1 | package com.framsticks.structure; |
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2 | |
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3 | import org.apache.logging.log4j.Logger; |
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4 | import org.apache.logging.log4j.LogManager; |
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5 | |
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6 | import com.framsticks.params.Access; |
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7 | import com.framsticks.params.CompositeParam; |
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8 | import com.framsticks.params.EventListener; |
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9 | import com.framsticks.params.FramsClass; |
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10 | import com.framsticks.params.ParamBuilder; |
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11 | import com.framsticks.params.PrimitiveParam; |
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12 | import com.framsticks.params.annotations.AutoAppendAnnotation; |
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13 | import com.framsticks.params.annotations.FramsClassAnnotation; |
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14 | import com.framsticks.params.types.EventParam; |
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15 | import com.framsticks.params.types.ProcedureParam; |
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16 | import com.framsticks.util.FramsticksException; |
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17 | import com.framsticks.util.dispatching.Dispatcher; |
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18 | import com.framsticks.util.dispatching.DispatcherSetable; |
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19 | import com.framsticks.util.dispatching.Dispatching; |
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20 | import com.framsticks.util.dispatching.FutureHandler; |
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21 | import com.framsticks.util.dispatching.Joinable; |
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22 | import com.framsticks.util.dispatching.JoinableState; |
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23 | import com.framsticks.util.lang.Casting; |
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24 | |
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25 | import static com.framsticks.structure.TreeOperations.*; |
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26 | |
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27 | @FramsClassAnnotation |
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28 | public final class LocalTree extends AbstractTree { |
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29 | private static final Logger log = LogManager.getLogger(LocalTree.class); |
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30 | |
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31 | protected Joinable joinableRootObject; |
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32 | |
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33 | /** |
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34 | * |
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35 | */ |
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36 | public LocalTree() { |
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37 | super(); |
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38 | bufferedDispatcher.setBuffer(false); |
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39 | } |
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40 | |
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41 | @SuppressWarnings({ "rawtypes", "unchecked" }) |
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42 | @AutoAppendAnnotation |
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43 | public void setRootObject(Object object) { |
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44 | final Class<?> javaClass = object.getClass(); |
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45 | registry.registerAndBuild(javaClass); |
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46 | |
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47 | Access access = registry.createAccess(javaClass); |
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48 | |
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49 | assignRootParam(access.buildParam(new ParamBuilder()).id(getName()).finish(CompositeParam.class)); |
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50 | assignRootObject(object); |
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51 | |
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52 | if (object instanceof Joinable) { |
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53 | joinableRootObject = (Joinable) object; |
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54 | } |
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55 | if (object instanceof DispatcherSetable) { |
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56 | DispatcherSetable<?> setable = (DispatcherSetable<?>) object; |
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57 | setable.setDispatcher((Dispatcher) this); |
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58 | } |
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59 | } |
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60 | |
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61 | public Object getRootObject() { |
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62 | Object result = getAssignedRoot().getObject(); |
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63 | if (result == null) { |
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64 | throw new FramsticksException().msg("object tree is empty").arg("tree", this); |
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65 | } |
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66 | return result; |
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67 | } |
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68 | |
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69 | public <T> T getRootObject(Class<T> type) { |
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70 | Object result = getRootObject(); |
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71 | if (!type.isInstance(result)) { |
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72 | throw new FramsticksException().msg("object tree holds object of different kind").arg("object", result).arg("requested", type).arg("tree", this); |
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73 | } |
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74 | return type.cast(result); |
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75 | } |
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76 | |
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77 | @Override |
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78 | public void get(Path path, FutureHandler<Path> future) { |
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79 | assert isActive(); |
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80 | log.debug("requesting: {}", path); |
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81 | path = resolveTopSync(path); |
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82 | future.pass(path); |
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83 | } |
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84 | |
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85 | // @Override |
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86 | // public void get(Path path, ValueParam param, Future<Object> future) { |
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87 | // assert isActive(); |
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88 | // path = resolveTopSync(path); |
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89 | // future.pass(bindAccess(path).get(param, Object.class)); |
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90 | // } |
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91 | |
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92 | @Override |
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93 | public <R> void call(Path path, ProcedureParam param, Object[] arguments, Class<R> resultType, FutureHandler<R> future) { |
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94 | assert isActive(); |
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95 | try { |
