/*
* Copyright 2003-2012 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.mps.openapi.module;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* Represents a dependency between modules. It points to the target module, can be of several kinds and may declare re-export.
*/
public interface SDependency {
@NotNull
SDependencyScope getScope();
boolean isReexport();
/**
* Target module of this dependency as we know it. Presence of a dependency doesn't mean its target is present,
* it's subject to resolution with appropriate <code>SRepository</code>
* @return identity of dependency target module
*/
@NotNull
SModuleReference getTargetModule();
/**
* Resolves dependency target in scope of source's repository.
* If a different scope/repository shall be used for resolution, use {@link #getTargetModule()}
* @return <code>null</code> if dependency could not be resolved
*/
@Nullable
SModule getTarget();
}