org.apache.lens.server.api.query

Class PreparedQueryContext

java.lang.Object

org.apache.lens.server.api.query.AbstractQueryContext

org.apache.lens.server.api.query.PreparedQueryContext

All Implemented Interfaces:

Serializable, Comparable<Delayed>, Delayed

public class PreparedQueryContext
extends AbstractQueryContext
implements Delayed

The Class PreparedQueryContext.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lens.server.api.query.AbstractQueryContext

AbstractQueryContext.DriverEstimateRunnable

Field Summary

Fields inherited from class org.apache.lens.server.api.query.AbstractQueryContext

LOG

Constructor Summary

Constructors

Constructor and Description
PreparedQueryContext(String query, String user, org.apache.hadoop.conf.Configuration conf, Collection<LensDriver> drivers) Instantiates a new prepared query context.
PreparedQueryContext(String query, String user, org.apache.hadoop.conf.Configuration conf, LensConf qconf, Collection<LensDriver> drivers) Instantiates a new prepared query context.

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(Delayed o)
long	getDelay(TimeUnit units)
String	getLogHandle() Get prepared query handle string
String	getQueryHandleString()
LensPreparedQuery	toPreparedQuery() To prepared query.
void	updateConf(Map<String,String> confoverlay) Update conf.

Methods inherited from class org.apache.lens.server.api.query.AbstractQueryContext

clearTransientStateAfterCompleted, clearTransientStateAfterLaunch, estimateCostForDrivers, getDatabase, getDriverConf, getDriverEstimateRunnables, getDriverQuery, getDriverQueryCost, getDriverRewriteError, getFinalDriverQuery, getHiveConf, getSelectedDriver, getSelectedDriverConf, getSelectedDriverQuery, getSelectedDriverQueryCost, getSelectedDriverQueryPlan, initTransientState, setDriverQueries, setDriverQuery, setDriverRewriteError, setFinalDriverQuery, setSelectedDriver, setSelectedDriverQuery

Methods inherited from class java.lang.Object

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

Constructor Detail

PreparedQueryContext

public PreparedQueryContext(String query,
                    String user,
                    org.apache.hadoop.conf.Configuration conf,
                    Collection<LensDriver> drivers)

Instantiates a new prepared query context.

Parameters:

query - the query

user - the user

conf - the conf

PreparedQueryContext

public PreparedQueryContext(String query,
                    String user,
                    org.apache.hadoop.conf.Configuration conf,
                    LensConf qconf,
                    Collection<LensDriver> drivers)

Instantiates a new prepared query context.

Parameters:

query - the query

user - the user

conf - the conf

qconf - the qconf

Method Detail

compareTo

public int compareTo(Delayed o)

Specified by:

compareTo in interface Comparable<Delayed>

getDelay

public long getDelay(TimeUnit units)

Specified by:

getDelay in interface Delayed

updateConf

public void updateConf(Map<String,String> confoverlay)

Update conf.

Parameters:

confoverlay - the conf to set

toPreparedQuery

public LensPreparedQuery toPreparedQuery()

To prepared query.

Returns:

the lens prepared query

getQueryHandleString

public String getQueryHandleString()

getLogHandle

public String getLogHandle()

Get prepared query handle string

Overrides:

getLogHandle in class AbstractQueryContext

Returns: