| /* |
| * Copyright 2000-2014 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.openapi.util; |
| |
| import java.lang.ref.SoftReference; |
| |
| public final class ThreadLocalCachedIntArray { |
| private final ThreadLocal<SoftReference<int[]>> myThreadLocal = new ThreadLocal<SoftReference<int[]>>(); |
| |
| public int[] getBuffer(int size) { |
| int[] value = com.intellij.reference.SoftReference.dereference(myThreadLocal.get()); |
| if (value == null || value.length <= size) { |
| value = new int[size]; |
| myThreadLocal.set(new SoftReference<int[]>(value)); |
| } |
| |
| return value; |
| } |
| } |