org.jetbrains.kotlin.resolve.calls.inference.SubtypingConstraint Maven / Gradle / Ivy

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/*
 * Copyright 2010-2015 JetBrains s.r.o.
 *
 * 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.jetbrains.kotlin.resolve.calls.inference;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.types.JetType;

public class SubtypingConstraint {
    private final ConstraintType type;
    private final JetType subtype;
    private final JetType supertype;

    public SubtypingConstraint(@NotNull ConstraintType type, @NotNull JetType subtype, @NotNull JetType supertype) {
        this.type = type;
        this.subtype = subtype;
        this.supertype = supertype;
    }

    @NotNull
    public JetType getSubtype() {
        return subtype;
    }

    @NotNull
    public JetType getSupertype() {
        return supertype;
    }

    @NotNull
    public ConstraintType getType() {
        return type;
    }

    @NotNull
    public String getErrorMessage() {
        return type.makeErrorMessage(this);
    }

    @Override
    public String toString() {
        return getSubtype() + " :< " + getSupertype();
    }
}