org.apache.hadoop.yarn.logaggregation.filecontroller

Class LogAggregationHtmlBlock

java.lang.Object

org.apache.hadoop.yarn.webapp.View

org.apache.hadoop.yarn.webapp.view.TextView

org.apache.hadoop.yarn.webapp.view.HtmlBlock

org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationHtmlBlock

All Implemented Interfaces:

Params, SubView

Direct Known Subclasses:

IndexedFileAggregatedLogsBlock, TFileAggregatedLogsBlock

@InterfaceAudience.LimitedPrivate(value={"YARN","MapReduce"})
public abstract class LogAggregationHtmlBlock
extends HtmlBlock

Base class to implement Aggregated Logs Block.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	LogAggregationHtmlBlock.BlockParameters

Nested classes/interfaces inherited from class org.apache.hadoop.yarn.webapp.view.HtmlBlock

HtmlBlock.Block

Nested classes/interfaces inherited from class org.apache.hadoop.yarn.webapp.View

View.ViewContext

Field Summary

Fields inherited from class org.apache.hadoop.yarn.webapp.view.HtmlBlock

UNAVAILABLE

Fields inherited from class org.apache.hadoop.yarn.webapp.View

LOG

Fields inherited from interface org.apache.hadoop.yarn.webapp.Params

ERROR_DETAILS, TITLE, TITLE_LINK, USER

Constructor Summary

Constructors

Constructor and Description
LogAggregationHtmlBlock(View.ViewContext ctx)

Method Summary

Modifier and Type	Method and Description
protected boolean	checkAcls(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.yarn.api.records.ApplicationId appId, String owner, Map<org.apache.hadoop.yarn.api.records.ApplicationAccessType,String> appAcls, String remoteUser)
protected long[]	checkParseRange(HtmlBlock.Block html, long startIndex, long endIndex, long startTime, long endTime, long logLength, String logType)
protected void	processContainerLog(HtmlBlock.Block html, long[] range, InputStream in, int bufferSize, byte[] cbuf)
protected LogAggregationHtmlBlock.BlockParameters	verifyAndParseParameters(HtmlBlock.Block html)

Methods inherited from class org.apache.hadoop.yarn.webapp.view.HtmlBlock

getCallerUGI, render, render, renderPartial

Methods inherited from class org.apache.hadoop.yarn.webapp.view.TextView

echo, echoWithoutEscapeHtml, puts, putWithoutEscapeHtml, writer

Methods inherited from class org.apache.hadoop.yarn.webapp.View

$, $, context, cookies, error, getInstance, inDevMode, info, injector, moreParams, outputStream, prefix, render, request, response, root_url, root, set, setTitle, setTitle, status, url

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LogAggregationHtmlBlock

@Inject
public LogAggregationHtmlBlock(View.ViewContext ctx)

Method Detail

verifyAndParseParameters

protected LogAggregationHtmlBlock.BlockParameters verifyAndParseParameters(HtmlBlock.Block html)

checkAcls

protected boolean checkAcls(org.apache.hadoop.conf.Configuration conf,
                            org.apache.hadoop.yarn.api.records.ApplicationId appId,
                            String owner,
                            Map<org.apache.hadoop.yarn.api.records.ApplicationAccessType,String> appAcls,
                            String remoteUser)

checkParseRange

protected long[] checkParseRange(HtmlBlock.Block html,
                                 long startIndex,
                                 long endIndex,
                                 long startTime,
                                 long endTime,
                                 long logLength,
                                 String logType)

processContainerLog

protected void processContainerLog(HtmlBlock.Block html,
                                   long[] range,
                                   InputStream in,
                                   int bufferSize,
                                   byte[] cbuf)
                            throws IOException

Throws:

IOException