/*
* 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.signatures.aggregation;
import com.eightkdata.mongowp.server.api.Command;
import com.eightkdata.mongowp.server.api.CommandImplementation;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.torodb.mongodb.commands.signatures.aggregation.CountCommand.CountArgument;
import java.util.Iterator;
import java.util.Map;
/**
*
*/
public class AggregationCommands implements Iterable<Command> {
private final ImmutableList<Command> commands = ImmutableList.<Command>of(
CountCommand.INSTANCE
);
@Override
public Iterator<Command> iterator() {
return commands.iterator();
}
@SuppressWarnings("checkstyle:LineLength")
public abstract static class AggregationCommandsImplementationsBuilder<ContextT> implements
Iterable<Map.Entry<Command<?, ?>, CommandImplementation<?, ?, ? super ContextT>>> {
public abstract CommandImplementation<CountArgument, Long, ? super ContextT> getCountImplementation();
private Map<Command<?, ?>, CommandImplementation<?, ?, ? super ContextT>> createMap() {
return ImmutableMap.<Command<?, ?>, CommandImplementation<?, ?, ? super ContextT>>builder()
.put(CountCommand.INSTANCE, getCountImplementation())
.build();
}
@Override
public Iterator<Map.Entry<Command<?, ?>, CommandImplementation<?, ?, ? super ContextT>>> iterator() {
return createMap().entrySet().iterator();
}
}
}