67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
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// license agreements. See the NOTICE file distributed with
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// this work for additional information regarding copyright
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// ownership. Elasticsearch B.V. licenses this file to you under
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// the Apache License, Version 2.0 (the "License"); you may
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// 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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package meta
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import (
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"sync"
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"github.com/elastic/beats/libbeat/common"
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)
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// Map stores a map of id -> MapStrPointer
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type Map struct {
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mutex sync.RWMutex
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meta map[uint64]common.MapStrPointer
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}
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// NewMap instantiates and returns a new meta.Map
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func NewMap() *Map {
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return &Map{
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meta: make(map[uint64]common.MapStrPointer),
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}
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}
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// Store inserts or updates given meta under the given id. Then it returns a MapStrPointer to it
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func (m *Map) Store(id uint64, meta common.MapStr) common.MapStrPointer {
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m.mutex.Lock()
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defer m.mutex.Unlock()
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if meta == nil {
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return common.MapStrPointer{}
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}
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p, ok := m.meta[id]
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if !ok {
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// create
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p = common.NewMapStrPointer(meta)
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m.meta[id] = p
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} else {
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// update
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p.Set(meta)
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}
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return p
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}
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// Remove meta stored under the given id
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func (m *Map) Remove(id uint64) {
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m.mutex.Lock()
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defer m.mutex.Unlock()
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delete(m.meta, id)
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}
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