/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.jasper.runtime;

import java.util.Map;

/**
 * Interface for tracking the source files dependencies, for the purpose
 * of compiling out of date pages.  This is used for
 * 1) files that are included by page directives
 * 2) files that are included by include-prelude and include-coda in jsp:config
 * 3) files that are tag files and referenced
 * 4) TLDs referenced
 */

public interface JspSourceDependent {

   /**
    * Returns a map of file names and last modified time where the current page
    * has a source dependency on the file.
    * @return the map of dependent resources
    */
    public Map<String,Long> getDependants();

}
