| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.apache.storm.elasticsearch; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| import org.apache.storm.elasticsearch.response.LookupResponse; |
| import org.apache.storm.tuple.Fields; |
| import org.apache.storm.tuple.Values; |
| import org.elasticsearch.client.Response; |
| |
| /** |
| * Default implementation of {@link EsLookupResultOutput}. |
| * Outputs the index, type, id and source as strings. |
| */ |
| public class DefaultEsLookupResultOutput implements EsLookupResultOutput { |
| |
| private static final long serialVersionUID = 2932278450655703239L; |
| |
| private ObjectMapper objectMapper; |
| |
| public DefaultEsLookupResultOutput(ObjectMapper objectMapper) { |
| super(); |
| this.objectMapper = objectMapper; |
| } |
| |
| @Override |
| public Collection<Values> toValues(Response response) { |
| LookupResponse lookupResponse; |
| try { |
| lookupResponse = objectMapper.readValue(response.getEntity().getContent(), LookupResponse.class); |
| } catch (UnsupportedOperationException | IOException e) { |
| throw new IllegalArgumentException("Response " + response + " is invalid", e); |
| } |
| return Collections.singleton(new Values( |
| lookupResponse.getIndex(), |
| lookupResponse.getType(), |
| lookupResponse.getId(), |
| lookupResponse.getSource())); |
| } |
| |
| @Override |
| public Fields fields() { |
| return new Fields("index", "type", "id", "source"); |
| } |
| |
| } |