/*
* ToroDB
* Copyright © 2014 8Kdata Technology (www.8kdata.com)
*
* 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.torodb.mongodb.commands.impl;
import com.eightkdata.mongowp.ErrorCode;
import com.eightkdata.mongowp.Status;
import com.eightkdata.mongowp.server.api.Command;
import com.eightkdata.mongowp.server.api.CommandImplementation;
import com.eightkdata.mongowp.server.api.Request;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
/**
*
*/
public final class NotImplementedCommandImplementation<A, R, ContextT> implements
CommandImplementation<A, R, ContextT> {
private static final Logger LOGGER =
LogManager.getLogger(NotImplementedCommandImplementation.class);
private static final NotImplementedCommandImplementation INSTANCE =
new NotImplementedCommandImplementation();
private NotImplementedCommandImplementation() {
}
public static <A, R, ContextT> NotImplementedCommandImplementation<A, R, ContextT> build() {
return INSTANCE;
}
@Override
public Status<R> apply(Request req, Command<? super A, ? super R> command, A arg,
ContextT context) {
LOGGER.warn("Command {} was called, but it is not supported", command.getCommandName());
return Status.from(ErrorCode.COMMAND_NOT_SUPPORTED, "Command not supported: " + command
.getCommandName());
}
}