com.j_spaces.jdbc.parser

Class RowNumNode

java.lang.Object

com.j_spaces.jdbc.parser.ExpNode

com.j_spaces.jdbc.parser.ValueNode

com.j_spaces.jdbc.parser.RowNumNode

All Implemented Interfaces:

Externalizable, Serializable, Cloneable

public class RowNumNode
extends ValueNode

This node represents the rownum command. it has its start index and the number of rows to collect

Author:

Michael Mitrani, 2Train4, 2004

See Also:

Serialized Form

Field Summary

Fields inherited from class com.j_spaces.jdbc.parser.ExpNode

leftChild, rightChild, template

Constructor Summary

Constructors

Constructor and Description
RowNumNode()
RowNumNode(int start, int end)

Method Summary

Modifier and Type	Method and Description
Object	clone() Return a cloned SelectQuery
int	getLimit()
int	getStartIndex()
boolean	hasLimit()
boolean	isIndexOutOfRange(int i)
void	readExternal(ObjectInput in)
void	setEndIndex(int endIndex)
void	setMaxResults(int maxResults)
void	setStartIndex(int startIndex)
String	toString()
void	writeExternal(ObjectOutput out)

Methods inherited from class com.j_spaces.jdbc.parser.ValueNode

accept, accept, isJoined, isValidCompare, newInstance

Methods inherited from class com.j_spaces.jdbc.parser.ExpNode

createIndex, createJoinIndex, forEachChild, getLeftChild, getRightChild, getTemplate, isContainsItemNode, isContainsItemsRootNode, isInnerQuery, prepareTemplateValues, prepareValues, reverse, setLeftChild, setRightChild, setTemplate, toString, traverse, traverseReverse, validateInnerQueryResult

Methods inherited from class java.lang.Object

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

Constructor Detail

RowNumNode

public RowNumNode()

RowNumNode

public RowNumNode(int start,
                  int end)

Method Detail

setEndIndex

public void setEndIndex(int endIndex)

getStartIndex

public int getStartIndex()

setStartIndex

public void setStartIndex(int startIndex)

setMaxResults

public void setMaxResults(int maxResults)

hasLimit

public boolean hasLimit()

Returns:

return true if results number has a limit else return false

getLimit

public int getLimit()

Returns:

true if RowNumNode has limitation on the results number

isIndexOutOfRange

public boolean isIndexOutOfRange(int i)

toString

public String toString()

Overrides:

toString in class Object

clone

public Object clone()

Return a cloned SelectQuery

Overrides:

clone in class ValueNode

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Overrides:

writeExternal in class ExpNode

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Overrides:

readExternal in class ExpNode

Throws:

IOException

ClassNotFoundException