/**
* Copyright (C) 2009-2013 FoundationDB, LLC
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.foundationdb.server.store.format.protobuf;
import com.foundationdb.ais.model.HasStorage;
import com.foundationdb.ais.protobuf.AISProtobuf.Storage;
import com.foundationdb.ais.protobuf.CommonProtobuf;
import com.foundationdb.ais.protobuf.FDBProtobuf;
import com.foundationdb.server.store.format.StorageFormat;
import com.foundationdb.server.store.format.StorageFormatRegistry;
import com.foundationdb.sql.parser.StorageFormatNode;
public class FDBProtobufStorageFormat extends StorageFormat<FDBProtobufStorageDescription>
{
private static final String identifier = "protobuf";
private FDBProtobufStorageFormat() {
}
public static void register(StorageFormatRegistry registry) {
CustomOptions.registerAllExtensions(registry.getExtensionRegistry());
registry.registerStorageFormat(CommonProtobuf.protobufRow, identifier, FDBProtobufStorageDescription.class, new FDBProtobufStorageFormat());
}
public FDBProtobufStorageDescription readProtobuf(Storage pbStorage, HasStorage forObject, FDBProtobufStorageDescription storageDescription) {
if (storageDescription == null) {
storageDescription = new FDBProtobufStorageDescription(forObject, identifier);
}
storageDescription.readProtobuf(pbStorage.getExtension(CommonProtobuf.protobufRow));
return storageDescription;
}
public FDBProtobufStorageDescription parseSQL(StorageFormatNode node, HasStorage forObject) {
FDBProtobufStorageDescription storageDescription = new FDBProtobufStorageDescription(forObject,identifier);
String singleTableOption = node.getOptions().get("no_group");
boolean singleTable = (singleTableOption != null) && Boolean.valueOf(singleTableOption);
String noTupleOption = node.getOptions().get("no_tuple");
boolean noTuple = (noTupleOption != null) && Boolean.valueOf(noTupleOption);
storageDescription.setFormatType(singleTable ?
CommonProtobuf.ProtobufRowFormat.Type.SINGLE_TABLE :
CommonProtobuf.ProtobufRowFormat.Type.GROUP_MESSAGE);
storageDescription.setUsage(noTuple ?
null :
FDBProtobuf.TupleUsage.KEY_ONLY);
return storageDescription;
}
}