@interface ClassEntity : NSObject<BCORMEntityProtocol>
@property (nonatomic,assign)NSInteger classId;
@property (nonatomic,copy)NSString* className;
@end

@implementation ClassEntity
- (NSString *)description
{
    return [NSString stringWithFormat:@"[Class:id(%ld) name:(%@)]:%p",self.classId,self.className,self];
}

+(NSString*)tableName
{
    return @"class";
}

+(NSDictionary*)tableEntityMapping
{
    return @{ @"classId":BCSqliteTypeMakeIntPrimaryKey(@"id", YES),
              @"className":BCSqliteTypeMakeTextDefault(@"name", NO,@"Software01")
              };
}
@end

CREATE TABLE class (
  id integer PRIMARY KEY AUTOINCREMENT NOT NULL,
  name text NOT NULL DEFAULT('Software01')
);

BCORMHelper* helper = [[BCORMHelper alloc]initWithDatabaseName:@"test.db" 
				           enties: @[ [ClassEntity class],[StudentEntity class]]];

BCORMHelper* helper = [[BCORMHelper alloc]													initWithDatabasePath:@"/Users/BlockCheng/Library/Application Support/test.db" 
			enties: @[ [ClassEntity class],[StudentEntity class]]];

ClassEntity* classeEntity = [ClassEntity new];
classeEntity.className = @"Software02";
classeEntity.classId = 2;

StudentEntity* student = [StudentEntity new];
student.age = 12;
student.score = 80;
student.classId = 2;
student.studentNum = 421125;
student.studentName = @"BlockCheng";

[helper save:classeEntity];

[helper save:student];

BCSqlParameter *queryParam  = [[BCSqlParameter  alloc] init];
queryParam.entityClass = [StudentEntity class];
queryParam.propertyArray = @[@"age",@"classId",@"score",@"studentName",@"studentNum"];
queryParam.selection = @"classId = ? and studentNum=?";
queryParam.selectionArgs = @[@1,@421128];
queryParam.orderBy = @" studentNum  asc";
id entity  = [helper queryEntityByCondition:queryParam];
NSLog(@"entity:----%@",entity);

entity  = [helper queryEntityByCondition:BCQueryParameterMake([StudentEntity class],
						@[@"age",@"classId",@"score",@"studentName",@"studentNum"],@"classId = ? and studentNum=?",
						@[@1,@421128], 
						@" studentNum  asc", nil, -1, -1)];
NSLog(@"entity:----%@",entity);

NSArray* entities  = [helper queryEntitiesByCondition:
				BCQueryParameterMake([ClassEntity class],
				nil, @"classId = ?", @[@1],
				nil, nil, -1, -1)];
NSLog(@"entities:----%@",entities);

BCSqlParameter *queryParam  = [[BCSqlParameter  alloc] init];
queryParam.entityClass = [StudentEntity class];
queryParam.selection = @"classId = ?";
queryParam.selectionArgs = @[@1];
NSArray* entities  = [helper queryEntitiesByCondition:queryParam];

[helper update:student];
    

[helper updateByCondition:BCUpdateParameterMake([StudentEntity class],@"studentName=?", @[@"new_name"],@"studentNum=?", @[@421125])];

[helper remove:entity];
    

[helper deleteByCondition:BCDeleteParameterMake([StudentEntity class],@"studentNum < ?", @[@421135])];