本文整理汇总了Java中org.jboss.netty.buffer.ChannelBuffers.EMPTY_BUFFER属性的典型用法代码示例。如果您正苦于以下问题：Java ChannelBuffers.EMPTY_BUFFER属性的具体用法？Java ChannelBuffers.EMPTY_BUFFER怎么用？Java ChannelBuffers.EMPTY_BUFFER使用的例子？那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.jboss.netty.buffer.ChannelBuffers的用法示例。
在下文中一共展示了ChannelBuffers.EMPTY_BUFFER属性的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: toChannelBuffer
@Override
public ChannelBuffer toChannelBuffer() {
// nothing to do
if (length == 0) {
return ChannelBuffers.EMPTY_BUFFER;
}
ChannelBuffer[] buffers;
ChannelBuffer currentBuffer = null;
BytesRef ref = new BytesRef();
int pos = 0;
// are we a slice?
if (offset != 0) {
// remaining size of page fragment at offset
int fragmentSize = Math.min(length, PAGE_SIZE - (offset % PAGE_SIZE));
bytearray.get(offset, fragmentSize, ref);
currentBuffer = ChannelBuffers.wrappedBuffer(ref.bytes, ref.offset, fragmentSize);
pos += fragmentSize;
}
// no need to create a composite buffer for a single page
if (pos == length && currentBuffer != null) {
return currentBuffer;
}
// a slice > pagesize will likely require extra buffers for initial/trailing fragments
int numBuffers = countRequiredBuffers((currentBuffer != null ? 1 : 0), length - pos);
buffers = new ChannelBuffer[numBuffers];
int bufferSlot = 0;
if (currentBuffer != null) {
buffers[bufferSlot] = currentBuffer;
bufferSlot++;
}
// handle remainder of pages + trailing fragment
while (pos < length) {
int remaining = length - pos;
int bulkSize = (remaining > PAGE_SIZE) ? PAGE_SIZE : remaining;
bytearray.get(offset + pos, bulkSize, ref);
currentBuffer = ChannelBuffers.wrappedBuffer(ref.bytes, ref.offset, bulkSize);
buffers[bufferSlot] = currentBuffer;
bufferSlot++;
pos += bulkSize;
}
// this would indicate that our numBuffer calculation is off by one.
assert (numBuffers == bufferSlot);
return ChannelBuffers.wrappedBuffer(NettyUtils.DEFAULT_GATHERING, buffers);
}