTaskAdditionalInformationsDTO(@JsonProperty("type") String type,
                                                  @JsonProperty("targetVersion") int targetVersion,
                                                  @JsonProperty("timestamp") Instant timestamp) {
        this.type = type;
        this.targetVersion = targetVersion;
        this.timestamp = timestamp;
    }

    @Override
    public String getType() {
        return type;
    }

    public Instant getTimestamp() {
        return timestamp;
    }

    public int getTargetVersion() {
        return targetVersion;
    }
}