org.apache.tajo.plan.logical

Class BinaryNode

java.lang.Object

org.apache.tajo.plan.logical.LogicalNode

org.apache.tajo.plan.logical.BinaryNode

All Implemented Interfaces:

Cloneable, GsonObject

Direct Known Subclasses:

ExceptNode, IntersectNode, JoinNode, UnionNode

public abstract class BinaryNode
extends LogicalNode
implements Cloneable, GsonObject

Constructor Summary

Constructors

Constructor and Description
BinaryNode(int pid, NodeType nodeType)

Method Summary

Methods

Modifier and Type	Method and Description
int	childNum()
Object	clone()
boolean	deepEquals(Object o)
LogicalNode	getChild(int idx)
<T extends LogicalNode> T	getLeftChild()
<T extends LogicalNode> T	getRightChild()
void	postOrder(LogicalNodeVisitor visitor)
void	preOrder(LogicalNodeVisitor visitor)
void	setLeftChild(LogicalNode op)
void	setRightChild(LogicalNode op)

Methods inherited from class org.apache.tajo.plan.logical.LogicalNode

equals, getCost, getInSchema, getOutSchema, getPID, getPlanString, getType, setCost, setInSchema, setOutSchema, setPID, setType, toJson, toString

Methods inherited from class java.lang.Object

finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.tajo.json.GsonObject

toJson

Constructor Detail

BinaryNode

public BinaryNode(int pid,
          NodeType nodeType)

Method Detail

childNum

public int childNum()

Specified by:

childNum in class LogicalNode

getChild

public LogicalNode getChild(int idx)

Specified by:

getChild in class LogicalNode

getLeftChild

public <T extends LogicalNode> T getLeftChild()

setLeftChild

public void setLeftChild(LogicalNode op)

getRightChild

public <T extends LogicalNode> T getRightChild()

setRightChild

public void setRightChild(LogicalNode op)

deepEquals

public boolean deepEquals(Object o)

Overrides:

deepEquals in class LogicalNode

clone

public Object clone()
             throws CloneNotSupportedException

Overrides:

clone in class LogicalNode

Throws:

CloneNotSupportedException

preOrder

public void preOrder(LogicalNodeVisitor visitor)

Specified by:

preOrder in class LogicalNode

postOrder

public void postOrder(LogicalNodeVisitor visitor)

Specified by:

postOrder in class LogicalNode