org.apache.hawq.pxf.service.rest

Class BridgeResource

java.lang.Object

org.apache.hawq.pxf.service.rest.RestResource

org.apache.hawq.pxf.service.rest.BridgeResource

public class BridgeResource
extends RestResource

Constructor Summary

Constructors

Constructor and Description
BridgeResource()

Method Summary

Modifier and Type	Method and Description
javax.ws.rs.core.Response	read(javax.servlet.ServletContext servletContext, javax.ws.rs.core.HttpHeaders headers) Used to be HDFSReader.

Methods inherited from class org.apache.hawq.pxf.service.rest.RestResource

convertToCaseInsensitiveMap

Methods inherited from class java.lang.Object

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

Constructor Detail

BridgeResource

public BridgeResource()

Method Detail

read

public javax.ws.rs.core.Response read(@Context
                                      javax.servlet.ServletContext servletContext,
                                      @Context
                                      javax.ws.rs.core.HttpHeaders headers)
                               throws java.lang.Exception

Used to be HDFSReader. Creates a bridge instance and iterates over its records, printing it out to outgoing stream. Outputs GPDBWritable or Text. Parameters come through HTTP header.

Parameters:

servletContext - Servlet context contains attributes required by SecuredHDFS

headers - Holds HTTP headers from request

Returns:

response object containing stream that will output records

Throws:

java.lang.Exception - in case of wrong request parameters, or failure to initialize bridge