/*
* Copyright 2003-2016 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.language;
import org.jetbrains.annotations.NotNull;
/**
* Represents an abstract meta-definition of node connections. These can express either references or containment relationships.
*/
public interface SAbstractLink extends SConceptFeature {
/**
* @deprecated use {@link #getName()}
*/
@Deprecated
String getRole();
/**
* The concept for the nodes that this link points to.
*/
@NotNull
SAbstractConcept getTargetConcept();
/**
* True for references, false for containment relationships.
* @deprecated boolean limits API to two link kinds possible
*/
@Deprecated
boolean isReference();
/**
* This link may contain no elements.
*/
boolean isOptional();
/**
* Instance nodes can contain more than one link like this.
*/
boolean isMultiple();
}