public Object execute() {
            if (!isExecuted()) {
                this.result = doExecute();
                this.executed = true;
            }
            if (!getBeanConfiguration().isGlobalConfig()) {
                Assert.notNull(this.bean, "Implementation must set the root bean for which it executed.");
            }
            return this.result;
        }
Returns true if all configuration statements have been executed.

@return true if all configuration statements have been executed.
config/ogdl/src/main/java/org/apache/shiro/config/ogdl/ReflectionBuilder.java