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.resolve;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor;
021    import org.jetbrains.kotlin.descriptors.Visibilities;
022    
023    import java.util.Queue;
024    
025    public class VisibilityUtil {
026        @NotNull
027        public static CallableMemberDescriptor findMemberWithMaxVisibility(@NotNull Queue<CallableMemberDescriptor> descriptors) {
028            CallableMemberDescriptor descriptor = descriptors.element();
029            for (CallableMemberDescriptor candidate : descriptors) {
030                Integer result = Visibilities.compare(descriptor.getVisibility(), candidate.getVisibility());
031                if (result != null && result < 0) {
032                    descriptor = candidate;
033                }
034            }
035            return descriptor;
036        }
037    }