Module openj9.dtfj

Package com.ibm.dtfj.java.javacore

Class JCJavaVMOption

java.lang.Object

com.ibm.dtfj.java.javacore.JCJavaVMOption

All Implemented Interfaces:

JavaVMOption

public class JCJavaVMOption
extends Object
implements JavaVMOption

A javacore-based implementation of DTFJ JavaVMOption. Both the option string and the extraInfo pointer value are available in the ENVINFO section of the javacore, e.g. 2CIUSERARG _port_library 0x002A04F8

See Also:

• JavaRuntime

Constructor Summary

Constructors

Constructor	Description
JCJavaVMOption(String optionString, ImagePointer extraInfo)

Method Summary

Modifier and Type	Method	Description
ImagePointer	getExtraInfo()	Fetch the extraInfo component of this option.
String	getOptionString()	Fetch the optionString component of the option.

Methods declared in class java.lang.Object

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

Constructor Details

JCJavaVMOption

public JCJavaVMOption(String optionString,
 ImagePointer extraInfo)
               throws JCInvalidArgumentsException

Throws:

JCInvalidArgumentsException

Method Details

getOptionString

public String getOptionString()
                       throws DataUnavailable,
CorruptDataException

Description copied from interface: JavaVMOption

Fetch the optionString component of the option.

Specified by:

getOptionString in interface JavaVMOption

Returns:

a string representing the optionString. This is never null.

Throws:

DataUnavailable

CorruptDataException

getExtraInfo

public ImagePointer getExtraInfo()
                          throws DataUnavailable,
CorruptDataException

Description copied from interface: JavaVMOption

Fetch the extraInfo component of this option.

Specified by:

getExtraInfo in interface JavaVMOption

Returns:

the pointer value from the extraInfo (usually null).

Throws:

DataUnavailable

CorruptDataException