| /** |
| * 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 com.datatorrent.stram.plan.logical; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| import javax.validation.ValidationException; |
| |
| import org.slf4j.Logger; |
| |
| import org.apache.apex.api.plugin.DAGSetupPlugin; |
| |
| import com.datatorrent.api.DAG; |
| import com.datatorrent.api.Operator; |
| |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| public class PropertyInjectorVisitor implements DAGSetupPlugin |
| { |
| private static final Logger LOG = getLogger(PropertyInjectorVisitor.class); |
| |
| private String path; |
| private Map<String, String> propertyMap = new HashMap<>(); |
| private DAG dag; |
| |
| @Override |
| public void setup(DAGSetupPluginContext context) |
| { |
| this.dag = context.getDAG(); |
| try { |
| this.path = context.getConfiguration().get("propertyVisitor.Path"); |
| Properties properties = new Properties(); |
| properties.load(this.getClass().getResourceAsStream(path)); |
| for (Map.Entry<Object, Object> entry : properties.entrySet()) { |
| propertyMap.put(entry.getKey().toString(), entry.getValue().toString()); |
| } |
| } catch (IOException ex) { |
| throw new ValidationException("Not able to load input file " + path); |
| } |
| } |
| |
| @Override |
| public void prePopulateDAG() |
| { |
| |
| } |
| |
| @Override |
| public void postPopulateDAG() |
| { |
| |
| } |
| |
| @Override |
| public void preConfigureDAG() |
| { |
| |
| } |
| |
| @Override |
| public void postConfigureDAG() |
| { |
| |
| } |
| |
| @Override |
| public void preValidateDAG() |
| { |
| for (DAG.OperatorMeta ometa : dag.getAllOperatorsMeta()) { |
| Operator o = ometa.getOperator(); |
| LogicalPlanConfiguration.setOperatorProperties(o, propertyMap); |
| } |
| } |
| |
| @Override |
| public void postValidateDAG() |
| { |
| |
| } |
| |
| public PropertyInjectorVisitor() |
| { |
| } |
| |
| public String getPath() |
| { |
| return path; |
| } |
| |
| public void setPath(String path) |
| { |
| this.path = path; |
| } |
| |
| @Override |
| public void teardown() |
| { |
| |
| } |
| } |