本文整理汇总了Java中org.apache.hadoop.nfs.nfs3.Nfs3Status.NFS3ERR_JUKEBOX属性的典型用法代码示例。如果您正苦于以下问题：Java Nfs3Status.NFS3ERR_JUKEBOX属性的具体用法？Java Nfs3Status.NFS3ERR_JUKEBOX怎么用？Java Nfs3Status.NFS3ERR_JUKEBOX使用的例子？那么恭喜您, 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.apache.hadoop.nfs.nfs3.Nfs3Status的用法示例。
在下文中一共展示了Nfs3Status.NFS3ERR_JUKEBOX属性的2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: commitBeforeRead
int commitBeforeRead(DFSClient dfsClient, FileHandle fileHandle,
long commitOffset) {
int status;
OpenFileCtx openFileCtx = fileContextCache.get(fileHandle);
if (openFileCtx == null) {
if (LOG.isDebugEnabled()) {
LOG.debug("No opened stream for fileId: " + fileHandle.getFileId()
+ " commitOffset=" + commitOffset
+ ". Return success in this case.");
}
status = Nfs3Status.NFS3_OK;
} else {
// commit request triggered by read won't create pending comment obj
COMMIT_STATUS ret = openFileCtx.checkCommit(dfsClient, commitOffset,
null, 0, null, true);
switch (ret) {
case COMMIT_FINISHED:
case COMMIT_INACTIVE_CTX:
status = Nfs3Status.NFS3_OK;
break;
case COMMIT_INACTIVE_WITH_PENDING_WRITE:
case COMMIT_ERROR:
status = Nfs3Status.NFS3ERR_IO;
break;
case COMMIT_WAIT:
case COMMIT_SPECIAL_WAIT:
/**
* This should happen rarely in some possible cases, such as read
* request arrives before DFSClient is able to quickly flush data to DN,
* or Prerequisite writes is not available. Won't wait since we don't
* want to block read.
*/
status = Nfs3Status.NFS3ERR_JUKEBOX;
break;
case COMMIT_SPECIAL_SUCCESS:
// Read beyond eof could result in partial read
status = Nfs3Status.NFS3_OK;
break;
default:
LOG.error("Should not get commit return code: " + ret.name());
throw new RuntimeException("Should not get commit return code: "
+ ret.name());
}
}
return status;
}
示例2: handleCommit
void handleCommit(DFSClient dfsClient, FileHandle fileHandle,
long commitOffset, Channel channel, int xid, Nfs3FileAttributes preOpAttr) {
long startTime = System.nanoTime();
int status;
OpenFileCtx openFileCtx = fileContextCache.get(fileHandle);
if (openFileCtx == null) {
LOG.info("No opened stream for fileId: " + fileHandle.getFileId()
+ " commitOffset=" + commitOffset + ". Return success in this case.");
status = Nfs3Status.NFS3_OK;
} else {
COMMIT_STATUS ret = openFileCtx.checkCommit(dfsClient, commitOffset,
channel, xid, preOpAttr, false);
switch (ret) {
case COMMIT_FINISHED:
case COMMIT_INACTIVE_CTX:
status = Nfs3Status.NFS3_OK;
break;
case COMMIT_INACTIVE_WITH_PENDING_WRITE:
case COMMIT_ERROR:
status = Nfs3Status.NFS3ERR_IO;
break;
case COMMIT_WAIT:
// Do nothing. Commit is async now.
return;
case COMMIT_SPECIAL_WAIT:
status = Nfs3Status.NFS3ERR_JUKEBOX;
break;
case COMMIT_SPECIAL_SUCCESS:
status = Nfs3Status.NFS3_OK;
break;
default:
LOG.error("Should not get commit return code: " + ret.name());
throw new RuntimeException("Should not get commit return code: "
+ ret.name());
}
}
// Send out the response
Nfs3FileAttributes postOpAttr = null;
try {
postOpAttr = getFileAttr(dfsClient, new FileHandle(preOpAttr.getFileId()), iug);
} catch (IOException e1) {
LOG.info("Can't get postOpAttr for fileId: " + preOpAttr.getFileId(), e1);
}
WccData fileWcc = new WccData(Nfs3Utils.getWccAttr(preOpAttr), postOpAttr);
COMMIT3Response response = new COMMIT3Response(status, fileWcc,
Nfs3Constant.WRITE_COMMIT_VERF);
RpcProgramNfs3.metrics.addCommit(Nfs3Utils.getElapsedTime(startTime));
Nfs3Utils.writeChannelCommit(channel,
response.serialize(new XDR(), xid, new VerifierNone()), xid);
}