/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.mx.remoting.event;
import java.io.Serializable;
import javax.management.BadAttributeValueExpException;
import javax.management.BadBinaryOpValueExpException;
import javax.management.BadStringOperationException;
import javax.management.InvalidApplicationException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.QueryExp;
/**
* CompositeQueryExp is a composite QueryExp that allows multiple QueryExp implementations to be
* chained together (a little easier than trying to use Query class).
*
* @author <a href="mailto:jhaynie@vocalocity.net">Jeff Haynie</a>
* @version $Revision: 81084 $
*/
public class CompositeQueryExp implements QueryExp, Serializable
{
static final long serialVersionUID = 6918797787135545210L;
public static final int AND = 0;
public static final int OR = 1;
private int operator;
private QueryExp exps[];
/**
* create a composite QueryExp with the default <tt>AND</tt> operator
*
* @param exp
*/
public CompositeQueryExp(QueryExp exp[])
{
this(exp, AND);
}
public CompositeQueryExp(QueryExp exp[], int operator)
{
this.exps = exp;
this.operator = operator;
}
public boolean apply(ObjectName objectName) throws BadStringOperationException, BadBinaryOpValueExpException, BadAttributeValueExpException, InvalidApplicationException
{
for(int c = 0; c < exps.length; c++)
{
if(exps[c] != null)
{
boolean value = exps[c].apply(objectName);
if(value && operator == OR)
{
return true;
}
else if(!value && operator == AND)
{
return false;
}
}
}
return (operator == AND) ? true : false;
}
public void setMBeanServer(MBeanServer mBeanServer)
{
for(int c = 0; c < exps.length; c++)
{
if(exps[c] != null)
{
exps[c].setMBeanServer(mBeanServer);
}
}
}
}