001/*
002 * Copyright 2010-2013 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
017package org.jetbrains.jet.lang.resolve;
018
019import org.jetbrains.annotations.NotNull;
020import org.jetbrains.jet.lang.descriptors.CallableMemberDescriptor;
021import org.jetbrains.jet.lang.descriptors.Visibilities;
022
023import java.util.Queue;
024
025public 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}