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ASTSqrt (JBoss Server API) - JBoss 4.0.1 sp1 server API Documentation 英文版文档


org.jboss.ejb.plugins.cmp.ejbql
Class ASTSqrt

java.lang.Object
  extended byorg.jboss.ejb.plugins.cmp.ejbql.SimpleNode
      extended byorg.jboss.ejb.plugins.cmp.ejbql.ASTSqrt
All Implemented Interfaces:
SelectFunction

public final class ASTSqrt
extends SimpleNode
implements SelectFunction

This abstract syntax node represents a square root function.

Version:
$Revision: 1.5 $
Author:
Dain Sundstrom, Alex Loubyansky

Field Summary
 
Fields inherited from class org.jboss.ejb.plugins.cmp.ejbql.SimpleNode
children, id, parent
 
Constructor Summary
ASTSqrt(int id)
           
 
Method Summary
 Object jjtAccept(JBossQLParserVisitor visitor, Object data)
          Accept the visitor.
 Object readResult(ResultSet rs)
          Reads results.
 
Methods inherited from class org.jboss.ejb.plugins.cmp.ejbql.SimpleNode
dump, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, toString, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ASTSqrt

public ASTSqrt(int id)
Method Detail

jjtAccept

public Object jjtAccept(JBossQLParserVisitor visitor,
                        Object data)
Accept the visitor.

Overrides:
jjtAccept in class SimpleNode

readResult

public Object readResult(ResultSet rs)
                  throws SQLException
Reads results.

Specified by:
readResult in interface SelectFunction
Parameters:
rs - the result set to read from.
Returns:
the result of the function
Throws:
SQLException


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