com.j_spaces.jdbc.parser

Class EqualNode

java.lang.Object

com.j_spaces.jdbc.parser.ExpNode

com.j_spaces.jdbc.parser.EqualNode

All Implemented Interfaces:

Cloneable

public class EqualNode
extends ExpNode

This is the equal operator Node.

Author:

Michael Mitrani, 2Train4, 2004

Field Summary

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

leftChild, rightChild, template

Constructor Summary

Constructors

Constructor and Description
EqualNode()
EqualNode(ExpNode leftChild, ExpNode rightChild)

Method Summary

Modifier and Type	Method and Description
void	accept(QueryTemplateBuilder builder) Accept the query builder Default implementation returns null - no QueryTemplatePacket is defined
EntriesCursor	createIndex(QueryTableData table, IQueryResultSet<IEntryPacket> entries)
boolean	isValidCompare(Object ob1, Object ob2) Operator nodes implement this method to return whether two objects satisfy the given condition.
ExpNode	newInstance() Prototype method - Create new instance of the class
String	toString()

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

accept, clone, createJoinIndex, getLeftChild, getRightChild, getTemplate, isContainsItemNode, isContainsItemsRootNode, isInnerQuery, isJoined, prepareTemplateValues, prepareValues, setLeftChild, setRightChild, setTemplate, toString, validateInnerQueryResult

Methods inherited from class java.lang.Object

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

Constructor Detail

EqualNode

public EqualNode()

EqualNode

public EqualNode(ExpNode leftChild,
                 ExpNode rightChild)

Method Detail

isValidCompare

public boolean isValidCompare(Object ob1,
                              Object ob2)
                       throws ClassCastException

Description copied from class: ExpNode

Operator nodes implement this method to return whether two objects satisfy the given condition.

Specified by:

isValidCompare in class ExpNode

Returns:

true if the two given objects satisfy the condition

Throws:

ClassCastException

newInstance

public ExpNode newInstance()

Description copied from class: ExpNode

Prototype method - Create new instance of the class

Specified by:

newInstance in class ExpNode

accept

public void accept(QueryTemplateBuilder builder)
            throws SQLException

Description copied from class: ExpNode

Accept the query builder Default implementation returns null - no QueryTemplatePacket is defined

Specified by:

accept in class ExpNode

Throws:

SQLException

toString

public String toString()

Overrides:

toString in class Object

createIndex

public EntriesCursor createIndex(QueryTableData table,
                                 IQueryResultSet<IEntryPacket> entries)

Overrides:

createIndex in class ExpNode