ModelDiffEntry.java

/**
 * Licensed to the Austrian Association for Software Tool Integration (AASTI)
 * under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership. The AASTI licenses this file to you 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.openengsb.core.ekb.persistence.persist.edb.internal;

import java.lang.reflect.Field;

import org.openengsb.core.api.model.annotation.OpenEngSBForeignKey;

/**
 * A ModelDiffEntry object saves the state of a field before and after the change, so that both values can be compared.
 */
public class ModelDiffEntry {
    private Object before;
    private Object after;
    private Field field;

    public Object getBefore() {
        return before;
    }

    public void setBefore(Object before) {
        this.before = before;
    }

    public Object getAfter() {
        return after;
    }

    public void setAfter(Object after) {
        this.after = after;
    }

    public Field getField() {
        return field;
    }

    public void setField(Field field) {
        this.field = field;
    }

    public boolean isForeignKey() {
        return field != null ? field.isAnnotationPresent(OpenEngSBForeignKey.class) : false;
    }
}