org.apache.lens.cube.parse
Class SimpleHQLContext

java.lang.Object
  org.apache.lens.cube.parse.SimpleHQLContext

All Implemented Interfaces:

HQLContextInterface

Direct Known Subclasses:

FactHQLContext

public abstract class SimpleHQLContext
extends Object
implements HQLContextInterface

Accepts strings of all expressions and constructs HQL query.

Making this as an abstract class because it provides constructors without all expressions being set.

Field Summary

static org.apache.commons.logging.Log

LOG

Method Summary

String	getFrom() Get from string
String	getGroupby() Get groupby string
String	getHaving() Get having string
Integer	getLimit() Get limit
String	getOrderby() Get orderby string
String	getSelect() Get select expression.
String	getWhere() Get where string
String	toHQL() Get the HQL query.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

Method Detail

toHQL

public String toHQL()
             throws org.apache.hadoop.hive.ql.parse.SemanticException

Description copied from interface: HQLContextInterface

Get the HQL query.

Specified by:

toHQL in interface HQLContextInterface

Returns:

query string

Throws:

org.apache.hadoop.hive.ql.parse.SemanticException

getFrom

public String getFrom()

Description copied from interface: HQLContextInterface

Get from string

Specified by:

getFrom in interface HQLContextInterface

Returns:

from

getWhere

public String getWhere()

Description copied from interface: HQLContextInterface

Get where string

Specified by:

getWhere in interface HQLContextInterface

Returns:

where

getSelect

public String getSelect()

Description copied from interface: HQLContextInterface

Get select expression.

Specified by:

getSelect in interface HQLContextInterface

Returns:

select

getGroupby

public String getGroupby()

Description copied from interface: HQLContextInterface

Get groupby string

Specified by:

getGroupby in interface HQLContextInterface

Returns:

groupby

getHaving

public String getHaving()

Description copied from interface: HQLContextInterface

Get having string

Specified by:

getHaving in interface HQLContextInterface

Returns:

having

getOrderby

public String getOrderby()

Description copied from interface: HQLContextInterface

Get orderby string

Specified by:

getOrderby in interface HQLContextInterface

Returns:

orderby

getLimit

public Integer getLimit()

Description copied from interface: HQLContextInterface

Get limit

Specified by:

getLimit in interface HQLContextInterface

Returns:

limit