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.calls.results;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    import org.jetbrains.kotlin.descriptors.CallableDescriptor;
022    import org.jetbrains.kotlin.resolve.calls.model.ResolvedCall;
023    
024    import java.util.Collection;
025    
026    public interface OverloadResolutionResults<D extends CallableDescriptor> {
027        enum Code {
028            SUCCESS(true),
029            NAME_NOT_FOUND(false),
030            SINGLE_CANDIDATE_ARGUMENT_MISMATCH(false),
031            AMBIGUITY(false),
032            MANY_FAILED_CANDIDATES(false),
033            CANDIDATES_WITH_WRONG_RECEIVER(false),
034            INCOMPLETE_TYPE_INFERENCE(false);
035    
036            private final boolean success;
037    
038            Code(boolean success) {
039                this.success = success;
040            }
041    
042            boolean isSuccess() {
043                return success;
044            }
045        }
046    
047        /* All candidates are collected only if ResolutionContext.collectAllCandidates is set to true */
048        @Nullable
049        Collection<ResolvedCall<D>> getAllCandidates();
050    
051        @NotNull
052        Collection<? extends ResolvedCall<D>> getResultingCalls();
053    
054        @NotNull
055        ResolvedCall<D> getResultingCall();
056    
057        @NotNull
058        D getResultingDescriptor();
059    
060        @NotNull
061        Code getResultCode();
062    
063        boolean isSuccess();
064    
065        boolean isSingleResult();
066    
067        boolean isNothing();
068    
069        boolean isAmbiguity();
070    
071        boolean isIncomplete();
072    }