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

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

java.lang.Object
  org.jboss.ejb.plugins.cmp.ejbql.SimpleNode
      org.jboss.ejb.plugins.cmp.ejbql.AggregateFunction
          org.jboss.ejb.plugins.cmp.ejbql.ASTCount

All Implemented Interfaces:: SelectFunction

public final class ASTCount
extends AggregateFunction
implements SelectFunction

This abstract syntax node represents a count function.

Version:: $Revision: 1.7 $
Author:: Alex Loubyansky

Field Summary

Fields inherited from class org.jboss.ejb.plugins.cmp.ejbql.AggregateFunction

distinct

Fields inherited from class org.jboss.ejb.plugins.cmp.ejbql.SimpleNode

children, id, parent

Constructor Summary

ASTCount(int id)


Method Summary

protected Class getDefaultResultType()


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

Methods inherited from class org.jboss.ejb.plugins.cmp.ejbql.AggregateFunction

readResult, setResultType

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

Methods inherited from interface org.jboss.ejb.plugins.cmp.ejbql.SelectFunction

readResult

Constructor Detail

ASTCount

public ASTCount(int id)

Method Detail

getDefaultResultType

protected Class getDefaultResultType()

Overrides:: getDefaultResultType in class AggregateFunction

jjtAccept

public Object jjtAccept(JBossQLParserVisitor visitor,
                        Object data)

Accept the visitor. *

Overrides:: jjtAccept in class SimpleNode