/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.waveprotocol.box.server.robots.operations;
import com.google.common.collect.Maps;
import com.google.wave.api.OperationRequest;
import com.google.wave.api.JsonRpcConstant.ParamsProperty;
import org.waveprotocol.box.server.robots.OperationContext;
import org.waveprotocol.wave.model.wave.ParticipantId;
/**
* {@link OperationService} that just returns an empty response. Used for
* robot.notify operation in the active robot and data api where we inspect this
* operation to see which protocol version it uses but not produce any results.
*
* @author ljvderijk@google.com (Lennard de Rijk)
*/
public final class DoNothingService implements OperationService {
public static DoNothingService create() {
return new DoNothingService();
}
private DoNothingService() {
}
@Override
public void execute(
OperationRequest operation, OperationContext context, ParticipantId participant) {
context.constructResponse(operation, Maps.<ParamsProperty, Object> newHashMap());
}
}