org.apache.hadoop.hive.ql.optimizer.physical

Class MemoryDecider.MemoryCalculator

java.lang.Object

org.apache.hadoop.hive.ql.optimizer.physical.MemoryDecider.MemoryCalculator

All Implemented Interfaces:

Dispatcher

Enclosing class:

MemoryDecider

public class MemoryDecider.MemoryCalculator
extends Object
implements Dispatcher

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	MemoryDecider.MemoryCalculator.DefaultRule

Constructor Summary

Constructors

Constructor and Description
MemoryCalculator(PhysicalContext pctx)

Method Summary

Modifier and Type	Method and Description
Object	dispatch(Node nd, Stack<Node> stack, Object... nodeOutputs) Dispatcher function.

Methods inherited from class java.lang.Object

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

Constructor Detail

MemoryCalculator

public MemoryCalculator(PhysicalContext pctx)

Method Detail

dispatch

public Object dispatch(Node nd,
                       Stack<Node> stack,
                       Object... nodeOutputs)
                throws SemanticException

Description copied from interface: Dispatcher

Dispatcher function.

Specified by:

dispatch in interface Dispatcher

Parameters:

nd - operator to process.

stack - operator stack to process.

nodeOutputs - The argument list of outputs from processing other nodes that are passed to this dispatcher from the walker.

Returns:

Object The return object from the processing call.

Throws:

SemanticException