docs/java/jcasbin/jcasbin.drawio

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        <mxCell id="QtVUoe-s8aGA1qfG5qBj-31" value="&lt;div&gt;public Enforcer(Model m, Adapter adapter, boolean enableLog) {&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; this.adapter = adapter;&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; this.watcher = null;&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; model = m;&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; ...&lt;/div&gt;&lt;div&gt;&lt;font color=&quot;#007fff&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp; // 加载内置的函数，比如&amp;nbsp;keyMatch、keyGet、regexMatch&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; fm = FunctionMap.&lt;b&gt;loadFunctionMap&lt;/b&gt;();&lt;/div&gt;&lt;div&gt;&lt;font color=&quot;#007fff&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp; // 初始化 CoreEnforcer 中成员&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; &lt;b&gt;initialize&lt;/b&gt;();&lt;/div&gt;&lt;div&gt;&lt;font color=&quot;#007fff&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp; // 加载策略数据，即 csv 文件中的数据&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; if (this.adapter != null &amp;amp;&amp;amp; !isFiltered()) {&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;b&gt;loadPolicy&lt;/b&gt;();&lt;/div&gt;&lt;div&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div&gt;}&lt;/div&gt;" style="rounded=1;whiteSpace=wrap;html=1;align=left;arcSize=3;" vertex="1" parent="1">
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        <mxCell id="QtVUoe-s8aGA1qfG5qBj-34" value="&lt;div style=&quot;font-size: 11px;&quot;&gt;private EnforceResult enforce(String matcher, Object... rvals) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; ...&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; boolean compileCached = true;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; if (fm.isModify) { &lt;font color=&quot;#007fff&quot;&gt;//是否有添加函数&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; compileCached = false;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; // 将内置函数加入&amp;nbsp;aviatorEval&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &lt;b&gt;initBuiltInFunction&lt;/b&gt;();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; fm.isModify = false;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp; // 读取模型中 role_definition, 生成 AviatorFunction 并添加到 aviatorEval&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; Map&amp;lt;String, AviatorFunction&amp;gt; &lt;b&gt;gFunctions&lt;/b&gt; = new HashMap&amp;lt;&amp;gt;();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;span style=&quot;background-color: initial;&quot;&gt;&amp;nbsp; &amp;nbsp; if (model.model.containsKey(&quot;g&quot;)) {&lt;/span&gt;&lt;br&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; for (Map.Entry&amp;lt;String, Assertion&amp;gt; entry : model.model.get(&quot;g&quot;).entrySet()) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; String key = entry.getKey();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Assertion ast = entry.getValue();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font style=&quot;&quot; color=&quot;#007fff&quot;&gt;&lt;span style=&quot;&quot;&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;/span&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; // 权限模型 g 段中 RoleManager 实例保存从策略数据源解析到的所有角色及其继承关系&lt;/font&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; RoleManager rm = ast.rm;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; AviatorFunction aviatorFunction = BuiltInFunctions.GenerateGFunctionClass.&lt;b&gt;generateGFunction&lt;/b&gt;(key, rm);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; gFunctions.put(key, aviatorFunction);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &lt;font color=&quot;#007fff&quot;&gt;//&amp;nbsp;&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; for (AviatorFunction f : gFunctions.values()) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (!aviatorEval.containsFunction(f.getName())) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; aviatorEval.&lt;b&gt;addFunction&lt;/b&gt;(f);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; compileCached = false;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp; // 更新 FunctionMap 中所有函数的&amp;nbsp;aviatorEval， 即 FunctionMap 中的函数执行也是依赖 Aviator 引擎执行的&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; fm.setAviatorEval(aviatorEval);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; String rType = &quot;r&quot;, pType = &quot;p&quot;, eType = &quot;e&quot;, mType = &quot;m&quot;;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; if (rvals.length != 0) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (rvals[0] instanceof EnforceContext) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; EnforceContext enforceContext = (EnforceContext) rvals[0];&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; rType = enforceContext.getrType();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; pType = enforceContext.getpType();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; eType = enforceContext.geteType();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; mType = enforceContext.getmType();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; rvals = Arrays.copyOfRange(rvals, 1, rvals.length);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; String expString;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; if (matcher == null || &quot;&quot;.equals(matcher)) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; // 获取模型中定义的&lt;b&gt;matcher表达式&lt;/b&gt;, 比如&amp;nbsp;g(r_sub, p_sub) &amp;amp;&amp;amp; r_obj == p_obj &amp;amp;&amp;amp; r_act == p_act&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&lt;b&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; // 如果定义了多组 matcher 表达式，根本不会同时被使用&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; expString = model.model.&lt;b&gt;get&lt;/b&gt;(&quot;m&quot;).get(mType).value;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; expString = Util.removeComments(Util.escapeAssertion(matcher));&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&amp;nbsp; &amp;nbsp; // 只是为了支持 in 语法添加的转换逻辑&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; expString = Util.convertInSyntax(expString);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&amp;nbsp; &amp;nbsp; // &lt;b&gt;将 matcher 表达式编译成 Aviator 表达式&lt;/b&gt;，估计是 Java 字节码&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; // Use md5 encryption as cacheKey to prevent expString from being too long&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; Expression &lt;b&gt;expression&lt;/b&gt; = aviatorEval.&lt;b&gt;compile&lt;/b&gt;(Util.md5(expString), expString, compileCached);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; StreamEffector streamEffector = null;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; try {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; streamEffector = this.eft.newStreamEffector(model.model.get(&quot;e&quot;).get(eType).value);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; } catch (Exception e) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (!