/*
 * Copyright 2011 the original author or authors.
 *
 * 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.gradle.api.internal.changedetection;

import org.gradle.api.file.FileCollection;

public interface FileCacheListener {
    /**
     * Indicates that the given files are cacheable, and are not expected to change until invalidated.
     */
    void cacheable(FileCollection files);

    /**
     * Indicates that the given files may have changed, and should no longer be considered cacheable.
     */
    void invalidate(FileCollection files);

    /**
     * Indicates that any file may have changed, and should no longer be considered cacheable.
     */
    void invalidateAll();
}
