1 | using System.Collections.Generic;
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2 | using System;
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3 | using System.Text;
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4 | using HeuristicLab.Persistence.Interfaces;
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5 | using HeuristicLab.Persistence.Core;
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6 | using System.IO;
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7 | using ICSharpCode.SharpZipLib.Zip;
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8 | using HeuristicLab.Tracing;
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9 | using log4net;
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10 | using HeuristicLab.Persistence.Core.Tokens;
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11 |
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12 | namespace HeuristicLab.Persistence.Default.Xml {
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13 |
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14 | public class XmlGenerator : GeneratorBase<string> {
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15 |
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16 | private int depth;
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17 | private int Depth {
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18 | get {
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19 | return depth;
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20 | }
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21 | set {
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22 | depth = value;
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23 | prefix = new string(' ', depth * 2);
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24 | }
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25 | }
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26 |
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27 | private string prefix;
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28 |
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29 |
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30 | public XmlGenerator() {
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31 | Depth = 0;
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32 | }
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33 |
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34 | private enum NodeType { Start, End, Inline } ;
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35 |
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36 | private static void AddXmlTagContent(StringBuilder sb, string name, Dictionary<string, object> attributes) {
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37 | sb.Append(name);
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38 | foreach (var attribute in attributes) {
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39 | if (attribute.Value != null && !string.IsNullOrEmpty(attribute.Value.ToString())) {
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40 | sb.Append(' ');
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41 | sb.Append(attribute.Key);
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42 | sb.Append("=\"");
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43 | sb.Append(attribute.Value);
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44 | sb.Append('"');
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45 | }
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46 | }
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47 | }
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48 |
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49 | private static void AddXmlStartTag(StringBuilder sb, string name, Dictionary<string, object> attributes) {
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50 | sb.Append('<');
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51 | AddXmlTagContent(sb, name, attributes);
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52 | sb.Append('>');
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53 | }
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54 |
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55 | private static void AddXmlInlineTag(StringBuilder sb, string name, Dictionary<string, object> attributes) {
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56 | sb.Append('<');
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57 | AddXmlTagContent(sb, name, attributes);
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58 | sb.Append("/>");
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59 | }
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60 |
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61 | private static void AddXmlEndTag(StringBuilder sb, string name) {
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62 | sb.Append("</");
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63 | sb.Append(name);
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64 | sb.Append(">");
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65 | }
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66 |
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67 | private string CreateNodeStart(string name, Dictionary<string, object> attributes) {
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68 | StringBuilder sb = new StringBuilder();
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69 | sb.Append(prefix);
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70 | Depth += 1;
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71 | AddXmlStartTag(sb, name, attributes);
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72 | sb.Append("\r\n");
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73 | return sb.ToString();
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74 | }
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75 |
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76 | private string CreateNodeStart(string name) {
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77 | return CreateNodeStart(name, new Dictionary<string, object>());
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78 | }
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79 |
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80 | private string CreateNodeEnd(string name) {
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81 | Depth -= 1;
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82 | StringBuilder sb = new StringBuilder();
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83 | sb.Append(prefix);
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84 | AddXmlEndTag(sb, name);
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85 | sb.Append("\r\n");
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86 | return sb.ToString();
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87 | }
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88 |
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89 | private string CreateNode(string name, Dictionary<string, object> attributes) {
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90 | StringBuilder sb = new StringBuilder();
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91 | sb.Append(prefix);
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92 | AddXmlInlineTag(sb, name, attributes);
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93 | sb.Append("\r\n");
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94 | return sb.ToString();
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95 | }
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96 |
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97 | private string CreateNode(string name, Dictionary<string, object> attributes, string content) {
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98 | StringBuilder sb = new StringBuilder();
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99 | sb.Append(prefix);
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100 | AddXmlStartTag(sb, name, attributes);
