| /* |
| * Copyright 2000-2012 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.jps.model.module.impl; |
| |
| import com.intellij.openapi.util.Ref; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.jps.model.JpsElementChildRole; |
| import org.jetbrains.jps.model.ex.JpsElementChildRoleBase; |
| import org.jetbrains.jps.model.module.JpsModule; |
| import org.jetbrains.jps.model.module.JpsModuleDependency; |
| import org.jetbrains.jps.model.module.JpsModuleReference; |
| |
| /** |
| * @author nik |
| */ |
| public class JpsModuleDependencyImpl extends JpsDependencyElementBase<JpsModuleDependencyImpl> implements JpsModuleDependency { |
| private static final JpsElementChildRole<JpsModuleReference> |
| MODULE_REFERENCE_CHILD_ROLE = JpsElementChildRoleBase.create("module reference"); |
| |
| private volatile Ref<JpsModule> myCachedModule = null; |
| |
| public JpsModuleDependencyImpl(final JpsModuleReference moduleReference) { |
| super(); |
| myContainer.setChild(MODULE_REFERENCE_CHILD_ROLE, moduleReference); |
| } |
| |
| public JpsModuleDependencyImpl(JpsModuleDependencyImpl original) { |
| super(original); |
| } |
| |
| @NotNull |
| @Override |
| public JpsModuleReference getModuleReference() { |
| return myContainer.getChild(MODULE_REFERENCE_CHILD_ROLE); |
| } |
| |
| @Override |
| public JpsModule getModule() { |
| Ref<JpsModule> moduleRef = myCachedModule; |
| if (moduleRef == null) { |
| moduleRef = new Ref<JpsModule>(getModuleReference().resolve()); |
| myCachedModule = moduleRef; |
| } |
| return moduleRef.get(); |
| } |
| |
| @NotNull |
| @Override |
| public JpsModuleDependencyImpl createCopy() { |
| return new JpsModuleDependencyImpl(this); |
| } |
| |
| @Override |
| public String toString() { |
| return "module dep [" + getModuleReference() + "]"; |
| } |
| } |