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Byte Buddy is a Java library for creating Java classes at run time. This artifact is a build of Byte Buddy with a remaining dependency onto ASM. You should never depend on this module without repackaging Byte Buddy and ASM into your own namespace.

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package net.bytebuddy.matcher;

import net.bytebuddy.description.field.FieldDescription;
import net.bytebuddy.description.field.FieldList;
import net.bytebuddy.description.type.TypeDefinition;

/**
 * An element matcher that checks if a type description declares fields of a given property.
 *
 * @param  The exact type of the annotated element that is matched.
 */
public class DeclaringFieldMatcher extends ElementMatcher.Junction.AbstractBase {

    /**
     * The field matcher to apply to the declared fields of the matched type description.
     */
    private final ElementMatcher> matcher;

    /**
     * Creates a new matcher for a type's declared fields.
     *
     * @param matcher The field matcher to apply to the declared fields of the matched type description.
     */
    public DeclaringFieldMatcher(ElementMatcher> matcher) {
        this.matcher = matcher;
    }

    @Override
    public boolean matches(T target) {
        return matcher.matches(target.getDeclaredFields());
    }

    @Override
    public boolean equals(Object other) {
        return this == other || !(other == null || getClass() != other.getClass())
                && matcher.equals(((DeclaringFieldMatcher) other).matcher);
    }

    @Override
    public int hashCode() {
        return matcher.hashCode();
    }

    @Override
    public String toString() {
        return "declaresFields(" + matcher + ")";
    }
}