    001    // Copyright 2011 The Apache Software Foundation
    002    //
    003    // Licensed under the Apache License, Version 2.0 (the "License");
    004    // you may not use this file except in compliance with the License.
    005    // You may obtain a copy of the License at
    006    //
    007    // http://www.apache.org/licenses/LICENSE-2.0
    008    //
    009    // Unless required by applicable law or agreed to in writing, software
    010    // distributed under the License is distributed on an "AS IS" BASIS,
    011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    012    // See the License for the specific language governing permissions and
    013    // limitations under the License.
    014
    015    package org.apache.tapestry5.internal;
    016
    017    import java.io.IOException;
    018
    019    /**
    020     * This interface is similar to {@link Runnable}, except that
    021     * the operation may throw an {@link IOException}.
    022     *
    023     * @since 5.3
    024     * @see TapestryInternalUtils#performIO(org.apache.tapestry5.ioc.OperationTracker, String, IOOperation)
    025     */
    026    public interface IOOperation
    027    {
    028        /**
    029         * Perform some work.
    030         *
    031         * @throws IOException
    032         */
    033        void perform() throws IOException;
    034    }