深度解密京东中台底层支撑框架

    protected Class<?> loadClass(String name,boolean resolve)        throwsClassNotFoundException    {        synchronized(getClassLoadingLock(name)){            // First, check if the class has already been loaded            Class<?> c =findLoadedClass(name);            if(c ==null){                long t0 =System.nanoTime();                try{                    if(parent !=null){                        c = parent.loadClass(name,false);                    }else{                        c =findBootstrapClassOrNull(name);                    }                }catch(ClassNotFoundException e){                    // ClassNotFoundException thrown if class not found                    // from the non-null parent class loader                }
                if(c ==null){                    // If still not found, then invoke findClass in order                    // to find the class.                    long t1 =System.nanoTime();                    c =findClass(name);
                    // this is the defining class loader; record the stats                    sun.misc.PerfCounter.getParentDelegationTime().addTime(t1 - t0);                    sun.misc.PerfCounter.getFindClassTime().addElapsedTimeFrom(t1);                    sun.misc.PerfCounter.getFindClasses().increment();                }            }            if(resolve){                resolveClass(c);            }            return c;        }    }

public class BizClassLoader extends URLClassLoader{    public BizClassLoader(URL[] urls){        super(urls);    }
    protected Class<?>loadClass(String name,boolean resolve) throwsClassNotFoundException{        Class<?> clazz =null;        clazz =this.findLoadedClass(name);        if(clazz !=null){            return clazz;        }else{            try{                ClassLoader jdkClassLoader =ClassLoaderFactory.getJDKClassLoader();                clazz = jdkClassLoader.loadClass(name);                if(clazz !=null){                    return clazz;                }            }catch(ClassNotFoundException exception){            }
            if(ExportClassManager.match(name)){                clazz =ClassLoaderFactory.getInternalClassLoader().loadClass(name);                if(clazz !=null){                    return clazz;                }            }
            try{                clazz =this.findClass(name);            }catch(ClassNotFoundException exception){            }
            if(clazz ==null){                clazz =ClassLoaderFactory.getInternalClassLoader().loadClass(name);            }
            return clazz;        }    }
    protected Class<?> findClass(String name) throws ClassNotFoundException{        returnsuper.findClass(name);    }}

#{ClassStart}import java.util.*;#{Package}public class #{ClassName} {   #{MethodInfo}}#{ClassEnd}
#{PackageStart}import #{TypeName};
#{PackageEnd}
#{VarStart}    #{Type} #{Var}=(#{Type})context.get("#{Var}");#{VarEnd}
#{executeStart} public boolean execute(Map context){       #{VarInfo}       return #{Express};    }  #{executeEnd}     #{allStart}    private boolean all(#{Var} ){
       Iterator iterator =#{Collection}.iterator();        while (iterator.hasNext()) {          #{ItemType} #{ItemVar}=(#{ItemType})iterator.next();           if(!(#{Right})){              return false;            }
        }        return true;    } #{allEnd}
#{anyStart}    private boolean any(#{Var} ){
        Iterator iterator = #{Collection}.iterator();        while (iterator.hasNext()) {          #{ItemType} #{ItemVar}=(#{ItemType})iterator.next();           if((#{Right})){              return true;           }
        }        return false;    } #{anyEnd}

    public int compareTo(BizCodeSpec o) {        if (o == null) {            return -1;        } else if (this.priority != null && o.priority != null) {            int ret = o.priority - this.priority;            if (ret != 0) {                return ret;            } else if (this.versionSpec != null && o.versionSpec != null) {                ret = this.versionSpec.compareTo(o.versionSpec);                if (ret == 0) {                    ret = o.bizCode.compareTo(this.bizCode);                }
                return ret;            } else {                return 0;            }        } else {            return 0;        }    }