001    /*
002     * Copyright 2010-2015 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.kotlin.codegen.state;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    
022    import java.io.File;
023    import java.util.Collection;
024    
025    public interface Progress {
026        Progress DEAF = new Progress() {
027            @Override
028            public void reportOutput(@NotNull Collection<File> sourceFiles, @Nullable File outputFile) {
029            }
030        };
031    
032        /**
033         * @param sourceFiles a (possibly empty) collection of source files {@code outputFile} was generated from
034         * @param outputFile an output file
035         */
036        void reportOutput(@NotNull Collection<File> sourceFiles, @Nullable File outputFile);
037    }