2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.sdc.healing.impl;
23 import org.openecomp.core.utilities.file.FileUtils;
24 import org.openecomp.core.utilities.json.JsonUtil;
25 import org.openecomp.sdc.common.errors.Messages;
26 import org.openecomp.sdc.datatypes.error.ErrorLevel;
27 import org.openecomp.sdc.healing.api.HealingManager;
28 import org.openecomp.sdc.healing.interfaces.Healer;
29 import org.openecomp.sdc.healing.types.HealCode;
30 import org.openecomp.sdc.logging.context.impl.MdcDataErrorMessage;
31 import org.openecomp.sdc.logging.types.LoggerConstants;
32 import org.openecomp.sdc.logging.types.LoggerErrorCode;
33 import org.openecomp.sdc.logging.types.LoggerErrorDescription;
34 import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
36 import java.lang.reflect.Constructor;
40 * Created by Talio on 11/29/2016.
42 public class HealingManagerImpl implements HealingManager {
43 private static String HEALING_CONF_FILE = "healingConfiguration.json";
44 private static Map<String, String> healerCodeToImplClass = initHealers();
47 public Object heal(HealCode code, Map<String, Object> healParameters) {
48 String implClassName = healerCodeToImplClass.get(code.name());
50 Healer healerImpl = getHealerImplInstance(implClassName);
51 return healerImpl.heal(healParameters);
53 } catch (Exception e) {
54 MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
55 LoggerTragetServiceName.SELF_HEALING, ErrorLevel.ERROR.name(), LoggerErrorCode
56 .DATA_ERROR.getErrorCode(), LoggerErrorDescription.CANT_HEAL);
57 throw new RuntimeException(String.format(Messages.CANT_LOAD_CLASS.getErrorMessage(),
58 implClassName, e.getMessage()));
63 public void healAll(Map<String, Object> healParameters) {
64 for (String implClassName : healerCodeToImplClass.values()) {
66 Healer healerImpl = getHealerImplInstance(implClassName);
67 healerImpl.heal(healParameters);
68 } catch (Exception e) {
69 MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
70 LoggerTragetServiceName.SELF_HEALING, ErrorLevel.ERROR.name(), LoggerErrorCode
71 .DATA_ERROR.getErrorCode(), LoggerErrorDescription.CANT_HEAL);
72 throw new RuntimeException(String.format(Messages.CANT_LOAD_CLASS.getErrorMessage(),
73 implClassName, e.getMessage()));
78 private static Map<String, String> initHealers() {
79 return FileUtils.readViaInputStream(HEALING_CONF_FILE, stream -> JsonUtil.json2Object(stream, Map.class));
82 private Healer getHealerImplInstance(String implClassName)
83 throws ClassNotFoundException, NoSuchMethodException, InstantiationException,
84 IllegalAccessException, java.lang.reflect.InvocationTargetException {
85 Class<?> clazz = Class.forName(implClassName);
86 Constructor<?> constructor = clazz.getConstructor();
87 return (Healer) constructor.newInstance();