org.h2.util

类 SourceCompiler

java.lang.Object

org.h2.util.SourceCompiler

public class SourceCompiler
extends Object

This class allows to convert source code to a class. It uses one class loader per class.

构造器概要

构造器

构造器和说明
SourceCompiler()

方法概要

限定符和类型	方法和说明
Class<?>	getClass(String packageAndClassName) Get the class object for the given name.
CompiledScript	getCompiledScript(String packageAndClassName) Get the compiled script.
Method	getMethod(String className) Get the first public static method of the given class.
static boolean	isJavaxScriptSource(String source) Whether the passed source can be compiled using ScriptEngineManager.
void	setJavaSystemCompiler(boolean enabled) Enable or disable the usage of the Java system compiler.
void	setSource(String className, String source) Set the source code for the specified class.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

SourceCompiler

public SourceCompiler()

方法详细资料

setSource

public void setSource(String className,
                      String source)

Set the source code for the specified class. This will reset all compiled classes.

参数:

className - the class name

source - the source code

setJavaSystemCompiler

public void setJavaSystemCompiler(boolean enabled)

Enable or disable the usage of the Java system compiler.

参数:

enabled - true to enable

getClass

public Class<?> getClass(String packageAndClassName)
                  throws ClassNotFoundException

Get the class object for the given name.

参数:

packageAndClassName - the class name

返回:

the class

抛出:

ClassNotFoundException - on failure

isJavaxScriptSource

public static boolean isJavaxScriptSource(String source)

Whether the passed source can be compiled using ScriptEngineManager.

参数:

source - the source to test.

返回:

true if getCompiledScript(String) can be called.

getCompiledScript

public CompiledScript getCompiledScript(String packageAndClassName)
                                 throws ScriptException

Get the compiled script.

参数:

packageAndClassName - the package and class name

返回:

the compiled script

抛出:

ScriptException - on failure

getMethod

public Method getMethod(String className)
                 throws ClassNotFoundException

Get the first public static method of the given class.

参数:

className - the class name

返回:

the method name

抛出:

ClassNotFoundException - on failure