/**
 *
 */
package de.intevation.gnv.artifactdatabase.client;

import java.io.OutputStream;
import java.util.Collection;
import java.util.Locale;

import de.intevation.gnv.artifactdatabase.client.exception.ArtifactDatabaseClientException;
import de.intevation.gnv.artifactdatabase.objects.ArtifactDescription;
import de.intevation.gnv.artifactdatabase.objects.ArtifactObject;
import de.intevation.gnv.artifactdatabase.objects.ArtifactStatisticValue;
import de.intevation.gnv.artifactdatabase.objects.InputParameter;

/**
 * @author Tim Englich <tim.englich@intevation.de>
 * 
 */
public interface ArtifactDatabaseClient {

    public final static String ARTIFACTDATABASE_COUNT_ID = "de.intevation.gnv.artifactdatabase.client.ArtifactDatabase.count";

    public final static String ARTIFACTDATABASE_URL_ID = "de.intevation.gnv.artifactdatabase.client.ArtifactDatabase.url";

    /**
     * Return the Artifactfactories which can be resolved.
     * 
     * @return the Artifactfactories which can be resolved.
     * @throws ArtifactDatabaseClientException
     */
    public Collection<ArtifactObject> getArtifactFactories()
                                                            throws ArtifactDatabaseClientException;

    /**
     * 
     * @param artifactFactory
     * @return the new Artifact
     * @throws ArtifactDatabaseClientException
     */
    public ArtifactObject createNewArtifact(ArtifactObject artifactFactory)
                                                                           throws ArtifactDatabaseClientException;

    /**
     * 
     * @param currentArtifact
     * @return the Current Artifact
     * @throws ArtifactDatabaseClientException
     */
    public ArtifactDescription getCurrentStepDescription(
                                                         ArtifactObject artifactFactory,
                                                         ArtifactObject currentArtifact)
                                                                                        throws ArtifactDatabaseClientException;

    /**
     * 
     * @param artifactFactory
     * @param currentArtifact
     * @param target
     * @param inputParameter
     * @return
     * @throws ArtifactDatabaseClientException
     */
    public ArtifactDescription doNextStep(
                                          ArtifactObject artifactFactory,
                                          ArtifactObject currentArtifact,
                                          String target,
                                          Collection<InputParameter> inputParameter)
                                                                                    throws ArtifactDatabaseClientException;

    /**
     * @param artifactFactory
     * @param currentArtifact
     * @param inputParameter
     * @return
     * @throws ArtifactDatabaseClientException
     */
    public void doFeed(ArtifactObject artifactFactory,
                       ArtifactObject currentArtifact,
                       Collection<InputParameter> inputParameter)
                                                                 throws ArtifactDatabaseClientException;

    /**
     * 
     * @param artifactFactory
     * @param currentArtifact
     * @param stream
     * @param targetName
     * @param mimeType
     * @throws ArtifactDatabaseClientException
     */
    public void doOutput(ArtifactObject artifactFactory,
                         ArtifactObject currentArtifact, OutputStream stream,
                         String targetName, String mimeType,
                         Collection<InputParameter> inputParameter)
                                                                   throws ArtifactDatabaseClientException;

    /**
     * @param artifactFactory
     * @param currentArtifact
     * @return
     * @throws ArtifactDatabaseClientException
     */
    public Collection<ArtifactStatisticValue> calculateStatistics(
                                                                  ArtifactObject artifactFactory,
                                                                  ArtifactObject currentArtifact)
                                                                                                 throws ArtifactDatabaseClientException;
    
    public void setLocale(Locale locale);
}