本文整理汇总了Java中com.alibaba.rocketmq.remoting.protocol.RemotingCommand.encodeHeader方法的典型用法代码示例。如果您正苦于以下问题：Java RemotingCommand.encodeHeader方法的具体用法？Java RemotingCommand.encodeHeader怎么用？Java RemotingCommand.encodeHeader使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.alibaba.rocketmq.remoting.protocol.RemotingCommand的用法示例。
在下文中一共展示了RemotingCommand.encodeHeader方法的3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: encode
import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
@Override
public void encode(ChannelHandlerContext ctx, RemotingCommand remotingCommand, ByteBuf out)
throws Exception {
try {
ByteBuffer header = remotingCommand.encodeHeader();
out.writeBytes(header);
byte[] body = remotingCommand.getBody();
if (body != null) {
out.writeBytes(body);
}
} catch (Exception e) {
log.error("encode exception, " + RemotingHelper.parseChannelRemoteAddr(ctx.channel()), e);
if (remotingCommand != null) {
log.error(remotingCommand.toString());
}
RemotingUtil.closeChannel(ctx.channel());
}
}
示例2: checkProducerTransactionState
import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
public void checkProducerTransactionState(//
final Channel channel,//
final CheckTransactionStateRequestHeader requestHeader,//
final SelectMapedBufferResult selectMapedBufferResult//
) {
RemotingCommand request =
RemotingCommand.createRequestCommand(RequestCode.CHECK_TRANSACTION_STATE, requestHeader);
request.markOnewayRPC();
try {
FileRegion fileRegion =
new OneMessageTransfer(request.encodeHeader(selectMapedBufferResult.getSize()),
selectMapedBufferResult);
channel.writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
selectMapedBufferResult.release();
if (!future.isSuccess()) {
log.error("invokeProducer failed,", future.cause());
}
}
});
}
catch (Throwable e) {
log.error("invokeProducer exception", e);
selectMapedBufferResult.release();
}
}
示例3: viewMessageById
import com.alibaba.rocketmq.remoting.protocol.RemotingCommand; //导入方法依赖的package包/类
public RemotingCommand viewMessageById(ChannelHandlerContext ctx, RemotingCommand request)
throws RemotingCommandException {
final RemotingCommand response = RemotingCommand.createResponseCommand(null);
final ViewMessageRequestHeader requestHeader =
(ViewMessageRequestHeader) request.decodeCommandCustomHeader(ViewMessageRequestHeader.class);
response.setOpaque(request.getOpaque());
final SelectMapedBufferResult selectMapedBufferResult =
this.brokerController.getMessageStore().selectOneMessageByOffset(requestHeader.getOffset());
if (selectMapedBufferResult != null) {
response.setCode(ResponseCode.SUCCESS);
response.setRemark(null);
try {
FileRegion fileRegion =
new OneMessageTransfer(response.encodeHeader(selectMapedBufferResult.getSize()),
selectMapedBufferResult);
ctx.channel().writeAndFlush(fileRegion).addListener(new ChannelFutureListener() {
@Override
public void operationComplete(ChannelFuture future) throws Exception {
selectMapedBufferResult.release();
if (!future.isSuccess()) {
log.error("transfer one message by pagecache failed, ", future.cause());
}
}
});
}
catch (Throwable e) {
log.error("", e);
selectMapedBufferResult.release();
}
return null;
}
else {
response.setCode(ResponseCode.SYSTEM_ERROR);
response.setRemark("can not find message by the offset, " + requestHeader.getOffset());
}
return response;
}