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96 | Object result = bindAccess(path).call(param, arguments); |
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97 | future.pass(Casting.nullOrThrowCast(resultType, result)); |
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98 | } catch (FramsticksException e) { |
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99 | future.handle(e); |
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100 | } |
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101 | } |
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102 | |
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103 | @Override |
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104 | public void info(Path path, FutureHandler<FramsClass> future) { |
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105 | assert isActive(); |
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106 | Path p = path.tryResolveIfNeeded(); |
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107 | Class<?> javaClass = p.getTopObject().getClass(); |
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108 | FramsClass framsClass = registry.registerReflectedIfNeeded(javaClass); |
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109 | if (framsClass != null) { |
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110 | future.pass(framsClass); |
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111 | } else { |
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112 | future.handle(new FramsticksException().msg("failed to find info for class").arg("java class", javaClass)); |
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113 | } |
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114 | } |
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115 | |
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116 | protected Path resolveTopSync(Path path) { |
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117 | assert isActive(); |
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118 | assert path.isOwner(this); |
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119 | if (path.getTop().getObject() != null) { |
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120 | return path; |
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121 | } |
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122 | Access access = bindAccess(path.getUnder()); |
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123 | Object object = access.get(path.getTop().getParam(), Object.class); |
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124 | if (object == null) { |
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125 | throw new FramsticksException().msg("failed to resolve").arg("path", path); |
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126 | } |
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127 | return path.appendResolution(object); |
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128 | } |
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129 | |
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130 | |
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131 | @Override |
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132 | public void set(Path path, PrimitiveParam<?> param, Object value, final FutureHandler<Integer> future) { |
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133 | assert isActive(); |
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134 | future.pass(bindAccess(path).set(param, value)); |
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135 | } |
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136 | |
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137 | public <A> void addListener(Path path, EventParam param, EventListener<A> listener, Class<A> argumentType, FutureHandler<Void> future) { |
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138 | assert isActive(); |
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139 | try { |
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140 | bindAccess(path).reg(param, listener); |
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141 | future.pass(null); |
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142 | } catch (FramsticksException e) { |
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143 | future.handle(e); |
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144 | } |
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145 | } |
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146 | |
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147 | public void removeListener(Path path, EventParam param, EventListener<?> listener, FutureHandler<Void> future) { |
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148 | assert isActive(); |
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149 | try { |
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150 | bindAccess(path).regRemove(param, listener); |
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151 | future.pass(null); |
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152 | } catch (FramsticksException e) { |
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153 | future.handle(e); |
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154 | } |
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155 | } |
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156 | |
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157 | @Override |
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158 | protected void joinableStart() { |
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159 | super.joinableStart(); |
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160 | if (joinableRootObject != null) { |
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161 | Dispatching.use(joinableRootObject, this); |
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162 | } |
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163 | } |
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164 | |
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165 | @Override |
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166 | protected void joinableInterrupt() { |
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167 | if (joinableRootObject != null) { |
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168 | Dispatching.drop(joinableRootObject, this); |
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169 | } |
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170 | super.joinableInterrupt(); |
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171 | } |
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172 | |
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173 | @Override |
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174 | protected void joinableFinish() { |
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175 | super.joinableFinish(); |
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176 | } |
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177 | |
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178 | @Override |
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179 | protected void joinableJoin() throws InterruptedException { |
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180 | if (joinableRootObject != null) { |
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181 | Dispatching.join(joinableRootObject); |
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182 | } |
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183 | super.joinableJoin(); |
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184 | } |
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185 | |
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186 | @Override |
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187 | public void childChangedState(Joinable joinable, JoinableState state) { |
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188 | super.childChangedState(joinable, state); |
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189 | if (joinable == joinableRootObject) { |
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190 | proceedToState(state); |
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191 | } |
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192 | } |
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193 | |
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194 | } |
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