/*
 * Copyright 2016-2019 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jboss.galleon.diff;

import org.jboss.galleon.ProvisioningException;
import org.jboss.galleon.state.ProvisionedFeature;

/**
 *
 * @author Alexey Loubyansky
 */
public interface ProvisionedFeatureDiffCallback {

    ProvisionedFeatureDiffCallback DEFAULT = new ProvisionedFeatureDiffCallback() {};

    default boolean added(ProvisionedFeature added) throws ProvisioningException {
        return true;
    }

    default boolean removed(ProvisionedFeature removed) throws ProvisioningException {
        return true;
    }

    default boolean matches(ProvisionedFeature provisioned, ProvisionedFeature actual) throws ProvisioningException {
        return provisioned.equals(actual);
    }
}
