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package com.ui4j.bytebuddy.modifier;
import com.ui4j.bytebuddy.instrumentation.ModifierContributor;
import com.ui4j.bytebuddy.jar.asm.Opcodes;
/**
* Determines if a type describes an enumeration. Note that enumerations must never also be interfaces.
*/
public enum EnumerationState implements ModifierContributor.ForType {
/**
* Modifier for marking a type as an enumeration.
*/
ENUMERATION(Opcodes.ACC_ENUM),
/**
* Modifier for marking a type as a non-enumeration. (This is the default modifier.)
*/
NON_ENUMERATION(EMPTY_MASK);
/**
* The mask of the modifier contributor.
*/
private final int mask;
/**
* Creates a new enumeration state representation.
*
* @param mask The modifier mask of this instance.
*/
private EnumerationState(int mask) {
this.mask = mask;
}
/**
* Creates an enumeration state from a boolean value indicating if a type or member is supposed to be synthetic.
*
* @param enumeration {@code true} if the state is supposed to describe an enumeration.
* @return The corresponding synthetic state.
*/
public static EnumerationState is(boolean enumeration) {
return enumeration ? ENUMERATION : NON_ENUMERATION;
}
@Override
public int getMask() {
return mask;
}
/**
* Checks if the current state describes the enum state.
*
* @return {@code true} if the current state describes an enumeration.
*/
public boolean isEnumeration() {
return this == ENUMERATION;
}
}