Copy knows how to pull and store data from any System.
(ps PullStorer, batch int)
| 102 | |
| 103 | // Copy knows how to pull and store data from any System. |
| 104 | func Copy(ps PullStorer, batch int) error { |
| 105 | data := make([]Data, batch) |
| 106 | |
| 107 | for { |
| 108 | i, err := pull(ps, data) |
| 109 | if i > 0 { |
| 110 | if _, err := store(ps, data[:i]); err != nil { |
| 111 | return err |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | if err != nil { |
| 116 | return err |
| 117 | } |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | // ============================================================================= |
| 122 |