jdk.internal.jvmci.options

Class StableOptionValue<T>

java.lang.Object

jdk.internal.jvmci.options.OptionValue<T>

jdk.internal.jvmci.options.StableOptionValue<T>

public class StableOptionValue<T>
extends OptionValue<T>

An option that always returns the same value.

Nested Class Summary

Nested classes/interfaces inherited from class jdk.internal.jvmci.options.OptionValue

OptionValue.MultipleOverridesScope, OptionValue.OverrideScope, OptionValue.SingleOverrideScope

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	getValueCalled Used to assert the invariant for stability.

Fields inherited from class jdk.internal.jvmci.options.OptionValue

value

Constructor Summary

Constructors

Constructor and Description
StableOptionValue() Creates an uninitialized stable option value for a subclass that initializes itself lazily.
StableOptionValue(T value) Creates a stable option value.

Method Summary

Modifier and Type	Method and Description
T	getValue() Gets the value of this option.
private boolean	initGetValueCalled()
void	setValue(Object v) Sets the value of this option.

Methods inherited from class jdk.internal.jvmci.options.OptionValue

defaultValue, getDefaultValue, getDescriptor, getName, getOverrideScope, getValues, hasDefaultValue, override, override, override, setDescriptor, setOverrideScope, toString

Methods inherited from class java.lang.Object

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

Field Detail

getValueCalled

private boolean getValueCalled

Used to assert the invariant for stability. Without using locks, this check is not safe against races and so it's only an assertion.

Constructor Detail

StableOptionValue

public StableOptionValue(T value)

Creates a stable option value.

StableOptionValue

public StableOptionValue()

Creates an uninitialized stable option value for a subclass that initializes itself lazily.

Method Detail

getValue

public final T getValue()

Gets the value of this option.

Overrides:

getValue in class OptionValue<T>

initGetValueCalled

private boolean initGetValueCalled()

setValue

public final void setValue(Object v)

Sets the value of this option.

This must only be called if getValue() has never been called.

Overrides:

setValue in class OptionValue<T>