35 lines
1.4 KiB
Go
35 lines
1.4 KiB
Go
// Copyright 2016 CoreOS, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package recipe
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import (
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v3 "github.com/coreos/etcd/clientv3"
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)
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func withFirstCreate() []v3.OpOption { return withTop(v3.SortByCreatedRev, v3.SortAscend) }
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func withLastCreate() []v3.OpOption { return withTop(v3.SortByCreatedRev, v3.SortDescend) }
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func withFirstKey() []v3.OpOption { return withTop(v3.SortByKey, v3.SortAscend) }
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func withLastKey() []v3.OpOption { return withTop(v3.SortByKey, v3.SortDescend) }
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func withFirstRev() []v3.OpOption { return withTop(v3.SortByModifiedRev, v3.SortAscend) }
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func withLastRev() []v3.OpOption { return withTop(v3.SortByModifiedRev, v3.SortDescend) }
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// withTop gets the first key over the get's prefix given a sort order
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func withTop(target v3.SortTarget, order v3.SortOrder) []v3.OpOption {
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return []v3.OpOption{
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v3.WithPrefix(),
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v3.WithSort(target, order),
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v3.WithLimit(1)}
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}
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