// 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.apache.tapestry5.services.pageload;

/**
 * Identifies when the {@link org.apache.tapestry5.services.pageload.PagePreloader}
 * should perform its loading.
 *
 * @since 5.4
 */
public enum PreloaderMode
{
    NEVER, ALWAYS, DEVELOPMENT, PRODUCTION;

    public boolean isEnabledFor(boolean productionMode)
    {
        if (this == NEVER)
        {
            return false;
        }

        if (this == ALWAYS)
        {
            return true;
        }

        return (this == PRODUCTION) == productionMode;
    }
}
