package liquibase.command;
import liquibase.CatalogAndSchema;
import liquibase.database.Database;
import liquibase.serializer.SnapshotSerializerFactory;
import liquibase.snapshot.*;
import liquibase.util.StringUtils;
import java.util.ArrayList;
import java.util.List;
public class SnapshotCommand extends AbstractCommand {
private Database database;
private CatalogAndSchema[] schemas;
private String serializerFormat = "txt";
private SnapshotListener snapshotListener;
@Override
public String getName() {
return "snapshot";
}
public void setDatabase(Database database) {
this.database = database;
}
public Database getDatabase() {
return database;
}
public SnapshotCommand setSchemas(CatalogAndSchema... catalogAndSchema) {
schemas = catalogAndSchema;
return this;
}
public SnapshotCommand setSchemas(String... schemas) {
if (schemas == null || schemas.length == 0 || schemas[0] == null) {
this.schemas = null;
return this;
}
schemas = StringUtils.join(schemas, ",").split("\\s*,\\s*");
List<CatalogAndSchema> finalList = new ArrayList<CatalogAndSchema>();
for (String schema : schemas) {
finalList.add(new CatalogAndSchema(null, schema).customize(database));
}
this.schemas = finalList.toArray(new CatalogAndSchema[finalList.size()]);
return this;
}
public String getSerializerFormat() {
return serializerFormat;
}
public SnapshotCommand setSerializerFormat(String serializerFormat) {
this.serializerFormat = serializerFormat;
return this;
}
public SnapshotListener getSnapshotListener() {
return snapshotListener;
}
public void setSnapshotListener(SnapshotListener snapshotListener) {
this.snapshotListener = snapshotListener;
}
@Override
protected Object run() throws Exception {
SnapshotControl snapshotControl = new SnapshotControl(database);
snapshotControl.setSnapshotListener(snapshotListener);
CatalogAndSchema[] schemas = this.schemas;
if (schemas == null) {
schemas = new CatalogAndSchema[]{database.getDefaultSchema()};
}
DatabaseSnapshot snapshot = SnapshotGeneratorFactory.getInstance().createSnapshot(schemas, database, snapshotControl);
return SnapshotSerializerFactory.getInstance().getSerializer(getSerializerFormat()).serialize(snapshot, true);
}
@Override
public CommandValidationErrors validate() {
return new CommandValidationErrors(this);
}
}