org.apache.lens.server.query

Class LensPersistentResult

java.lang.Object

org.apache.lens.server.api.driver.LensResultSet

org.apache.lens.server.api.driver.PersistentResultSet

org.apache.lens.server.query.LensPersistentResult

public class LensPersistentResult
extends PersistentResultSet

The Class LensPersistentResult.

Constructor Summary

Constructors

Constructor and Description
LensPersistentResult(FinishedLensQuery query, org.apache.hadoop.conf.Configuration conf)
LensPersistentResult(QueryContext ctx, org.apache.hadoop.conf.Configuration conf)
LensPersistentResult(QueryHandle queryHandle, LensResultSetMetadata metadata, String outputPath, Integer numRows, Long fileSize, org.apache.hadoop.conf.Configuration conf) Instantiates a new lens persistent result.

Method Summary

Methods

Modifier and Type	Method and Description
Long	getFileSize() Get the size of the result set file.
String	getHttpResultUrl()
LensResultSetMetadata	getMetadata() Get the result set metadata
String	getOutputPath()
boolean	isHttpResultAvailable()
Integer	size() Get the size of the result set.

Methods inherited from class org.apache.lens.server.api.driver.PersistentResultSet

canBePurged, toQueryResult

Methods inherited from class java.lang.Object

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

Constructor Detail

LensPersistentResult

public LensPersistentResult(QueryHandle queryHandle,
                    LensResultSetMetadata metadata,
                    String outputPath,
                    Integer numRows,
                    Long fileSize,
                    org.apache.hadoop.conf.Configuration conf)

Instantiates a new lens persistent result.

Parameters:

queryHandle - the query handle

metadata - the metadata

outputPath - the output path

numRows - the num rows

conf - the lens server conf

LensPersistentResult

public LensPersistentResult(QueryContext ctx,
                    org.apache.hadoop.conf.Configuration conf)

LensPersistentResult

public LensPersistentResult(FinishedLensQuery query,
                    org.apache.hadoop.conf.Configuration conf)
                     throws ClassNotFoundException,
                            IOException

Throws:

ClassNotFoundException

IOException

Method Detail

getOutputPath

public String getOutputPath()
                     throws LensException

Specified by:

getOutputPath in class LensResultSet

Throws:

LensException

size

public Integer size()
             throws LensException

Description copied from class: LensResultSet

Get the size of the result set.

Specified by:

size in class LensResultSet

Returns:

The size if available, -1 if not available.

Throws:

LensException - the lens exception

getFileSize

public Long getFileSize()
                 throws LensException

Description copied from class: PersistentResultSet

Get the size of the result set file.

Specified by:

getFileSize in class PersistentResultSet

Returns:

The size if available, null if not available.

Throws:

LensException - the lens exception

getMetadata

public LensResultSetMetadata getMetadata()
                                  throws LensException

Description copied from class: LensResultSet

Get the result set metadata

Specified by:

getMetadata in class LensResultSet

Returns:

Returns LensResultSetMetadata

Throws:

LensException

isHttpResultAvailable

public boolean isHttpResultAvailable()

Overrides:

isHttpResultAvailable in class PersistentResultSet

getHttpResultUrl

@Generated(value="lombok")
public String getHttpResultUrl()

Overrides:

getHttpResultUrl in class PersistentResultSet