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NSPredicate+DCTExtras.h
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NSPredicate+DCTExtras.h
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/*
NSPredicate+DCTExtras.h
DCTCoreData
Created by Daniel Tull on 16.06.2010.
Copyright (C) 2010 Daniel Tull. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of the author nor the names of its contributors may be used
to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import <CoreData/CoreData.h>
@interface NSPredicate (DCTExtras)
/** Returns a predictate where the given name or keypath equals the given object.
@param nameOrKeyPath This can be the property name, a keypath as an NSString or an NSArray
@param object The object to compare
*/
+ (NSPredicate *)dct_predicateWhereProperty:(id)nameOrKeyPath equals:(id)object;
/** Returns a predictate where the given name or keypath is greater than the given object.
@param nameOrKeyPath This can be the property name, a keypath as an NSString or an NSArray
@param object The object to compare
*/
+ (NSPredicate *)dct_predicateWhereProperty:(id)nameOrKeyPath isGreaterThan:(id)object;
/** Returns a predictate where the given name or keypath is less than the given object.
@param nameOrKeyPath This can be the property name, a keypath as an NSString or an NSArray
@param object The object to compare
*/
+ (NSPredicate *)dct_predicateWhereProperty:(id)nameOrKeyPath isLessThan:(id)object;
/** Returns a predictate where the given name or keypath does not equal the given object.
@param nameOrKeyPath This can be the property name, a keypath as an NSString or an NSArray
@param object The object to compare
*/
+ (NSPredicate *)dct_predicateWhereProperty:(id)nameOrKeyPath doesNotEqual:(id)object;
/** Returns a predictate where the given name or keypath is tested for nil.
@param nameOrKeyPath This can be the property name, a keypath as an NSString or an NSArray
*/
+ (NSPredicate *)dct_predicateWherePropertyIsNil:(NSString *)name;
/** Returns a predictate where the given name or keypath is tested for not nil.
@param nameOrKeyPath This can be the property name, a keypath as an NSString or an NSArray
*/
+ (NSPredicate *)dct_predicateWherePropertyIsNotNil:(NSString *)name;
/** Returns a predictate where the given name or keypath is tested for not nil and not empty.
@param nameOrKeyPath This can be the property name, a keypath as an NSString or an NSArray
*/
+ (NSPredicate *)dct_predicateWhereStringPropertyIsNotNilAndNotEmpty:(NSString *)name;
+ (NSPredicate *)dct_predicateWhereProperty:(NSString *)name contains:(id)object;
@end