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/*
Copyright (c) 2006 Benhur Stein
This file is part of Paj.
Paj 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.
Paj 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 Paj; if not, write to the Free Software Foundation, Inc.,
59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* AggregatingFilter.m
*
* Component that aggregates individual entities that are too small to
* display into AggregatedEntities.
*
* 19970423 BS creation
*/
#include "AggregatingFilter.h"
#include "../General/MultiEnumerator.h"
#include "../General/PajeEntity.h"
#include "../General/Macros.h"
#include "../General/NSDate+Additions.h"
#include "AggregatingChunkArray.h"
#include <math.h>
double log2(double);
double pow(double, double);
#define DURtoSLOT(dur) (log2(dur) + 15)
#define SLOTtoDUR(slot) pow(2.0, (slot) - 15.0)
@implementation AggregatingFilter
- (id)initWithController:(PajeTraceController *)c
{
self = [super initWithController:c];
if (self != nil) {
entityLists = [[NSMutableDictionary alloc] init];
}
return self;
}
- (void)dealloc
{
[entityLists release];
[super dealloc];
}
- (NSString *)filterName
{
return @"AggregatingFilter";
}
- (NSDictionary *)configuration
{
return nil;
}
- (void)setConfiguration:(NSDictionary *)config
{
}
- (void)dataChangedForEntityType:(PajeEntityType *)entityType
{
[entityLists removeObjectForKey:entityType];
[super dataChangedForEntityType:entityType];
}
- (void)hierarchyChanged
{
[entityLists removeAllObjects];
[super hierarchyChanged];
}
- (ChunkArray *)chunkArrayForEntityType:(PajeEntityType *)entityType
container:(PajeContainer *)container
minDuration:(double)minDuration
{
NSMutableDictionary *dict;
dict = [entityLists objectForKey:entityType];
if (dict == nil) {
dict = [NSMutableDictionary dictionary];
[entityLists setObject:dict forKey:entityType];
}
NSMutableArray *array;
array = [dict objectForKey:container];
if (array == nil) {
array = [NSMutableArray array];
[dict setObject:array forKey:container];
}
ChunkArray *chunks;
int index = DURtoSLOT(minDuration);
while (index >= [array count]) {
chunks = [AggregatingChunkArray
arrayWithEntityType:entityType
container:container
dataSource:self
aggregatingDuration:SLOTtoDUR([array count])];
[array addObject:chunks];
}
chunks = [array objectAtIndex:index];
return chunks;
}
- (NSEnumerator *)enumeratorOfEntitiesTyped:(PajeEntityType *)entityType
inContainer:(PajeContainer *)container
fromTime:(NSDate *)start
toTime:(NSDate *)end
minDuration:(double)minDuration
{
// if container does not contain entityType's directly,
// try containers in-between.
// FIXME: shouldn't this be in PajeFilter?
if (![[self containerTypeForType:entityType]
isEqual:[self entityTypeForEntity:container]]) {
NSEnumerator *subcontainerEnum;
id subcontainer;
MultiEnumerator *multiEnum;
PajeEntityType *parentType;
parentType = [entityType containerType];
subcontainerEnum = [self enumeratorOfContainersTyped:parentType
inContainer:container];
multiEnum = [MultiEnumerator enumerator];
while ((subcontainer = [subcontainerEnum nextObject]) != nil) {
NSEnumerator *en;
en = [self enumeratorOfEntitiesTyped:entityType
inContainer:subcontainer
fromTime:start
toTime:end
minDuration:minDuration];
if (en != nil) {
[multiEnum addEnumerator:en];
}
}
return multiEnum;
}
PajeDrawingType drawingType;
drawingType = [self drawingTypeForEntityType:entityType];
if (( drawingType != PajeStateDrawingType
&& drawingType != PajeEventDrawingType
&& drawingType != PajeVariableDrawingType
&& drawingType != PajeLinkDrawingType)
|| DURtoSLOT(minDuration) < 0) {
return [super enumeratorOfEntitiesTyped:entityType
inContainer:container
fromTime:start
toTime:end
minDuration:minDuration];
}
ChunkArray *chunks;
chunks = [self chunkArrayForEntityType:entityType
container:container
minDuration:minDuration];
if (chunks != nil) {
return [chunks enumeratorOfEntitiesFromTime:start toTime:end];
}
return nil;
}
- (NSEnumerator *)enumeratorOfCompleteEntitiesTyped:(PajeEntityType *)entityType
inContainer:(PajeContainer *)container
fromTime:(NSDate *)start
toTime:(NSDate *)end
minDuration:(double)minDuration
{
// if container does not contain entityType's directly,
// try containers in-between.
// FIXME: shouldn't this be in PajeFilter?
if (![[self containerTypeForType:entityType]
isEqual:[self entityTypeForEntity:container]]) {
NSEnumerator *subcontainerEnum;
id subcontainer;
MultiEnumerator *multiEnum;
PajeEntityType *parentType;
parentType = [entityType containerType];
subcontainerEnum = [self enumeratorOfContainersTyped:parentType
inContainer:container];
multiEnum = [MultiEnumerator enumerator];
while ((subcontainer = [subcontainerEnum nextObject]) != nil) {
NSEnumerator *en;
en = [self enumeratorOfCompleteEntitiesTyped:entityType
inContainer:subcontainer
fromTime:start
toTime:end
minDuration:minDuration];
if (en != nil) {
[multiEnum addEnumerator:en];
}
}
return multiEnum;
}
PajeDrawingType drawingType;
drawingType = [self drawingTypeForEntityType:entityType];
if (( drawingType != PajeStateDrawingType
&& drawingType != PajeEventDrawingType
&& drawingType != PajeVariableDrawingType
&& drawingType != PajeLinkDrawingType)
|| DURtoSLOT(minDuration) < 0) {
return [super enumeratorOfCompleteEntitiesTyped:entityType
inContainer:container
fromTime:start
toTime:end
minDuration:minDuration];
}
ChunkArray *chunks;
chunks = [self chunkArrayForEntityType:entityType
container:container
minDuration:minDuration];
if (chunks != nil) {
return [chunks enumeratorOfCompleteEntitiesFromTime:start untilTime:end];
}
return nil;
}
@end
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