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task_drop_index.go
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task_drop_index.go
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// Copyright 2013-2020 Aerospike, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package aerospike
import "strings"
// DropIndexTask is used to poll for long running create index completion.
type DropIndexTask struct {
*baseTask
namespace string
indexName string
}
// NewDropIndexTask initializes a task with fields needed to query server nodes.
func NewDropIndexTask(cluster *Cluster, namespace string, indexName string) *DropIndexTask {
return &DropIndexTask{
baseTask: newTask(cluster),
namespace: namespace,
indexName: indexName,
}
}
// IsDone queries all nodes for task completion status.
func (tski *DropIndexTask) IsDone() (bool, error) {
command := "sindex/" + tski.namespace + "/" + tski.indexName
nodes := tski.cluster.GetNodes()
complete := false
for _, node := range nodes {
responseMap, err := node.requestInfoWithRetry(&tski.cluster.infoPolicy, 5, command)
if err != nil {
return false, err
}
for _, response := range responseMap {
if strings.Contains(response, "FAIL:201") {
complete = true
continue
}
return false, nil
}
}
return complete, nil
}
// OnComplete returns a channel that will be closed as soon as the task is finished.
// If an error is encountered during operation, an error will be sent on the channel.
func (tski *DropIndexTask) OnComplete() chan error {
return tski.onComplete(tski)
}