update to use whosonfirst/go-cache 0.1.0; update vendor deps

blob.go

@@ -23,35 +23,28 @@ type BlobCache struct {
 
 func init() {
 	ctx := context.Background()
-	c := NewBlobCache()
-
 	for _, scheme := range blob.DefaultURLMux().BucketSchemes() {
-		wof_cache.RegisterCache(ctx, scheme, c)
+		wof_cache.RegisterCache(ctx, scheme, NewBlobCache)
 	}
 }
 
-func NewBlobCache() wof_cache.Cache {
+func NewBlobCache(ctx context.Context, uri string) (wof_cache.Cache, error) {
+
+	bucket, err := blob.OpenBucket(ctx, uri)
+
+	if err != nil {
+		return nil, err
+	}
 
 	c := &BlobCache{
 		TTL:       0,
 		misses:    0,
 		sets:      0,
 		evictions: 0,
+		bucket:    bucket,
 	}
 
-	return c
-}
-
-func (c *BlobCache) Open(ctx context.Context, uri string) error {
-
-	bucket, err := blob.OpenBucket(ctx, uri)
-
-	if err != nil {
-		return err
-	}
-
-	c.bucket = bucket
-	return nil
+	return c, nil
 }
 
 func (c *BlobCache) Close(ctx context.Context) error {

go.mod

@@ -3,6 +3,6 @@ module github.com/whosonfirst/go-cache-blob
 go 1.12
 
 require (
-	github.com/whosonfirst/go-cache v0.0.2
-	gocloud.dev v0.18.0
+	github.com/whosonfirst/go-cache v0.1.0
+	gocloud.dev v0.19.0
 )