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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
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 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
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package org.graalvm.compiler.options;

import java.util.EnumSet;

import org.graalvm.collections.EconomicMap;

public class EnumOptionKey<T extends Enum<T>> extends OptionKey<T> {
    final Class<T> enumClass;

    public EnumOptionKey(T value) {
        super(value);
        if (value == null) {
            throw new IllegalArgumentException("Value must not be null");
        }
        this.enumClass = value.getDeclaringClass();
    }

    
Returns:the set of possible values for this option.
/** * @return the set of possible values for this option. */
public EnumSet<T> getAllValues() { return EnumSet.allOf(enumClass); } public Object valueOf(String name) { try { return Enum.valueOf(enumClass, name); } catch (IllegalArgumentException e) { throw new IllegalArgumentException("\"" + name + "\" is not a valid option for " + getName() + ". Valid values are " + getAllValues()); } } @Override protected void onValueUpdate(EconomicMap<OptionKey<?>, Object> values, T oldValue, T newValue) { assert enumClass.isInstance(newValue) : newValue + " is not a valid value for " + getName(); } }