DBErrorCode.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.core.db;

/**
 * Defines common database error codes which should
 * be used throughout the application in preference to
 * vendor specific error codes.
 *
 * @author Yevhenii Voevodin
 */
public enum DBErrorCode {

    /**
     * When database error can't be described with one
     * of the other values of this enumeration.
     */
    UNDEFINED(-1),

    /**
     * When any of the unique constraints is violated
     * e.g. duplicate key or unique index violation.
     */
    DUPLICATE_KEY(1),

    /**
     * When entity referenced foreign key does not exist
     */
    INTEGRITY_CONSTRAINT_VIOLATION(2);

    private final int code;

    DBErrorCode(int code) {
        this.code = code;
    }

    /**
     * Returns the code of this error.
     */
    public int getCode() {
        return code;
    }
}