gr.uoa.di.madgik.hive.plan

Class PlanNode

java.lang.Object

gr.uoa.di.madgik.hive.plan.PlanNode

Direct Known Subclasses:

DataSourceNode, OperatorNode

public abstract class PlanNode
extends Object

Represents a node of the plan that will be the input to the workflow layer

Author:

john.gerbesiotis - DI NKUA

Field Summary

Fields

Modifier and Type	Field and Description
protected HashMap<String,String>	functionalArgs all the arguments needed from the corresponding instance(for determining the functional behavior) in order to execute this node of the plan.

Constructor Summary

Constructors

Constructor and Description
PlanNode(HashMap<String,String> functionalArgs) Default constructor

Method Summary

Modifier and Type	Method and Description
HashMap<String,String>	getFunctionalArgs() getter for the functional arguments field which defines all the arguments needed from the corresponding instance(for determining the functional behavior) in order to execute this node of the plan.
OperatorNode	getParent()
void	setFunctionalArgs(HashMap<String,String> functionalArgs) setter for the functional arguments field which defines all the arguments needed from the corresponding instance(for determining the functional behavior) in order to execute this node of the plan.
void	setParent(OperatorNode parent)

Methods inherited from class java.lang.Object

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

Field Detail

functionalArgs

protected HashMap<String,String> functionalArgs

all the arguments needed from the corresponding instance(for determining the functional behavior) in order to execute this node of the plan.

Constructor Detail

PlanNode

public PlanNode(HashMap<String,String> functionalArgs)

Default constructor

Parameters:

functionalArgs - - all the arguments needed from the corresponding instance(for determining the functional behavior) in order to execute this node of the plan.

Method Detail

getFunctionalArgs

public HashMap<String,String> getFunctionalArgs()

getter for the functional arguments field which defines all the arguments needed from the corresponding instance(for determining the functional behavior) in order to execute this node of the plan.

Returns:

- the functionalArgs

setFunctionalArgs

public void setFunctionalArgs(HashMap<String,String> functionalArgs)

setter for the functional arguments field which defines all the arguments needed from the corresponding instance(for determining the functional behavior) in order to execute this node of the plan.

Parameters:

functionalArgs -

getParent

public OperatorNode getParent()

Returns:

the parent

setParent

public void setParent(OperatorNode parent)

Parameters:

parent - the parent to set