本文整理汇总了Java中org.apache.hadoop.hdfs.qjournal.server.GetJournalEditServlet类的典型用法代码示例。如果您正苦于以下问题：Java GetJournalEditServlet类的具体用法？Java GetJournalEditServlet怎么用？Java GetJournalEditServlet使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
GetJournalEditServlet类属于org.apache.hadoop.hdfs.qjournal.server包，在下文中一共展示了GetJournalEditServlet类的4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: buildURLToFetchLogs
import org.apache.hadoop.hdfs.qjournal.server.GetJournalEditServlet; //导入依赖的package包/类
@Override
public URL buildURLToFetchLogs(long segmentTxId, long position) {
Preconditions.checkArgument(segmentTxId > -1,
"Invalid segment: %s", segmentTxId);
Preconditions.checkState(httpPort != -1,
"HTTP port not set yet");
try {
String path = GetJournalEditServlet.buildPath(
journalId, segmentTxId, nsInfo, position);
return new URL("http", addr.getAddress().getHostAddress(), httpPort, path.toString());
} catch (MalformedURLException e) {
// should never get here.
throw new IllegalStateException(e);
}
}
示例2: buildURLToFetchLogs
import org.apache.hadoop.hdfs.qjournal.server.GetJournalEditServlet; //导入依赖的package包/类
@Override
public URL buildURLToFetchLogs(long segmentTxId) {
Preconditions.checkArgument(segmentTxId > 0,
"Invalid segment: %s", segmentTxId);
Preconditions.checkState(httpPort != -1,
"HTTP port not set yet");
try {
String path = GetJournalEditServlet.buildPath(
journalId, segmentTxId, nsInfo);
return new URL("http", addr.getHostName(), httpPort, path.toString());
} catch (MalformedURLException e) {
// should never get here.
throw new RuntimeException(e);
}
}
示例3: buildURLToFetchLogs
import org.apache.hadoop.hdfs.qjournal.server.GetJournalEditServlet; //导入依赖的package包/类
@Override
public URL buildURLToFetchLogs(long segmentTxId) {
Preconditions.checkArgument(segmentTxId > 0,
"Invalid segment: %s", segmentTxId);
Preconditions.checkState(hasHttpServerEndPoint(), "No HTTP/HTTPS endpoint");
try {
String path = GetJournalEditServlet.buildPath(
journalId, segmentTxId, nsInfo);
return new URL(httpServerURL, path);
} catch (MalformedURLException e) {
// should never get here.
throw new RuntimeException(e);
}
}
示例4: getInputStream
import org.apache.hadoop.hdfs.qjournal.server.GetJournalEditServlet; //导入依赖的package包/类
public InputStream getInputStream(long position) throws IOException {
url = logger.buildURLToFetchLogs(firstTxId, position);
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
// set timeout for connecting and reading
connection.setConnectTimeout(httpTimeout);
connection.setReadTimeout(httpTimeout);
if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
throw new IOException(
"Fetch of " + url +
" failed with status code " + connection.getResponseCode() +
"\nResponse message:\n" + connection.getResponseMessage());
}
String contentLength = connection.getHeaderField(CONTENT_LENGTH);
if (contentLength != null) {
advertisedSize = Long.parseLong(contentLength);
if (advertisedSize < 0) {
throw new IOException("Invalid " + CONTENT_LENGTH + " header: " +
contentLength);
}
} else {
throw new IOException(CONTENT_LENGTH + " header is not provided " +
"by the server when trying to fetch " + url);
}
String lastValidTxIdStr = connection.getHeaderField(GetJournalEditServlet.LAST_VALID_TXID);
if (lastValidTxIdStr == null) {
throw new IOException(GetJournalEditServlet.LAST_VALID_TXID + " is not provided");
}
String isInProgressStr = connection.getHeaderField(GetJournalEditServlet.IS_IN_PROGRESS);
if (isInProgressStr == null) {
throw new IOException(GetJournalEditServlet.IS_IN_PROGRESS + " is not provided");
}
isInProgress = Boolean.valueOf(isInProgressStr);
lastValidTxId = Long.valueOf(lastValidTxIdStr);
startPosition = position;
return connection.getInputStream();
}