org.codehaus.groovy.vmplugin.v7

Class Java7

java.lang.Object

org.codehaus.groovy.vmplugin.v5.Java5

org.codehaus.groovy.vmplugin.v6.Java6

org.codehaus.groovy.vmplugin.v7.Java7

All Implemented Interfaces:

VMPlugin

Direct Known Subclasses:

Java8

public class Java7
extends Java6

Java 7 based functions. Currently just a stub but you can add your own methods to your own version and place it on the classpath ahead of this one.

Author:

Jochen Theodorou

Constructor Summary

Constructors

Constructor and Description
Java7()

Method Summary

Modifier and Type	Method and Description
java.lang.Object	getInvokeSpecialHandle(java.lang.reflect.Method method, java.lang.Object receiver) Returns a handle with bound receiver to invokeSpecial the given method.
int	getVersion() Gives the version the plguin is made for
void	invalidateCallSites()
java.lang.Object	invokeHandle(java.lang.Object handle, java.lang.Object[] args) Invokes a handle produced by #getInvokeSpecialdHandle

Methods inherited from class org.codehaus.groovy.vmplugin.v5.Java5

configureAnnotation, configureClassNode, getPluginDefaultGroovyMethods, getPluginStaticGroovyMethods, setAdditionalClassInformation

Methods inherited from class java.lang.Object

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

Constructor Detail

Java7

public Java7()

Method Detail

invalidateCallSites

public void invalidateCallSites()

Specified by:

invalidateCallSites in interface VMPlugin

Overrides:

invalidateCallSites in class Java5

getVersion

public int getVersion()

Description copied from interface: VMPlugin

Gives the version the plguin is made for

Specified by:

getVersion in interface VMPlugin

Overrides:

getVersion in class Java6

Returns:

5 for jdk5, 6 for jdk6, 7 for jdk7 or higher

getInvokeSpecialHandle

public java.lang.Object getInvokeSpecialHandle(java.lang.reflect.Method method,
                                               java.lang.Object receiver)

Description copied from interface: VMPlugin

Returns a handle with bound receiver to invokeSpecial the given method. This method will require at least Java 7, but since the source has to compile on older Java versions as well it is not marked to return a MethodHandle and uses Object instead

Specified by:

getInvokeSpecialHandle in interface VMPlugin

Overrides:

getInvokeSpecialHandle in class Java5

Returns:

null in case of jdk<7, otherwise a handle that takes the method call arguments for the invokespecial call

invokeHandle

public java.lang.Object invokeHandle(java.lang.Object handle,
                                     java.lang.Object[] args)
                              throws java.lang.Throwable

Description copied from interface: VMPlugin

Invokes a handle produced by #getInvokeSpecialdHandle

Specified by:

invokeHandle in interface VMPlugin

Overrides:

invokeHandle in class Java5

Parameters:

handle - the handle

args - arguments for the method call, can be empty but not null

Returns:

the result of the method call

Throws:

java.lang.Throwable