package de.intevation.artifacts;

/**
 * Interface to make artifact persistent.
 *
 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
 */
public interface ArtifactSerializer
{
    /**
     * Restores an artifact from an array of bytes.
     * @param bytes the persistent representation of the artifact.
     * @return The de-serialized artifact or null if there was an error.
     */
    Artifact fromBytes(byte [] bytes);
    /**
     * Brings an artifact to a persistent form in form of a byte array.
     * @param artifact The artifact to be serialized.
     * @return the byte array representation of the artifact or null
     * if there was an error.
     */
    byte []  toBytes(Artifact artifact);
}
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