snaker-core/src/main/java/org/snaker/engine/model/NodeModel.java
public void execute(Execution execution) {
		intercept(preInterceptorList, execution);
		exec(execution);
		intercept(postInterceptorList, execution);
	}
public void execute(Execution execution) {
		intercept(preInterceptorList, execution);
		exec(execution);
		intercept(postInterceptorList, execution);
	}
public void execute ( Execution execution ) { intercept ( preInterceptorList , execution ) ; exec ( execution ) ; intercept ( postInterceptorList , execution ) ; }
对执行逻辑增加前置、后置拦截处理
@param execution 执行对象
对执行逻辑增加前置、后置拦截处理