| /** |
| * 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.apache.apex.malhar.sql.sample; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import org.apache.apex.malhar.sql.SQLExecEnvironment; |
| import org.apache.commons.io.FileUtils; |
| import org.apache.hadoop.conf.Configuration; |
| |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.api.StreamingApplication; |
| import com.datatorrent.api.annotation.ApplicationAnnotation; |
| |
| @ApplicationAnnotation(name = "SQLApplicationWithModelFile") |
| public class SQLApplicationWithModelFile implements StreamingApplication |
| { |
| @Override |
| public void populateDAG(DAG dag, Configuration conf) |
| { |
| String modelFile = conf.get("modelFile"); |
| String model; |
| try { |
| model = FileUtils.readFileToString(new File(modelFile)); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| |
| SQLExecEnvironment.getEnvironment() |
| .withModel(model) |
| .executeSQL(dag, conf.get("sql")); |
| } |
| } |