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package hdfs
import (
"encoding/json"
"strings"
)
type (
rawData map[string]json.RawMessage
rawJMX struct {
Beans []rawData
}
)
func (r rawJMX) isEmpty() bool {
return len(r.Beans) == 0
}
func (r rawJMX) find(f func(rawData) bool) rawData {
for _, v := range r.Beans {
if f(v) {
return v
}
}
return nil
}
func (r rawJMX) findJvm() rawData {
f := func(data rawData) bool { return string(data["modelerType"]) == "\"JvmMetrics\"" }
return r.find(f)
}
func (r rawJMX) findRPCActivity() rawData {
f := func(data rawData) bool { return strings.HasPrefix(string(data["modelerType"]), "\"RpcActivityForPort") }
return r.find(f)
}
func (r rawJMX) findFSNameSystem() rawData {
f := func(data rawData) bool { return string(data["modelerType"]) == "\"FSNamesystem\"" }
return r.find(f)
}
func (r rawJMX) findFSDatasetState() rawData {
f := func(data rawData) bool { return string(data["modelerType"]) == "\"FSDatasetState\"" }
return r.find(f)
}
func (r rawJMX) findDataNodeActivity() rawData {
f := func(data rawData) bool { return strings.HasPrefix(string(data["modelerType"]), "\"DataNodeActivity") }
return r.find(f)
}
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