From 24aefd98aa00c71f99ff0146fb32a366ff90a3da Mon Sep 17 00:00:00 2001
From: geek <geek@loafle.com>
Date: Wed, 26 Apr 2017 15:45:40 +0900
Subject: [PATCH] shared project

---
 .gitignore |  61 +++++++++++++++++++++++++++++
 queue.go   | 111 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 172 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 queue.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8e2ebe9
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,61 @@
+# Created by .ignore support plugin (hsz.mobi)
+### JetBrains template
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff:
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/dictionaries
+
+# Sensitive or high-churn files:
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.xml
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+
+# Gradle:
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Mongo Explorer plugin:
+.idea/**/mongoSettings.xml
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+/out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+### Go template
+# Binaries for programs and plugins
+*.exe
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736
+.glide/
+
diff --git a/queue.go b/queue.go
new file mode 100644
index 0000000..3fa7ee6
--- /dev/null
+++ b/queue.go
@@ -0,0 +1,111 @@
+package queue
+
+import (
+	"container/heap"
+	"time"
+	"loafle.com/overflow/agent_api/observer"
+	"github.com/prometheus/common/log"
+)
+
+type EventType int
+
+const (
+
+	DATA_TYPE EventType  = 0
+	EVENT_TYPE EventType = 1
+
+)
+type item struct {
+	value interface{}
+	priority int
+}
+
+type LoafleQueue struct {
+	items []*item
+	queueType string
+	interval time.Duration
+
+	eventChanel chan interface{}
+}
+
+func (lq LoafleQueue) Len() int {
+	return len(lq.items)
+}
+
+func (lq LoafleQueue) Less(i, j int) bool {
+
+	return lq.items[i].priority < lq.items[j].priority
+}
+
+func (lq LoafleQueue) Swap(i, j int) {
+	lq.items[i], lq.items[j] = lq.items[j], lq.items[i]
+}
+
+func (lq *LoafleQueue) GetItems() []*item {
+
+	time.Sleep(time.Second * lq.interval)
+	resultItems := make([]*item, 0)
+	for lq.Len() > 0 {
+		item := heap.Pop(lq).(*item)
+		resultItems = append(resultItems, item)
+	}
+	return resultItems
+}
+
+func (lq *LoafleQueue) Push(i interface{}) {
+	n := len(lq.items)
+	nItem := i.(*item)
+	nItem.priority = n
+	lq.items = append(lq.items, nItem)
+}
+
+func (lq *LoafleQueue) Pop() interface{} {
+	old := lq.items
+	n := len(old)
+	nItem := old[n-1]
+	lq.items = old[0 : n-1]
+	return nItem
+}
+func (lq LoafleQueue) newItem(value interface{}) *item {
+	return &item{
+		value:value,
+	}
+}
+
+func (lq *LoafleQueue) notifyEventHandler(c chan interface{}) {
+	for data := range c {
+		it := lq.newItem(data)
+		heap.Push(lq, it)
+	}
+}
+
+func (lq *LoafleQueue) Close() {
+	if lq.eventChanel != nil {
+		observer.Remove(lq.queueType, lq.eventChanel)
+	}
+}
+func NewLoafleQueue(eventType EventType, interval time.Duration) *LoafleQueue {
+	items := make([]*item, 0)
+	event := make(chan interface{},0)
+	var tempType string
+
+	if eventType == DATA_TYPE {
+		tempType = "DATA_TYPE"
+	}else if eventType == EVENT_TYPE{
+		tempType = "EVENT_TYPE"
+	}else {
+		log.Fatal("Event Type Error")
+	}
+
+	lq := &LoafleQueue{
+		items:items,
+		queueType:tempType,
+		interval:interval,
+		eventChanel:event,
+	}
+
+	observer.Add(lq.queueType, lq.eventChanel)
+	go lq.notifyEventHandler(event)
+
+	return lq
+}