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The code in this module is not explicitly related to clustering, but rather contains resuable code used by clustering modules and any modules that integrate with clustering.

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2016, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.as.clustering.controller;

import java.util.function.UnaryOperator;

import org.jboss.as.controller.PathAddress;

/**
 * Defines an attribute translation.
 * @author Paul Ferraro
 */
@FunctionalInterface
public interface AttributeTranslation {
    // The translator used by an attribute alias
    AttributeValueTranslator IDENTITY_TRANSLATOR = (context, value) -> value;
    UnaryOperator IDENTITY_ADDRESS_TRANSFORMATION = UnaryOperator.identity();

    Attribute getTargetAttribute();

    default AttributeValueTranslator getReadTranslator() {
        return IDENTITY_TRANSLATOR;
    }

    default AttributeValueTranslator getWriteTranslator() {
        return IDENTITY_TRANSLATOR;
    }

    default UnaryOperator getPathAddressTransformation() {
        return IDENTITY_ADDRESS_TRANSFORMATION;
    }
}