/*
* NOTE: This copyright does *not* cover user programs that use HQ
* program services by normal system calls through the application
* program interfaces provided as part of the Hyperic Plug-in Development
* Kit or the Hyperic Client Development Kit - this is merely considered
* normal use of the program, and does *not* fall under the heading of
* "derived work".
*
* Copyright (C) [2004, 2005, 2006], Hyperic, Inc.
* This file is part of HQ.
*
* HQ is free software; you can redistribute it and/or modify
* it under the terms version 2 of the GNU General Public License as
* published by the Free Software Foundation. This program 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 General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*/
package org.hyperic.hq.appdef.shared.pager;
import org.hyperic.hq.appdef.shared.AppdefEntityID;
import org.hyperic.hq.appdef.shared.AppdefGroupValue;
/** Pager Processor filter that filters object instances of
* AppdefEntityID based on their membership to a particular
* AppdefGroupValue.
*/
public class AppdefPagerFilterGroupMemExclude implements AppdefPagerFilter {
private AppdefGroupValue candidate;
private boolean exclusive;
private int filterCount;
public AppdefGroupValue getCandidate () { return candidate; }
public int getFilterCount () { return filterCount; }
public boolean isExclusive () { return exclusive; }
public AppdefPagerFilterGroupMemExclude ( AppdefGroupValue candidate ) {
this.candidate = candidate;
this.exclusive = true;
}
public AppdefPagerFilterGroupMemExclude ( AppdefGroupValue candidate,
boolean negate ) {
this.candidate = candidate;
this.exclusive = (! negate);
}
/** Evaluate an appdef entity against the filter.
* @param object instance of AppdefEntityID
* @return flag - true if caught (unless negated)
*/
public boolean isCaught ( Object o ) {
if (!(o instanceof AppdefEntityID)) {
throw new IllegalArgumentException("Invalid appdef entity id");
}
AppdefEntityID entity = (AppdefEntityID) o;
boolean caught = isMemberOf(entity);
if (exclusive == caught) {
filterCount++;
}
return exclusive == caught;
}
private boolean isMemberOf ( AppdefEntityID entity ) {
if (candidate.existsAppdefEntity( entity ) ) {
return true;
}
return false;
}
}