/* This file is part of the db4o object database http://www.db4o.com
Copyright (C) 2004 - 2011 Versant Corporation http://www.versant.com
db4o is free software; you can redistribute it and/or modify it under
the terms of version 3 of the GNU General Public License as published
by the Free Software Foundation.
db4o 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, see http://www.gnu.org/licenses/. */
package com.db4o.internal.query.processor;
import com.db4o.foundation.*;
/**
* @exclude
*/
public class QEMulti extends QE{
@decaf.Public
private Collection4 i_evaluators = new Collection4();
// used by .net LINQ tests
public Iterable4 evaluators() {
return i_evaluators;
}
QE add(QE evaluator){
i_evaluators.ensure(evaluator);
return this;
}
public boolean identity(){
boolean ret = false;
Iterator4 i = i_evaluators.iterator();
while(i.moveNext()){
if(((QE)i.current()).identity()){
ret = true;
}else{
return false;
}
}
return ret;
}
boolean isDefault(){
return false;
}
boolean evaluate(QConObject a_constraint, InternalCandidate a_candidate, Object a_value){
Iterator4 i = i_evaluators.iterator();
while(i.moveNext()){
if(((QE)i.current()).evaluate(a_constraint, a_candidate, a_value)){
return true;
}
}
return false;
}
public void indexBitMap(boolean[] bits){
Iterator4 i = i_evaluators.iterator();
while(i.moveNext()){
((QE)i.current()).indexBitMap(bits);
}
}
public boolean supportsIndex(){
Iterator4 i = i_evaluators.iterator();
while(i.moveNext()){
if(! ((QE)i.current()).supportsIndex()){
return false;
}
}
return true;
}
}