| /* |
| * |
| * 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.qpid.server.protocol.v0_8; |
| |
| import org.apache.qpid.bytebuffer.QpidByteBuffer; |
| import org.apache.qpid.framing.AMQDataBlock; |
| import org.apache.qpid.transport.ByteBufferSender; |
| |
| class CachedFrame extends AMQDataBlock |
| { |
| private final String _toString; |
| private final QpidByteBuffer _buffer; |
| private final long _size; |
| private boolean _disposed; |
| |
| CachedFrame(AMQDataBlock original) |
| { |
| _toString = original.toString(); |
| _size = original.getSize(); |
| _buffer = QpidByteBuffer.allocate(true, (int)_size); |
| original.writePayload(new BufferWriterSender(_buffer)); |
| _buffer.flip(); |
| } |
| |
| @Override |
| public long getSize() |
| { |
| return _size; |
| } |
| |
| @Override |
| public long writePayload(final ByteBufferSender sender) |
| { |
| |
| QpidByteBuffer dup = _buffer.duplicate(); |
| sender.send(dup); |
| dup.dispose(); |
| return _size; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return _toString; |
| } |
| |
| private static class BufferWriterSender implements ByteBufferSender |
| { |
| private final QpidByteBuffer _buffer; |
| |
| BufferWriterSender(final QpidByteBuffer buffer) |
| { |
| _buffer = buffer; |
| } |
| |
| @Override |
| public boolean isDirectBufferPreferred() |
| { |
| return true; |
| } |
| |
| @Override |
| public void send(final QpidByteBuffer msg) |
| { |
| QpidByteBuffer dup = msg.duplicate(); |
| _buffer.put(dup); |
| dup.dispose(); |
| } |
| |
| @Override |
| public void flush() |
| { |
| |
| } |
| |
| @Override |
| public void close() |
| { |
| |
| } |
| } |
| |
| public void dispose() |
| { |
| _buffer.dispose(); |
| _disposed = true; |
| } |
| } |