org.apache.lens.server.api.driver

Class PersistentResultSet

java.lang.Object

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

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

Direct Known Subclasses:

HivePersistentResultSet, LensPersistentResult

public abstract class PersistentResultSet
extends LensResultSet

The Class PersistentResultSet.

Constructor Summary

Constructors

Constructor and Description
PersistentResultSet()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	canBePurged()
abstract Long	getFileSize() Get the size of the result set file.
String	getHttpResultUrl()
boolean	isHttpResultAvailable()
PersistentQueryResult	toQueryResult() Get the corresponding query result object.

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

getMetadata, getOutputPath, size

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistentResultSet

public PersistentResultSet()

Method Detail

canBePurged

public boolean canBePurged()

Specified by:

canBePurged in class LensResultSet

Returns:

true if the result can be purged

getFileSize

public abstract Long getFileSize()
                          throws LensException

Get the size of the result set file.

Returns:

The size if available, null if not available.

Throws:

LensException - the lens exception

getHttpResultUrl

public String getHttpResultUrl()

toQueryResult

public PersistentQueryResult toQueryResult()
                                    throws LensException

Description copied from class: LensResultSet

Get the corresponding query result object.

Specified by:

toQueryResult in class LensResultSet

Returns:

QueryResult

Throws:

LensException - the lens exception

isHttpResultAvailable

public boolean isHttpResultAvailable()
                              throws LensException

Specified by:

isHttpResultAvailable in class LensResultSet

Throws:

LensException