/*
* 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 jetbrains.mps.nodeEditor.menus;
import jetbrains.mps.smodel.constraints.ModelConstraints;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.mps.openapi.language.SAbstractConcept;
import org.jetbrains.mps.openapi.language.SContainmentLink;
import org.jetbrains.mps.openapi.model.SNode;
import java.util.function.Predicate;
/**
* @author simon
*/
public class CanBeChildPredicate implements Predicate<SAbstractConcept> {
@NotNull
private final SNode myParentNode;
@Nullable
private final SNode myLinkDeclarationNode;
public CanBeChildPredicate(@NotNull SNode parentNode, @Nullable SContainmentLink link) {
myParentNode = parentNode;
myLinkDeclarationNode = link == null ? null : link.getDeclarationNode();
}
@Override
public boolean test(@Nullable SAbstractConcept concept) {
return concept == null || ModelConstraints.canBeChild(concept, myParentNode, myLinkDeclarationNode, null, null);
}
}