| /* |
| * Copyright 2000-2009 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 com.intellij.lang.ant.misc; |
| |
| import com.intellij.psi.PsiReference; |
| import com.intellij.util.SpinAllocator; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class PsiReferenceListSpinAllocator { |
| |
| private PsiReferenceListSpinAllocator() { |
| } |
| |
| private static class Creator implements SpinAllocator.ICreator<List<PsiReference>> { |
| public List<PsiReference> createInstance() { |
| return new ArrayList<PsiReference>(); |
| } |
| } |
| |
| private static class Disposer implements SpinAllocator.IDisposer<List<PsiReference>> { |
| public void disposeInstance(final List<PsiReference> instance) { |
| instance.clear(); |
| } |
| } |
| |
| private static final SpinAllocator<List<PsiReference>> myAllocator = |
| new SpinAllocator<List<PsiReference>>(new Creator(), new Disposer()); |
| |
| public static List<PsiReference> alloc() { |
| return myAllocator.alloc(); |
| } |
| |
| public static void dispose(List<PsiReference> instance) { |
| myAllocator.dispose(instance); |
| } |
| } |