de.uka.ipd.sdq.simucomframework.variables.stoexvisitor

Enum VariableMode

java.lang.Object

java.lang.Enum<VariableMode>

de.uka.ipd.sdq.simucomframework.variables.stoexvisitor.VariableMode

All Implemented Interfaces:

Serializable, Comparable<VariableMode>

public enum VariableMode
extends Enum<VariableMode>

Modes for evaluating stochastic expressions.

Author:

Steffen Becker

Enum Constant Summary

Enum Constants

Enum Constant and Description
EXCEPTION_ON_NOT_FOUND An exception is thrown if the evaluation encounters a variable unknown in the current stackframe
RETURN_DEFAULT_ON_NOT_FOUND A default value is returned for variables which do not exist in the stackframe.
RETURN_NULL_ON_NOT_FOUND NULL is returned for variables which do not exist in the stackframe.

Method Summary

Modifier and Type	Method and Description
static VariableMode	valueOf(String name) Returns the enum constant of this type with the specified name.
static VariableMode[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

EXCEPTION_ON_NOT_FOUND

public static final VariableMode EXCEPTION_ON_NOT_FOUND

An exception is thrown if the evaluation encounters a variable unknown in the current stackframe

RETURN_DEFAULT_ON_NOT_FOUND

public static final VariableMode RETURN_DEFAULT_ON_NOT_FOUND

A default value is returned for variables which do not exist in the stackframe. It is 0 for numeric types and "" for enum types. Useful for determining bytesizes of the stack contents in cases where not for all variables characterisations exist

RETURN_NULL_ON_NOT_FOUND

public static final VariableMode RETURN_NULL_ON_NOT_FOUND

NULL is returned for variables which do not exist in the stackframe. Useful for copying stackframes

Method Detail

values

public static VariableMode[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (VariableMode c : VariableMode.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static VariableMode valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null