Class JavaVersionHelper

java.lang.Object

com.ibm.j9ddr.vm29.tools.ddrinteractive.JavaVersionHelper

public class JavaVersionHelper
extends Object

JavaVersionHelper helps check if the JVM version is new enough for the modularity DDR commands

Constructor Summary

Constructors

Constructor	Description
JavaVersionHelper()

Method Summary

Modifier and Type	Method	Description
static boolean	ensureJava9AndUp(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer vm, PrintStream out)	Deprecated. use ensureMinimumJavaVersion(int, J9JavaVMPointer, PrintStream) instead
static boolean	ensureMinimumJavaVersion(int version, com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer vm, PrintStream out)	Returns true if the Java version is version or higher.

Methods declared in class Object

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

Constructor Details

JavaVersionHelper

public JavaVersionHelper()

Method Details

ensureJava9AndUp

@Deprecated
public static boolean ensureJava9AndUp(com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer vm,
 PrintStream out)
                                throws CorruptDataException

Deprecated.

use ensureMinimumJavaVersion(int, J9JavaVMPointer, PrintStream) instead

Returns true if the Java version is Java9 or higher.

Parameters:

vm - J9JavaVMPointer

out - the output print stream

Returns:

true if the Java version is Java9 or higher

Throws:

CorruptDataException

ensureMinimumJavaVersion

public static boolean ensureMinimumJavaVersion(int version,
 com.ibm.j9ddr.vm29.pointer.generated.J9JavaVMPointer vm,
 PrintStream out)
                                        throws CorruptDataException

Returns true if the Java version is version or higher.

Parameters:

version - the minimum version

vm - J9JavaVMPointer

out - the output print stream

Returns:

true if the Java version is version or higher

Throws:

CorruptDataException