2 * Class を定義し システムの管理下に置く.
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3 * 全てのクラスと pool が有効の場合インスタンスへの参照が保持される.
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4 * 1. X.Class.create( def, opt_final, opt_pool, opt_abstract ) でクラスを登録.
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5 * 2. コンストラクタ となるメソッドは、Constructor : function( arg ){ ... }, に書く.
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6 * 3. 通常通り new で インスタンス生成
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7 * 4. kill() でオブジェクトをクリーンして削除、pool が有効の場合は pool される.
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8 * 5. pool が有効の場合、new で pool されたインスタンスが返される.
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12 X.Class = ( function(){
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13 var CLASS_LIST = [],
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15 PRIVATE_CLASS_LIST = [],
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16 PRIVATE_DEF_LIST = [],
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17 CONSTRUCTOR = 'Constructor',
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18 killPrivateFlag = false,
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20 _slice = Array.prototype.slice;
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22 function copyArray( list ){
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23 //return _slice.call( list, 0 );
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24 var i = list.length, ret = new Array( i );
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26 ret[ --i ] = list[ i ];
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32 * var subClass = superClass.inherits( ... )
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33 * http://d.hatena.ne.jp/m-hiyama/20051018/1129605002
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35 function inherits( /* displayName, classSetting, opt_PrivateClass, props */ ){
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36 var args = copyArray( arguments ),
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39 superDef = X.Class._getClassDef( Super ),
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40 displayName = args[ 0 ],
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44 if( superDef.Final === true ) throw new Error( 'Class is final!' );
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46 if( X.Type.isString( displayName ) === true ){
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49 displayName = 'SubClass of ' + superDef.displayName;
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51 params.push( displayName );
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53 classSetting = args[ 0 ];
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54 if( X.Type.isNumber( classSetting ) === true ){
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55 if( superDef.isPrivate === true ) classSetting = classSetting | X.Class.PRIVATE_DATA;
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56 opt_super = !!( classSetting & X.Class.SUPER_ACCESS );
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57 params.push( classSetting );
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60 if( X.Class._getClass( args[ 0 ] ) ){
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61 params.push( args.shift() );
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63 if( superDef.privateClass ){
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64 params.push( superDef.privateClass );
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66 params.push( args[ 0 ] ); /* props */
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68 traits = new Super();
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70 klass = X.Class.create.apply( X.Class, params );
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72 if( opt_super === true ){
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73 def = X.Class._getClassDef( klass );
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74 def.Super = Super.prototype;
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75 def.SuperConstructor = superDef[ CONSTRUCTOR ];
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80 /* X.Class.create で作られたクラスのインスタンスが共通で備えるメソッド */
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83 var instance = this,
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84 klass = X.Class._getClass( instance ),
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85 def = X.Class._getClassDef( klass ),
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87 if( def.isPrivate === true && killPrivateFlag === false ){
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88 throw new Error( 'PrivateInstance.kill() work in PrivateUser.kill().' );
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90 killPrivateFlag = false; // onKill 内で PrivateInstance.kill() を防ぐため
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91 X.Type.isFunction( instance.onKill ) === true && instance.onKill();
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92 for( p in instance ){
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93 if( instance.hasOwnProperty && !instance.hasOwnProperty( p ) ) continue;
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94 delete instance[ p ];
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97 def.live && def.live.splice( def.live.indexOf( instance ), 1 );
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98 def.pool[ def.pool.length ] = instance;
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100 if( def.privateClass ){
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101 i = def.userList.indexOf( instance );
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103 data = X.Class._getPrivate( instance );
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104 killPrivateFlag = true;
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106 def.dataList.splice( i, 1 );
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107 def.userList.splice( i, 1 );
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111 // myCallback を受け取った API への通知
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116 * new の実体.コンストラクタの機能は instance.Constructor に書く.
