com.fitbur.bytebuddy.description.modifier.FieldManifestation Maven / Gradle / Ivy
package com.fitbur.bytebuddy.description.modifier;
import com.fitbur.bytebuddy.jar.asm.Opcodes;
/**
* Describes the manifestation of a class's field, i.e. if a field is final, volatile or neither.
*/
public enum FieldManifestation implements ModifierContributor.ForField {
/**
* Modifier for a non-final, non-volatile field. (This is the default modifier.)
*/
PLAIN(EMPTY_MASK),
/**
* Modifier for a final field.
*/
FINAL(Opcodes.ACC_FINAL),
/**
* Modifier for a volatile field.
*/
VOLATILE(Opcodes.ACC_VOLATILE);
/**
* The mask the modifier contributor.
*/
private final int mask;
/**
* Creates a new field manifestation.
*
* @param mask The modifier mask of this instance.
*/
FieldManifestation(int mask) {
this.mask = mask;
}
@Override
public int getMask() {
return mask;
}
@Override
public int getRange() {
return Opcodes.ACC_FINAL | Opcodes.ACC_VOLATILE;
}
@Override
public boolean isDefault() {
return this == PLAIN;
}
/**
* Returns {@code true} if this manifestation represents a {@code final} type.
*
* @return {@code true} if this manifestation represents a {@code final} type.
*/
public boolean isFinal() {
return (mask & Opcodes.ACC_FINAL) != 0;
}
/**
* Returns {@code true} if this manifestation represents a {@code volatile} type.
*
* @return {@code true} if this manifestation represents a {@code volatile} type.
*/
public boolean isVolatile() {
return (mask & Opcodes.ACC_VOLATILE) != 0;
}
/**
* Returns {@code true} if this manifestation represents a field that is neither {@code final} or {@code volatile}.
*
* @return {@code true} if this manifestation represents a field that is neither {@code final} or {@code volatile}.
*/
public boolean isPlain() {
return !(isFinal() || isVolatile());
}
@Override
public String toString() {
return "FieldManifestation." + name();
}
}