/*
 * Copyright © 2016 TIBCO Software,Inc.All rights reserved.
 * http://community.jaspersoft.com/project/jaspermobile-android
 *
 * Unless you have purchased a commercial license agreement from TIBCO Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of TIBCO Jaspersoft Mobile for Android.
 *
 * TIBCO Jaspersoft Mobile is free software:you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation,either version 3of the License,or
 * (at your option)any later version.
 *
 * TIBCO Jaspersoft Mobile is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY;without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with TIBCO Jaspersoft Mobile for Android.If not,see
 * <http://www.gnu.org/licenses/lgpl>.
 */

package com.jaspersoft.android.jaspermobile.webview.dashboard.bridge;

/**
 * @author Tom Koptel
 * @since 2.0
 */
abstract class AbstractDashboardExecutor implements DashboardExecutor {
    private boolean mPrepared;

    abstract void doPreparation();
    abstract void doExecution();

    @Override
    public void prepare() {
        doPreparation();
        updateState();
    }

    @Override
    public void execute() {
        checkState();
        doExecution();
    }

    private void updateState() {
        mPrepared = true;
    }

    private void checkState() {
        if (!mPrepared) {
            throw new IllegalStateException("Dashboard should be prepared before execution");
        }
    }
}