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    Copyright (c) 1998, 1999, 2000, 2001, 2003, 2004 Benhur Stein
    This file is part of PajÚ.

    PajÚ 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 of the License, or (at your
    option) any later version.

    PajÚ 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 PajÚ; if not, write to the Free Software Foundation, Inc.,
    59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
#ifndef _ReduceEntityType_h_
#define _ReduceEntityType_h_

#include "../General/PajeFilter.h"
#include "../General/PajeType.h"
#include "BusyArray.h"

@interface ReduceEntityType : PajeEntityType
    PajeFilter *component;
    Class entityClass;
    PajeEntityType *entityTypeToReduce;
    NSMutableSet *filterNames;       // entity names that are counted
    BusyArray *array;
    NSNumber *minValue;
    NSNumber *maxValue;

+ (ReduceEntityType *)typeWithName:(NSString *)n
                     containerType:(PajeContainerType *)cont
                         component:(PajeFilter *)comp;
+ (ReduceEntityType *)typeFromDictionary:(NSDictionary *)dict
                               component:(PajeFilter *)comp;
- (id)initWithName:(NSString *)n
     containerType:(PajeContainerType *)cont
         component:(PajeFilter *)comp;

- (NSDictionary *)dictionaryForDefaults;
- (PajeFilter *)component;

- (void)setName:(NSString *)n;

- (void)setContainerType:(PajeContainerType *)newContainerType;

- (void)setEntityClass:(Class)c;
- (Class)entityClass;

- (void)setEntityTypeToReduce:(PajeEntityType *)newEntityTypeToReduce;
- (PajeEntityType *)entityTypeToReduce;

- (void)addNameToFilter:(NSString *)n;
- (void)addNamesToFilter:(NSArray *)n;
- (void)removeNameFromFilter:(NSString *)n;
- (NSSet *)filterNames;

- (NSNumber *)minValue;
- (NSNumber *)maxValue;

- (NSEnumerator *)enumeratorOfEntitiesInContainer:(PajeContainer *)container
                                         fromTime:(NSDate *)start
                                           toTime:(NSDate *)end;


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