com.uber.tchannel.thrift.GetValueRequestHandler Maven / Gradle / Ivy
/*
* Copyright (c) 2015 Uber Technologies, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.uber.tchannel.thrift;
import java.util.Map;
import com.uber.tchannel.api.handlers.ThriftRequestHandler;
import com.uber.tchannel.messages.ThriftRequest;
import com.uber.tchannel.messages.ThriftResponse;
import com.uber.tchannel.thrift.generated.KeyValue;
import com.uber.tchannel.thrift.generated.NotFoundError;
public class GetValueRequestHandler extends ThriftRequestHandler {
protected final Map keyValueStore;
public GetValueRequestHandler(Map keyValueStore) {
this.keyValueStore = keyValueStore;
}
@Override
public ThriftResponse handleImpl(ThriftRequest request) {
String key = request.getBody(KeyValue.getValue_args.class).getKey();
String value = this.keyValueStore.get(key);
NotFoundError err = null;
if (value == null) {
err = new NotFoundError(key);
}
return new ThriftResponse.Builder(request)
.setBody(new KeyValue.getValue_result(value, err))
.build();
}
}