org.apache.hadoop.gateway.hdfs.dispatch

Class WebHdfsHaHttpClientDispatch

java.lang.Object

org.apache.hadoop.gateway.filter.AbstractGatewayFilter

org.apache.hadoop.gateway.dispatch.AbstractGatewayDispatch

org.apache.hadoop.gateway.dispatch.HttpClientDispatch

org.apache.hadoop.gateway.hdfs.dispatch.HdfsDispatch

org.apache.hadoop.gateway.hdfs.dispatch.WebHdfsHaHttpClientDispatch

All Implemented Interfaces:

javax.servlet.Filter, Dispatch

public class WebHdfsHaHttpClientDispatch
extends HdfsDispatch

Field Summary

Fields

Modifier and Type	Field and Description
static String	RESOURCE_ROLE_ATTRIBUTE

Fields inherited from class org.apache.hadoop.gateway.dispatch.HttpClientDispatch

AMP_DELEGATION_EQ, appCookieManager, auditor, COOKIE, NEGOTIATE, Q_DELEGATION_EQ, REPLAY_BUFFER_SIZE_PARAM, RES, SET_COOKIE, WWW_AUTHENTICATE

Fields inherited from class org.apache.hadoop.gateway.filter.AbstractGatewayFilter

SOURCE_REQUEST_CONTEXT_URL_ATTRIBUTE_NAME, SOURCE_REQUEST_URL_ATTRIBUTE_NAME, TARGET_REQUEST_URL_ATTRIBUTE_NAME, TARGET_SERVICE_ROLE

Constructor Summary

Constructors

Constructor and Description
WebHdfsHaHttpClientDispatch()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	executeRequest(org.apache.http.client.methods.HttpUriRequest outboundRequest, javax.servlet.http.HttpServletRequest inboundRequest, javax.servlet.http.HttpServletResponse outboundResponse)
void	init(javax.servlet.FilterConfig filterConfig)
protected void	writeOutboundResponse(org.apache.http.client.methods.HttpUriRequest outboundRequest, javax.servlet.http.HttpServletRequest inboundRequest, javax.servlet.http.HttpServletResponse outboundResponse, org.apache.http.HttpResponse inboundResponse) Checks for specific outbound response codes/content to trigger a retry or failover

Methods inherited from class org.apache.hadoop.gateway.hdfs.dispatch.HdfsDispatch

createRequestEntity

Methods inherited from class org.apache.hadoop.gateway.dispatch.HttpClientDispatch

addCredentialsToRequest, doDelete, doGet, doOptions, doPost, doPut, executeKerberosDispatch, executeOutboundRequest, getReplayBufferSize, init, setReplayBufferSize

Methods inherited from class org.apache.hadoop.gateway.dispatch.AbstractGatewayDispatch

copyRequestHeaderFields, doFilter, getDispatchUrl, writeResponse

Methods inherited from class org.apache.hadoop.gateway.filter.AbstractGatewayFilter

destroy, doFilter, getConfig

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE_ROLE_ATTRIBUTE

public static final String RESOURCE_ROLE_ATTRIBUTE

See Also:

Constant Field Values

Constructor Detail

WebHdfsHaHttpClientDispatch

public WebHdfsHaHttpClientDispatch()
                            throws javax.servlet.ServletException

Throws:

javax.servlet.ServletException

Method Detail

init

public void init(javax.servlet.FilterConfig filterConfig)
          throws javax.servlet.ServletException

Specified by:

init in interface javax.servlet.Filter

Overrides:

init in class HttpClientDispatch

Throws:

javax.servlet.ServletException

executeRequest

protected void executeRequest(org.apache.http.client.methods.HttpUriRequest outboundRequest,
                  javax.servlet.http.HttpServletRequest inboundRequest,
                  javax.servlet.http.HttpServletResponse outboundResponse)
                       throws IOException

Overrides:

executeRequest in class HttpClientDispatch

Throws:

IOException

writeOutboundResponse

protected void writeOutboundResponse(org.apache.http.client.methods.HttpUriRequest outboundRequest,
                         javax.servlet.http.HttpServletRequest inboundRequest,
                         javax.servlet.http.HttpServletResponse outboundResponse,
                         org.apache.http.HttpResponse inboundResponse)
                              throws IOException

Checks for specific outbound response codes/content to trigger a retry or failover

Overrides:

writeOutboundResponse in class HttpClientDispatch

Throws:

IOException