(e instanceof UnsupportedOperationException)) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; throw new CasbinEffectorException(e);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; Effect[] policyEffects;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; float[] matcherResults;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &lt;font color=&quot;#007fff&quot;&gt;// 没有 EnforcerContext 传参的话，&lt;/font&gt;&lt;font color=&quot;#007fff&quot;&gt;pType 就是写死的 p, 且 policy 只会加载一种，对于下面后两种策略&lt;b&gt;根本不会同时被使用&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&amp;nbsp; &amp;nbsp; //&amp;nbsp;p, ROLE_BIZA_PM, /sysA/config/bz1, POST&lt;/font&gt;&lt;/div&gt;&lt;div&gt;&lt;font color=&quot;#007fff&quot;&gt;&amp;nbsp; &amp;nbsp; // p2, ROLE_BIZA_BACKEND, ROLE_T3, /sysA/config/bz1, POST&lt;/font&gt;&lt;/div&gt;&lt;div&gt;&lt;font color=&quot;#007fff&quot;&gt;&amp;nbsp; &amp;nbsp; // p2, ROLE_BIZA_BACKEND, ROLE_T2, /sysA/config/bz1, POST&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; final List&amp;lt;List&amp;lt;String&amp;gt;&amp;gt; &lt;b&gt;policy&lt;/b&gt; = model.model.&lt;b&gt;get(&quot;p&quot;)&lt;/b&gt;.&lt;b&gt;get&lt;/b&gt;(&lt;b&gt;pType&lt;/b&gt;).policy;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; final String[] pTokens = model.model.get(&quot;p&quot;).get(pType).tokens;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; final int policyLen = policy.size();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; int explainIndex = -1;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; if (policyLen != 0) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects = new Effect[policyLen];&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; matcherResults = new float[policyLen];&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; // 遍历 pType 类型的策略，使用&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; for (int i = 0; i &amp;lt; policy.size(); i++) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; List&amp;lt;String&amp;gt; pvals = policy.get(i);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Map&amp;lt;String, Object&amp;gt; parameters = new HashMap&amp;lt;&amp;gt;(rvals.length + pTokens.length);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; getPTokens(parameters, pType, pvals, pTokens);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; getRTokens(parameters, rType, rvals);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;font color=&quot;#007fff&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; // 表达式的 Java 字节码交给 JVM 执行, 即&lt;b&gt;执行 request 到 policy 的匹配逻辑（matcher）&lt;/b&gt;&lt;/font&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Object result = expression.&lt;b&gt;execute&lt;/b&gt;(parameters);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (result instanceof &lt;b&gt;Boolean&lt;/b&gt;) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (!((boolean) result)) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[i] = Effect.Indeterminate;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[i] = Effect.Allow;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (streamEffector == null) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; continue;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else if (result instanceof &lt;b&gt;Double&lt;/b&gt; || result instanceof &lt;b&gt;Long&lt;/b&gt;) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (((Number) result).floatValue() == 0) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[i] = Effect.Indeterminate;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; matcherResults[i] = ((Number) result).floatValue();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[i] = Effect.Allow;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (streamEffector == null) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; continue;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; throw new CasbinMatcherException(&quot;matcher result should be Boolean, Double or Long&quot;);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (policyEffects[i] == Effect.Allow &amp;amp;&amp;amp; parameters.containsKey(pType + &quot;_eft&quot;)) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; String eft = (String) parameters.get(pType + &quot;_eft&quot;);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (&quot;allow&quot;.equals(eft)) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[i] = Effect.Allow;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else if (&quot;deny&quot;.equals(eft)) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[i] = Effect.Deny;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[i] = Effect.Indeterminate;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (streamEffector != null) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; boolean done = streamEffector.push(policyEffects[i], i, policyLen);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (done) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; break;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (&quot;priority(p_eft) || deny&quot;.equals(model.model.get(&quot;e&quot;).get(eType).value)) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; break;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; explainIndex = streamEffector.current().getExplainIndex();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; } else {&amp;nbsp; &lt;b&gt;&lt;font color=&quot;#007fff&quot;&gt;// policy 条数为0&lt;/font&gt;&lt;/b&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects = new Effect[1];&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; matcherResults = new float[1];&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; String[] rTokens = model.model.get(&quot;r&quot;).get(rType).tokens;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Map&amp;lt;String, Object&amp;gt; parameters = new HashMap&amp;lt;&amp;gt;(rTokens.length + pTokens.length);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; for (int j = 0; j &amp;lt; rTokens.length; j++) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; parameters.put(rTokens[j], rvals[j]);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; for (String token : pTokens) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; parameters.put(token, &quot;&quot;);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; Object result = expression.execute(parameters);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if (streamEffector != null) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if ((boolean) result) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; streamEffector.push(Effect.Allow, 0, 1);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; streamEffector.push(Effect.Indeterminate, 0, 1);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; if ((boolean) result) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[0] = Effect.Allow;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; policyEffects[0] = Effect.Indeterminate;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; boolean result;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; if (streamEffector != null &amp;amp;&amp;amp; streamEffector.current() != null) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; result = streamEffector.current().hasEffect();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; } else {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; result = eft.mergeEffects(model.model.get(&quot;e&quot;).get(eType).value, policyEffects, matcherResults);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; List&amp;lt;String&amp;gt; explain = new ArrayList&amp;lt;&amp;gt;();&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; if (explainIndex != -1) {&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; &amp;nbsp; &amp;nbsp; explain.addAll(policy.get(explainIndex));&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; }&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&lt;br style=&quot;font-size: 11px;&quot;&gt;&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; &amp;nbsp; Util.logEnforce(rvals, result, explain);&lt;/div&gt;&lt;div style=&quot;font-size: 11px;&quot;&gt;&amp;nbsp; 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