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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.healing.impl;
import org.openecomp.sdc.datatypes.error.ErrorLevel;
import org.openecomp.sdc.healing.interfaces.Healer;
import org.openecomp.core.utilities.file.FileUtils;
import org.openecomp.sdc.healing.types.HealCode;
import org.openecomp.core.utilities.json.JsonUtil;
import org.openecomp.sdc.healing.api.HealingManager;
import org.openecomp.sdc.common.errors.Messages;
import org.openecomp.sdc.logging.context.impl.MdcDataErrorMessage;
import org.openecomp.sdc.logging.types.LoggerConstants;
import org.openecomp.sdc.logging.types.LoggerErrorCode;
import org.openecomp.sdc.logging.types.LoggerErrorDescription;
import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
import java.io.InputStream;
import java.lang.reflect.Constructor;
import java.util.Map;
/**
* Created by Talio on 11/29/2016.
*/
public class HealingManagerImpl implements HealingManager {
private static String HEALING_CONF_FILE = "healingConfiguration.json";
private static Map<String, String> healerCodeToImplClass = initHealers();
@Override
public Object heal(HealCode code, Map<String, Object> healParameters) {
String implClassName = healerCodeToImplClass.get(code.name());
try {
Healer healerImpl = getHealerImplInstance(implClassName);
return healerImpl.heal(healParameters);
} catch (Exception e) {
MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
LoggerTragetServiceName.SELF_HEALING, ErrorLevel.ERROR.name(), LoggerErrorCode
.DATA_ERROR.getErrorCode(), LoggerErrorDescription.CANT_HEAL);
throw new RuntimeException(String.format(Messages.CANT_LOAD_CLASS.getErrorMessage(),
implClassName, e.getMessage()));
}
}
@Override
public void healAll(Map<String, Object> healParameters) {
for (String implClassName : healerCodeToImplClass.values()) {
try {
Healer healerImpl = getHealerImplInstance(implClassName);
healerImpl.heal(healParameters);
} catch (Exception e) {
MdcDataErrorMessage.createErrorMessageAndUpdateMdc(LoggerConstants.TARGET_ENTITY_DB,
LoggerTragetServiceName.SELF_HEALING, ErrorLevel.ERROR.name(), LoggerErrorCode
.DATA_ERROR.getErrorCode(), LoggerErrorDescription.CANT_HEAL);
throw new RuntimeException(String.format(Messages.CANT_LOAD_CLASS.getErrorMessage(),
implClassName, e.getMessage()));
}
}
}
private static Map<String, String> initHealers() {
InputStream healingConfigurationJson = FileUtils.getFileInputStream(HEALING_CONF_FILE);
return JsonUtil.json2Object(healingConfigurationJson, Map.class);
}
private Healer getHealerImplInstance(String implClassName)
throws ClassNotFoundException, NoSuchMethodException, InstantiationException,
IllegalAccessException, java.lang.reflect.InvocationTargetException {
Class<?> clazz = Class.forName(implClassName);
Constructor<?> constructor = clazz.getConstructor();
return (Healer) constructor.newInstance();
}
}
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