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101 | sb.Append(content);
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102 | sb.Append("</").Append(name).Append(">\r\n");
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103 | return sb.ToString();
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104 | }
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105 |
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106 | protected override string Format(BeginToken beginToken) {
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107 | return CreateNodeStart(
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108 | XmlStringConstants.COMPOSITE,
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109 | new Dictionary<string, object> {
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110 | {"name", beginToken.Name},
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111 | {"typeId", beginToken.TypeId},
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112 | {"id", beginToken.Id}});
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113 | }
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114 |
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115 | protected override string Format(EndToken endToken) {
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116 | return CreateNodeEnd(XmlStringConstants.COMPOSITE);
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117 | }
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118 |
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119 | protected override string Format(PrimitiveToken dataToken) {
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120 | return CreateNode(XmlStringConstants.PRIMITIVE,
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121 | new Dictionary<string, object> {
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122 | {"typeId", dataToken.TypeId},
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123 | {"name", dataToken.Name},
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124 | {"id", dataToken.Id}},
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125 | ((XmlString)dataToken.SerialData).Data);
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126 | }
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127 |
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128 | protected override string Format(ReferenceToken refToken) {
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129 | return CreateNode(XmlStringConstants.REFERENCE,
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130 | new Dictionary<string, object> {
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131 | {"ref", refToken.Id},
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132 | {"name", refToken.Name}});
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133 | }
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134 |
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135 | protected override string Format(NullReferenceToken nullRefToken) {
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136 | return CreateNode(XmlStringConstants.NULL,
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137 | new Dictionary<string, object>{
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138 | {"name", nullRefToken.Name}});
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139 | }
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140 |
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141 | protected override string Format(MetaInfoBeginToken metaInfoBeginToken) {
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142 | return CreateNodeStart(XmlStringConstants.METAINFO);
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143 | }
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144 |
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145 | protected override string Format(MetaInfoEndToken metaInfoEndToken) {
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146 | return CreateNodeEnd(XmlStringConstants.METAINFO);
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147 | }
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148 |
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149 | public IEnumerable<string> Format(List<TypeMapping> typeCache) {
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150 | yield return CreateNodeStart(XmlStringConstants.TYPECACHE);
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151 | foreach (var mapping in typeCache)
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152 | yield return CreateNode(
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153 | XmlStringConstants.TYPE,
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154 | mapping.GetDict());
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155 | yield return CreateNodeEnd(XmlStringConstants.TYPECACHE);
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156 | }
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157 |
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158 | public static void Serialize(object o, string filename) {
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159 | Serialize(o, filename, ConfigurationService.Instance.GetDefaultConfig(new XmlFormat()));
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160 | }
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161 |
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162 | public static void Serialize(object obj, string filename, Configuration config) {
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163 | try {
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164 | Serializer serializer = new Serializer(obj, config);
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165 | XmlGenerator generator = new XmlGenerator();
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166 | ILog logger = Logger.GetDefaultLogger();
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167 | using (ZipOutputStream zipStream = new ZipOutputStream(File.Create(filename))) {
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168 | zipStream.SetLevel(9);
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169 | zipStream.PutNextEntry(new ZipEntry("data.xml"));
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170 | StreamWriter writer = new StreamWriter(zipStream);
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171 | foreach (ISerializationToken token in serializer) {
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172 | string line = generator.Format(token);
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173 | writer.Write(line);
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174 | logger.Debug(line.TrimEnd());
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175 | }
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176 | writer.Flush();
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177 | zipStream.PutNextEntry(new ZipEntry("typecache.xml"));
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178 | foreach (string line in generator.Format(serializer.TypeCache)) {
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179 | writer.Write(line);
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180 | logger.Debug(line.TrimEnd());
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181 | }
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182 | writer.Flush();
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183 | }
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184 | } catch (PersistenceException e) {
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185 | throw;
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186 | } catch (Exception e) {
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187 | throw new PersistenceException("Unexpected exception during Serialization.", e);
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188 | }
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189 | }
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190 | }
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191 | } |
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