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| package org.qedeq.kernel.bo.control; |
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20 |
| import java.util.ArrayList; |
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21 |
| import java.util.HashMap; |
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22 |
| import java.util.Iterator; |
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23 |
| import java.util.List; |
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24 |
| import java.util.Map; |
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25 |
| |
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| import org.qedeq.kernel.common.LoadingState; |
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| import org.qedeq.kernel.common.ModuleAddress; |
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28 |
| import org.qedeq.kernel.common.QedeqBo; |
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29 |
| import org.qedeq.kernel.trace.Trace; |
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30 |
| import org.qedeq.kernel.utility.IoUtility; |
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31 |
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32 |
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| public class KernelQedeqBoPool { |
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38 |
| private static final Class CLASS = KernelQedeqBoPool.class; |
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39 |
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41 |
| private final Map bos = new HashMap(); |
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50 |
1029
| final synchronized KernelQedeqBo getKernelQedeqBo(final ModuleAddress address) {
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51 |
1029
| if (bos.containsKey(address)) {
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52 |
832
| return (KernelQedeqBo) bos.get(address);
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53 |
| } else { |
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54 |
197
| final KernelQedeqBo prop = new KernelQedeqBo(address);
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55 |
197
| bos.put(address, prop);
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56 |
197
| return prop;
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57 |
| } |
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58 |
| } |
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63 |
1
| final synchronized void removeAllModules() {
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64 |
1
| final String method = "removeAllModules()";
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65 |
1
| Trace.begin(CLASS, this, method);
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66 |
1
| try {
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67 |
1
| for (final Iterator iterator
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| = bos.entrySet().iterator(); |
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23
| iterator.hasNext(); ) {
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70 |
22
| Map.Entry entry = (Map.Entry) iterator.next();
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71 |
22
| final KernelQedeqBo prop = (KernelQedeqBo) entry.getValue();
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72 |
22
| prop.delete();
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73 |
| } |
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1
| bos.clear();
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75 |
| } catch (RuntimeException e) { |
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0
| Trace.trace(CLASS, this, method, e);
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77 |
| } finally { |
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1
| Trace.end(CLASS, this, method);
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79 |
| } |
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| } |
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85 |
70
| synchronized void validateDependencies() {
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86 |
70
| final String method = "validateDependencies";
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87 |
70
| boolean error = false;
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88 |
70
| Trace.begin(CLASS, this, method);
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89 |
70
| for (final Iterator iterator = bos.entrySet().iterator(); iterator.hasNext(); ) {
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90 |
993
| Map.Entry entry = (Map.Entry) iterator.next();
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91 |
993
| final KernelQedeqBo prop = (KernelQedeqBo) entry.getValue();
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92 |
993
| Trace.param(CLASS, this, method, "prop", prop);
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93 |
993
| if (!prop.hasLoadedRequiredModules()) {
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94 |
531
| continue;
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95 |
| } |
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96 |
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97 |
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98 |
462
| final KernelModuleReferenceList refs = prop.getKernelRequiredModules();
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99 |
462
| for (int i = 0; i < refs.size(); i++) {
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100 |
283
| final KernelQedeqBo ref = refs.getKernelQedeqBo(i);
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101 |
283
| final KernelModuleReferenceList dependents = (KernelModuleReferenceList)
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102 |
| IoUtility.getFieldContent(ref, "dependent"); |
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103 |
283
| if (!dependents.contains(prop)) {
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0
| Trace.fatal(CLASS, this, method, ref.getUrl() + " missing dependent module: "
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| + prop.getUrl(), null); |
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0
| error = true;
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| } |
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| } |
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111 |
462
| final KernelModuleReferenceList dependents = prop.getDependentModules();
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112 |
462
| for (int i = 0; i < dependents.size(); i++) {
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113 |
283
| final KernelQedeqBo dependent = dependents.getKernelQedeqBo(i);
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114 |
283
| final KernelModuleReferenceList refs2 = (KernelModuleReferenceList)
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115 |
| IoUtility.getFieldContent(dependent, "required"); |
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116 |
283
| if (!refs2.contains(prop)) {
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117 |
0
| Trace.fatal(CLASS, this, method, dependent.getUrl()
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118 |
| + " missing required module: " + prop.getUrl(), null); |
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119 |
0
| error = true;
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120 |
| } |
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121 |
| } |
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122 |
| } |
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123 |
70
| Trace.end(CLASS, this, method);
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126 |
70
| if (error) {
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127 |
0
| Error e = new Error("QEDEQ dependencies and status are flawed! This is a major error!");
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128 |
0
| Trace.fatal(CLASS, this, method, "Shutdown because of major validation error", e);
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129 |
0
| throw e;
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130 |
| } |
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131 |
| } |
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132 |
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133 |
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134 |
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135 |
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136 |
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137 |
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138 |
6
| final synchronized void removeModule(final KernelQedeqBo prop) {
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139 |
6
| final String method = "removeModule(KernelQedeqBo)";
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140 |
6
| Trace.begin(CLASS, this, method);
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141 |
6
| try {
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142 |
6
| Trace.trace(CLASS, this, method, "removing " + prop.getUrl());
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143 |
6
| bos.remove(prop.getModuleAddress());
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144 |
| } catch (RuntimeException e) { |
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145 |
0
| Trace.trace(CLASS, this, method, e);
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146 |
| } finally { |
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147 |
6
| Trace.end(CLASS, this, method);
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148 |
| } |
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149 |
| } |
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150 |
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152 |
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153 |
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154 |
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155 |
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156 |
31
| final synchronized ModuleAddress[] getAllLoadedModules() {
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157 |
31
| final String method = "getAllModules()";
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158 |
31
| Trace.begin(CLASS, this, method);
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159 |
31
| try {
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160 |
31
| final List list = new ArrayList();
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161 |
31
| for (final Iterator iterator = bos.entrySet().iterator(); iterator.hasNext(); ) {
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162 |
138
| Map.Entry entry = (Map.Entry) iterator.next();
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163 |
138
| final QedeqBo prop = (QedeqBo) entry.getValue();
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164 |
138
| if (prop.getLoadingState().getCode() >= LoadingState.STATE_LOADED.getCode()) {
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165 |
106
| list.add(prop.getModuleAddress());
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166 |
| } |
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167 |
| } |
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168 |
31
| return (ModuleAddress[]) list.toArray(new ModuleAddress[] {});
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169 |
| } finally { |
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170 |
31
| Trace.end(CLASS, this, method);
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171 |
| } |
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172 |
| } |
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173 |
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174 |
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175 |
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176 |
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177 |
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178 |
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179 |
0
| final synchronized int getNumberOfLoadedModules() {
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180 |
0
| return getAllLoadedModules().length;
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181 |
| } |
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182 |
| |
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183 |
| } |