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117 * これにより pool された オブジェクト(破棄されたインスタンス) を再利用できる
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119 /* Constructor Real for GeneralClass */
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120 function C( args ){
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122 def = X.Class._getClassDef( klass ),
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123 dataUser = def._tempUser,
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126 if( def.Abstract === true ){
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127 throw new Error( 'AbstractClass!' );
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129 if( def.isPrivate === true && dataUser === null ){
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130 throw new Error( 'use myClass.newPrivate( instance, ...args )!' );
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132 klass.__new = null;
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133 instance = def.pool && def.pool.length > 0 ? def.pool.pop() : new klass();
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135 if( def.isPrivate === true ){
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136 userDef = X.Class._getClassDef( dataUser );
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137 userDef.dataList.push( instance );
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138 userDef.userList.push( dataUser );
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139 instance.User = dataUser;
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140 def._tempUser = null;
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142 def.live && def.live.push( instance );
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145 instance.Super = def.Super;
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146 instance.SuperConstructor = superConstructor;
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148 def[ CONSTRUCTOR ] && def[ CONSTRUCTOR ].apply( instance, args );
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152 function superConstructor(){
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153 X.Class._getClassDef( this ).SuperConstructor.apply( this, arguments );
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162 create : function( /* displayName, classSetting, opt_PrivateClass, props */ ){
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163 var args = copyArray( arguments ),
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164 displayName = args[ 0 ],
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166 opt_pool, opt_abstract, opt_final, opt_private,
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171 if( X.Type.isString( displayName ) === true ){
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172 classDef.displayName = displayName;
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175 classSetting = args[ 0 ];
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176 if( X.Type.isNumber( classSetting ) === true ){
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177 opt_pool = !!( classSetting & X.Class.POOL_OBJECT );
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178 opt_abstract = !!( classSetting & X.Class.ABSTRACT );
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179 opt_final = !!( classSetting & X.Class.FINAL );
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180 opt_private = !!( classSetting & X.Class.PRIVATE_DATA );
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181 if( opt_final === true && opt_abstract === true ){
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182 throw new Error( 'final & Abstract!' );
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187 if( PRIVATE_CLASS_LIST.indexOf( args[ 0 ] ) !== -1 ){
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188 privateDef = X.Class._getClassDef( args[ 0 ] );
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189 if( privateDef.isPrivate !== true ){
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190 throw new Error( 'PrivateClass not found! please, X.Class.create( X.Class.PRIVATE, {...} ).' );
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192 if( privateDef.Abstract === true ){
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193 throw new Error( 'PrivateClass is Abstract!' );
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195 classDef.privateClass = args.shift();
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198 if( props === null || X.Type.isObject( props ) === false ){
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199 throw new Error( 'No Class Def!' );
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202 if( X.Type.isFunction( props[ CONSTRUCTOR ] ) === true ){
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203 classDef[ CONSTRUCTOR ] = props[ CONSTRUCTOR ];
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206 klass = new Function( 'var a=arguments,f=a.callee;if(f.__new)return f.__new(a)' );
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208 klass.prototype = X.Class._override( X.Class._override( traits || klass.prototype, props, true ), CommonProps, false );
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209 klass.name = displayName;
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211 if( opt_abstract === true ){
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212 classDef.Abstract = true;
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214 if( opt_pool === true ){
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215 classDef.pool = [];
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216 if( opt_private === false ) classDef.live = [];
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218 if( opt_final === true ){
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219 classDef.Final = true;
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221 klass.inherits = inherits;
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223 if( opt_private === true ){
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224 if( classDef.privateClass ){
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225 throw new Error( 'Private Data Class has no PrivateClass!' );
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227 classDef.isPrivate = true;
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228 PRIVATE_CLASS_LIST.push( klass );
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229 PRIVATE_DEF_LIST.push( classDef );
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231 CLASS_LIST.push( klass );
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232 DEF_LIST.push( classDef );
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236 sys_shutdown : function(){
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239 _getClass : function( instance ){
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240 var cList = CLASS_LIST,
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244 klass = cList[ --i ];
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245 if( instance instanceof klass ) return klass;
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247 cList = PRIVATE_CLASS_LIST;
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250 klass = cList[ --i ];
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251 if( instance instanceof klass ) return klass;
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254 if( cList.indexOf( instance ) !== -1 ) return instance;
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255 if( CLASS_LIST.indexOf( instance ) !== -1 ) return instance;
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257 _getClassDef : function( KlassOrInstance ){
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258 var i = CLASS_LIST.indexOf( KlassOrInstance );
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259 if( i === -1 ) i = CLASS_LIST.indexOf( X.Class._getClass( KlassOrInstance ) );
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260 if( i !== -1 ) return DEF_LIST[ i ];
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262 i = PRIVATE_CLASS_LIST.indexOf( KlassOrInstance );
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263 if( i === -1 ) i = PRIVATE_CLASS_LIST.indexOf( X.Class._getClass( KlassOrInstance ) );
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264 if( i !== -1 ) return PRIVATE_DEF_LIST[ i ];
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266 if( DEF_LIST.indexOf( KlassOrInstance ) !== -1 ) return KlassOrInstance;
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267 if( PRIVATE_DEF_LIST.indexOf( KlassOrInstance ) !== -1 ) return KlassOrInstance;
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269 _newPrivate : function( /* instance, args */ ){
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270 var args = copyArray( arguments ),
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271 user = args.shift(),
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272 def = X.Class._getClassDef( user ),
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273 privateClass = def.privateClass,
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274 privateDef = X.Class._getClassDef( privateClass ),
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276 if( def.userList ){
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277 i = def.userList.indexOf( user );
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283 throw new Error( 'PrivateData already exist!' );
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285 if( privateDef._tempUser ){
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286 throw new Error( 'newPrivate を連続呼び出しされたところ破綻' );
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288 privateDef._tempUser = user;
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289 return privateClass.__new( args );
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291 _getPrivate : function( instance ){
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292 var def = X.Class._getClassDef( instance ),
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293 i = def.userList.indexOf( instance );
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294 if( i !== -1 ) return def.dataList[ i ];
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296 /* over のプロパティを target にコピーする.ただし target の プロパティが優先, force で解除 */
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297 _override : function ( target, src, force ){
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298 for( var p in src ){
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299 if( p === 'Super' || p === 'SuperConstructor' ){
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300 throw new Error( 'Super & SuperConstructor is reserved!' );
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302 if( force === true || target[ p ] === void 0 ){
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303 target[ p ] = src[ p ];
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