31 lines
870 B
Go
31 lines
870 B
Go
package sandbox
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import "sort"
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// History is a convenience type for storing a list of sandboxes,
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// sorted by creation date in descendant order.
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type History []*Sandbox
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// Len returns the number of sandboxes in the history.
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func (history *History) Len() int {
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return len(*history)
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}
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// Less compares two sandboxes and returns true if the second one
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// was created before the first one.
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func (history *History) Less(i, j int) bool {
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sandboxes := *history
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// FIXME: state access should be serialized
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return sandboxes[j].created.Before(sandboxes[i].created)
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}
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// Swap switches sandboxes i and j positions in the history.
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func (history *History) Swap(i, j int) {
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sandboxes := *history
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sandboxes[i], sandboxes[j] = sandboxes[j], sandboxes[i]
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}
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// sort orders the history by creation date in descendant order.
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func (history *History) sort() {
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sort.Sort(history)
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}
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