common-app-api/src/main/java/org/openecomp/sdc/be/config/ConfigurationManager.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * SDC
   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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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=========================================================
  19  */
  20
  21 package org.openecomp.sdc.be.config;
  22
  23 import org.openecomp.sdc.common.api.BasicConfiguration;
  24 import org.openecomp.sdc.common.api.ConfigurationListener;
  25 import org.openecomp.sdc.common.api.ConfigurationSource;
  26 import org.openecomp.sdc.common.api.FileChangeCallback;
  27 import org.openecomp.sdc.common.config.EcompErrorConfiguration;
  28 import org.openecomp.sdc.common.config.IEcompConfigurationManager;
  29
  30 import java.util.HashMap;
  31 import java.util.Map;
  32
  33 public class ConfigurationManager implements FileChangeCallback, IEcompConfigurationManager {
  34
  35         ConfigurationSource configurationSource = null;
  36         private static ConfigurationManager instance;
  37
  38         public ConfigurationManager(ConfigurationSource configurationSource) {
  39                 super();
  40                 this.configurationSource = configurationSource;
  41                 loadConfigurationFiles();
  42                 instance = this;
  43         }
  44
  45         Map<String, Object> configurations = new HashMap<>();
  46
  47         private void loadConfigurationFiles() {
  48
  49                 loadConfigurationClass(Configuration.class);
  50                 loadConfigurationClass(ErrorConfiguration.class);
  51                 loadConfigurationClass(Neo4jErrorsConfiguration.class);
  52                 loadConfigurationClass(EcompErrorConfiguration.class);
  53                 loadConfigurationClass(DistributionEngineConfiguration.class);
  54         }
  55
  56         private <T extends BasicConfiguration> void loadConfigurationClass(Class<T> clazz) {
  57                 ConfigurationListener configurationListener = new ConfigurationListener(clazz, this);
  58
  59                 T object = configurationSource.getAndWatchConfiguration(clazz, configurationListener);
  60
  61                 configurations.put(getKey(clazz), object);
  62         }
  63
  64         private <T> String getKey(Class<T> class1) {
  65
  66                 return class1.getSimpleName();
  67
  68         }
  69
  70         public Configuration getConfiguration() {
  71
  72                 return (Configuration) configurations.get(getKey(Configuration.class));
  73
  74         }
  75
  76         public void setConfiguration(Configuration configuration) {
  77
  78                 configurations.put(getKey(Configuration.class), configuration);
  79
  80         }
  81
  82         public void setErrorConfiguration(ErrorConfiguration configuration) {
  83
  84                 configurations.put(getKey(ErrorConfiguration.class), configuration);
  85
  86         }
  87
  88         public ErrorConfiguration getErrorConfiguration() {
  89
  90                 return (ErrorConfiguration) configurations.get(getKey(ErrorConfiguration.class));
  91
  92         }
  93
  94         public Neo4jErrorsConfiguration getNeo4jErrorsConfiguration() {
  95                 return (Neo4jErrorsConfiguration) configurations.get(getKey(Neo4jErrorsConfiguration.class));
  96         }
  97
  98         @Override
  99         public EcompErrorConfiguration getEcompErrorConfiguration() {
 100
 101                 return (EcompErrorConfiguration) configurations.get(getKey(EcompErrorConfiguration.class));
 102
 103         }
 104
 105         public Configuration getConfigurationAndWatch(ConfigurationListener configurationListener) {
 106
 107                 if (configurationListener != null) {
 108
 109                         configurationSource.addWatchConfiguration(Configuration.class, configurationListener);
 110
 111                 }
 112                 return (Configuration) configurations.get(getKey(Configuration.class));
 113
 114         }
 115
 116         public static ConfigurationManager getConfigurationManager() {
 117                 return instance;
 118         }
 119
 120         public void reconfigure(BasicConfiguration obj) {
 121
 122                 // if (obj != null) {
 123
 124                 // if (obj instanceof Configuration) {
 125                 // configurations.put(getKey(Configuration.class), obj);
 126                 // }
 127                 // if (obj instanceof ErrorConfiguration) {
 128                 // configurations.put(getKey(ErrorConfiguration.class), obj);
 129                 // }
 130                 //
 131                 // if (obj instanceof EcompErrorConfiguration) {
 132                 // configurations.put(getKey(EcompErrorConfiguration.class), obj);
 133                 // }
 134                 // }
 135
 136         }
 137
 138         /**
 139          * FOR TEST ONLY
 140          *
 141          * @param ecompErrorConfiguration
 142          */
 143         public void setEcompErrorConfiguration(EcompErrorConfiguration ecompErrorConfiguration) {
 144
 145                 configurations.put(getKey(EcompErrorConfiguration.class), ecompErrorConfiguration);
 146
 147         }
 148
 149         public DistributionEngineConfiguration getDistributionEngineConfiguration() {
 150
 151                 return (DistributionEngineConfiguration) configurations.get(getKey(DistributionEngineConfiguration.class));
 152
 153         }
 154 }