| /** |
| * 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.atlas.entitytransform; |
| |
| import org.apache.atlas.entitytransform.BaseEntityHandler.AtlasTransformableEntity; |
| import org.apache.atlas.model.impexp.AttributeTransform; |
| import org.apache.commons.collections.MapUtils; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| |
| |
| public class AtlasEntityTransformer { |
| private final List<Condition> conditions; |
| private final List<Action> actions; |
| |
| |
| public AtlasEntityTransformer(AttributeTransform attributeTransform, TransformerContext context) { |
| this(attributeTransform.getConditions(), attributeTransform.getAction(), context); |
| } |
| |
| public AtlasEntityTransformer(Map<String, String> conditions, Map<String, String> actions, TransformerContext context) { |
| this.conditions = createConditions(conditions, context); |
| this.actions = createActions(actions, context); |
| } |
| |
| public List<Condition> getConditions() { |
| return conditions; |
| } |
| |
| public List<Action> getActions() { |
| return actions; |
| } |
| |
| public void transform(AtlasTransformableEntity entity) { |
| if (entity != null) { |
| boolean matches = true; |
| |
| for (Condition condition : conditions) { |
| matches = matches && condition.matches(entity); |
| } |
| |
| if (matches) { |
| for (Action action : actions) { |
| action.apply(entity); |
| } |
| } |
| } |
| } |
| |
| private List<Condition> createConditions(Map<String, String> conditions, TransformerContext context) { |
| List<Condition> ret = new ArrayList<>(); |
| |
| if (MapUtils.isNotEmpty(conditions)) { |
| for (Map.Entry<String, String> entry : conditions.entrySet()) { |
| Condition condition = Condition.createCondition(entry.getKey(), entry.getValue(), context); |
| |
| ret.add(condition); |
| } |
| } |
| |
| return ret; |
| } |
| |
| private List<Action> createActions(Map<String, String> actions, TransformerContext context) { |
| List<Action> ret = new ArrayList<>(); |
| |
| if (MapUtils.isNotEmpty(actions)) { |
| for (Map.Entry<String, String> entry : actions.entrySet()) { |
| Action action = Action.createAction(entry.getKey(), entry.getValue(), context); |
| |
| ret.add(action); |
| } |
| } |
| |
| return ret; |
| } |
| } |