Added initWithPath: to better facilitate multiple queues.

EDQueue/EDQueue.h

@@ -26,6 +26,8 @@ extern NSString *const EDQueueDidDrain;
 @interface EDQueue : NSObject
 
 + (EDQueue *)sharedInstance;
++ (NSString *)defaultPath;
+- (id)initWithPath:(NSString *)path;
 
 @property (nonatomic, weak) id<EDQueueDelegate> delegate;
 

EDQueue/EDQueue.m

@@ -37,6 +37,11 @@ @implementation EDQueue
 
 #pragma mark - Singleton
 
++ (NSString *)defaultPath
+{
+    return @"edqueue_0.5.0d.db";
+}
+
 + (EDQueue *)sharedInstance
 {
     static EDQueue *singleton = nil;
@@ -49,11 +54,17 @@ + (EDQueue *)sharedInstance
 
 #pragma mark - Init
 
-- (id)init
+- (id)init {
+    self = [self initWithPath:[self.class defaultPath]];
+    return self;
+}
+
+- (id)initWithPath:(NSString *)path
 {
+    NSAssert(path != nil, @"Path is required and may not be null");
     self = [super init];
     if (self) {
-        _engine     = [[EDQueueStorageEngine alloc] init];
+        _engine     = [[EDQueueStorageEngine alloc] initWithPath:path];
         _retryLimit = 4;
     }
     return self;

EDQueue/EDQueueStorageEngine.h

@@ -13,6 +13,7 @@
 
 @property (retain) FMDatabaseQueue *queue;
 
+- (id)initWithPath:(NSString *)inputPath;
 - (void)createJob:(id)data forTask:(id)task;
 - (BOOL)jobExistsForTask:(id)task;
 - (void)incrementAttemptForJob:(NSNumber *)jid;

EDQueue/EDQueueStorageEngine.m

@@ -17,14 +17,14 @@ @implementation EDQueueStorageEngine
 
 #pragma mark - Init
 
-- (id)init
+- (id)initWithPath:(NSString *)inputPath
 {
     self = [super init];
     if (self) {
         // Database path
         NSArray *paths                  = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask,YES);
         NSString *documentsDirectory    = [paths objectAtIndex:0];
-        NSString *path                  = [documentsDirectory stringByAppendingPathComponent:@"edqueue_0.5.0d.db"];
+        NSString *path                  = [documentsDirectory stringByAppendingPathComponent:inputPath];
 
         // Allocate the queue
         _queue                          = [[FMDatabaseQueue alloc] initWithPath:path];