/*
 * Copyright (C) 2007-2012 Argeo GmbH
 *
 * 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.argeo.slc.diff;

/** Intermediate class that can hold the key to be displayed. */
public abstract class DiffIssueKey extends DiffIssue {
	/** The position of this issue. */
	protected DiffKey key;

	/** Constructor without key */
	public DiffIssueKey(DiffPosition position) {
		super(position);
	}

	/** Constructor with key */
	public DiffIssueKey(DiffPosition position, DiffKey key) {
		super(position);
		this.key = key;
	}

	public Object getKey() {
		return key;
	}

	@Override
	public String toString() {
		if (key != null) {
			return key.toString();
		} else {
			return "";
		}
	}

	// Hibernate
	@SuppressWarnings("unused")
	private void setKey(DiffKey key) {
		this.key = key;
	}
}