/*
 * Copyright (c) 2012 - 2014 Ngewi Fet <ngewif@gmail.com>
 *
 * 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.gnucash.android.model;

/**
 * Type of transaction, a credit or a debit
 *
 * @author Ngewi Fet <ngewif@gmail.com>
 * @author Jesse Shieh <jesse.shieh.pub@gmail.com>
 */
public enum TransactionType {
    DEBIT, CREDIT;

    private TransactionType opposite;

    static {
        DEBIT.opposite = CREDIT;
        CREDIT.opposite = DEBIT;
    }

    /**
     * Inverts the transaction type.
     * <p>{@link TransactionType#CREDIT} becomes {@link TransactionType#DEBIT} and vice versa</p>
     * @return Inverted transaction type
     */
    public TransactionType invert() {
        return opposite;
    }
}

