org.codegeny.beans.diff.BeanDiff Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of codegeny-beans Show documentation

Library which provides meta-model, diffs, paths... for java beans

There is a newer version: 0.0.4

/*-
 * #%L
 * codegeny-beans
 * %%
 * Copyright (C) 2016 - 2018 Codegeny
 * %%
 * 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.
 * #L%
 */
package org.codegeny.beans.diff;

import java.util.Map;

import static java.util.Collections.unmodifiableMap;
import static java.util.Objects.requireNonNull;

/**
 * Implementation of {@link Diff} for beans.
 *
 * @param  The type of bean.
 * @author Xavier DURY
 */
public final class BeanDiff extends AbstractDiff {

    private static final long serialVersionUID = 1L;

    private final Map> properties;

    BeanDiff(Status status, B left, B right, Map> properties) {
        super(requireNonNull(properties, "Properties cannot be null").values(), status, left, right);
        this.properties = unmodifiableMap(properties);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public  R accept(DiffVisitor visitor) {
        return visitor.visitBean(this);
    }

    /**
     * Get the map of diff'ed properties.
     *
     * @return The properties.
     */
    public Map> getProperties() {
        return properties;
    }

    /**
     * Get the diff'ed for the given property name.
     *
     * @param name The property name.
     * @return That property's diff.
     */
    public Diff getProperty(String name) {
        return properties.get(name);
    }
}