| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.ignite.internal.marshaller.optimized; |
| |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| |
| /** |
| * |
| */ |
| public class OptimizedObjectSharedStreamRegistry extends OptimizedObjectStreamRegistry { |
| /** */ |
| private static final ThreadLocal<StreamHolder> holders = new ThreadLocal<>(); |
| |
| /** {@inheritDoc} */ |
| @Override OptimizedObjectOutputStream out() { |
| return holder().acquireOut(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override OptimizedObjectInputStream in() { |
| return holder().acquireIn(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override void closeOut(OptimizedObjectOutputStream out) { |
| U.close(out, null); |
| |
| StreamHolder holder = holders.get(); |
| |
| if (holder != null) |
| holder.releaseOut(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override void closeIn(OptimizedObjectInputStream in) { |
| U.close(in, null); |
| |
| StreamHolder holder = holders.get(); |
| |
| if (holder != null) |
| holder.releaseIn(); |
| } |
| |
| /** |
| * Closes and releases not cached input stream. |
| * |
| * @param in Object input stream. |
| */ |
| void closeNotCachedIn(OptimizedObjectInputStream in) { |
| U.close(in, null); |
| |
| StreamHolder holder = holders.get(); |
| |
| if (holder != null) { |
| holder.releaseIn(); |
| |
| holders.set(null); |
| } |
| } |
| |
| /** |
| * Gets holder from pool or thread local. |
| * |
| * @return Stream holder. |
| */ |
| private static StreamHolder holder() { |
| StreamHolder holder = holders.get(); |
| |
| if (holder == null) |
| holders.set(holder = new StreamHolder()); |
| |
| return holder; |
| } |
| |
| /** |
| * Streams holder. |
| */ |
| private static class StreamHolder { |
| /** Output stream. */ |
| private final OptimizedObjectOutputStream out = createOut(); |
| |
| /** Input stream. */ |
| private final OptimizedObjectInputStream in = createIn(); |
| |
| /** Output streams counter. */ |
| private int outAcquireCnt; |
| |
| /** Input streams counter. */ |
| private int inAcquireCnt; |
| |
| /** |
| * Gets output stream. |
| * |
| * @return Object output stream. |
| */ |
| OptimizedObjectOutputStream acquireOut() { |
| return outAcquireCnt++ > 0 ? createOut() : out; |
| } |
| |
| /** |
| * Gets input stream. |
| * |
| * @return Object input stream. |
| */ |
| OptimizedObjectInputStream acquireIn() { |
| return inAcquireCnt++ > 0 ? createIn() : in; |
| } |
| |
| /** |
| * Releases output stream. |
| */ |
| void releaseOut() { |
| outAcquireCnt--; |
| } |
| |
| /** |
| * Releases input stream. |
| */ |
| void releaseIn() { |
| inAcquireCnt--; |
| } |
| } |
| } |