org.apache.hadoop.hive.ql.exec

Class OperatorFactory

java.lang.Object

org.apache.hadoop.hive.ql.exec.OperatorFactory

public final class OperatorFactory
extends Object

OperatorFactory.

Field Summary

Fields

Modifier and Type	Field and Description
protected static org.apache.commons.logging.Log	LOG

Method Summary

Methods

Modifier and Type	Method and Description
static <T extends OperatorDesc> Operator<T>	get(Class<T> opClass)
static <T extends OperatorDesc> Operator<T>	get(Class<T> opClass, RowSchema rwsch)
static <T extends OperatorDesc> Operator<T>	get(T conf, Operator<? extends OperatorDesc>... oplist) Returns an operator given the conf and a list of children operators.
static <T extends OperatorDesc> Operator<T>	get(T conf, RowSchema rwsch, Operator... oplist) Returns an operator given the conf and a list of children operators.
static <T extends OperatorDesc> Operator<T>	getAndMakeChild(T conf, List<Operator<? extends OperatorDesc>> oplist) Returns an operator given the conf and a list of parent operators.
static <T extends OperatorDesc> Operator<T>	getAndMakeChild(T conf, Operator... oplist) Returns an operator given the conf and a list of parent operators.
static <T extends OperatorDesc> Operator<T>	getAndMakeChild(T conf, RowSchema rwsch, List<Operator<? extends OperatorDesc>> oplist) Returns an operator given the conf and a list of parent operators.
static <T extends OperatorDesc> Operator<T>	getAndMakeChild(T conf, RowSchema rwsch, Map<String,ExprNodeDesc> colExprMap, List<Operator<? extends OperatorDesc>> oplist) Returns an operator given the conf and a list of parent operators.
static <T extends OperatorDesc> Operator<T>	getAndMakeChild(T conf, RowSchema rwsch, Map<String,ExprNodeDesc> colExprMap, Operator... oplist) Returns an operator given the conf and a list of parent operators.
static <T extends OperatorDesc> Operator<T>	getAndMakeChild(T conf, RowSchema rwsch, Operator... oplist) Returns an operator given the conf and a list of parent operators.
static <T extends OperatorDesc> Operator<T>	getVectorOperator(Class<? extends Operator<?>> opClass, T conf, VectorizationContext vContext)
static <T extends OperatorDesc> Operator<T>	getVectorOperator(T conf, VectorizationContext vContext)
static void	makeChild(Operator<? extends OperatorDesc> ret, Operator<? extends OperatorDesc>... oplist) Returns an operator given the conf and a list of children operators.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final transient org.apache.commons.logging.Log LOG

Method Detail

getVectorOperator

public static <T extends OperatorDesc> Operator<T> getVectorOperator(Class<? extends Operator<?>> opClass,
                                                     T conf,
                                                     VectorizationContext vContext)
                                                          throws HiveException

Throws:

HiveException

getVectorOperator

public static <T extends OperatorDesc> Operator<T> getVectorOperator(T conf,
                                                     VectorizationContext vContext)
                                                          throws HiveException

Throws:

HiveException

get

public static <T extends OperatorDesc> Operator<T> get(Class<T> opClass)

get

public static <T extends OperatorDesc> Operator<T> get(Class<T> opClass,
                                       RowSchema rwsch)

get

public static <T extends OperatorDesc> Operator<T> get(T conf,
                                       Operator<? extends OperatorDesc>... oplist)

Returns an operator given the conf and a list of children operators.

makeChild

public static void makeChild(Operator<? extends OperatorDesc> ret,
             Operator<? extends OperatorDesc>... oplist)

Returns an operator given the conf and a list of children operators.

get

public static <T extends OperatorDesc> Operator<T> get(T conf,
                                       RowSchema rwsch,
                                       Operator... oplist)

Returns an operator given the conf and a list of children operators.

getAndMakeChild

public static <T extends OperatorDesc> Operator<T> getAndMakeChild(T conf,
                                                   Operator... oplist)

Returns an operator given the conf and a list of parent operators.

getAndMakeChild

public static <T extends OperatorDesc> Operator<T> getAndMakeChild(T conf,
                                                   List<Operator<? extends OperatorDesc>> oplist)

Returns an operator given the conf and a list of parent operators.

getAndMakeChild

public static <T extends OperatorDesc> Operator<T> getAndMakeChild(T conf,
                                                   RowSchema rwsch,
                                                   Operator... oplist)

Returns an operator given the conf and a list of parent operators.

getAndMakeChild

public static <T extends OperatorDesc> Operator<T> getAndMakeChild(T conf,
                                                   RowSchema rwsch,
                                                   Map<String,ExprNodeDesc> colExprMap,
                                                   Operator... oplist)

Returns an operator given the conf and a list of parent operators.

getAndMakeChild

public static <T extends OperatorDesc> Operator<T> getAndMakeChild(T conf,
                                                   RowSchema rwsch,
                                                   List<Operator<? extends OperatorDesc>> oplist)

Returns an operator given the conf and a list of parent operators.

getAndMakeChild

public static <T extends OperatorDesc> Operator<T> getAndMakeChild(T conf,
                                                   RowSchema rwsch,
                                                   Map<String,ExprNodeDesc> colExprMap,
                                                   List<Operator<? extends OperatorDesc>> oplist)

Returns an operator given the conf and a list of parent operators.