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IndexedDB

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This commit is contained in:
Ahmed Zamil 2021-02-20 21:54:20 +03:00
parent 0efb266c2a
commit e148a64008
7 changed files with 402 additions and 158 deletions
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1
src/Core/ExceptionCode.js
View File

@ -30,4 +30,5 @@ export default //const ExceptionCode =
SetPropertyDenied: 27,
ReadOnlyProperty: 28,
GeneralFailure: 29,
AddToStoreFailed: 30
};

9
src/Data/Structure.js
View File

@ -45,6 +45,15 @@ export default class Structure
return rt;
}
toObject()
{
var rt = {};
for (var i in this)
if (!(this[i] instanceof Function))
rt[i] = this[i];
return rt;
}
constructor(data)
{
if (data instanceof Object)

43
src/Net/IIP/DistributedConnection.js
View File

@ -1112,13 +1112,14 @@ export default class DistributedConnection extends IStore {
var resource = new (Function.prototype.bind.apply(type, values));
Warehouse.put(resource, name, store, parent);
self.sendReply(IIPPacketAction.CreateResource, callback)
Warehouse.put(resource, name, store, parent).then(function(ok){
self.sendReply(IIPPacketAction.CreateResource, callback)
.addUint32(resource.Instance.Id)
.done();
}).error(function(ex){
// send some error
self.sendError(ErrorType.Management, callback, ExceptionCode.AddToStoreFailed);
});
});
});
});
@ -1662,14 +1663,32 @@ export default class DistributedConnection extends IStore {
// ClassId, ResourceAge, ResourceLink, Content
if (resource == null)
Warehouse.put(dr, id.toString(), self, null, tmp);
Codec.parsePropertyValueArray(rt[3], 0, rt[3].length, self).then(function (ar) {
dr._attach(ar);
self.resourceRequests.remove(id);
reply.trigger(dr);
});
{
Warehouse.put(dr, id.toString(), self, null, tmp).then(function(ok){
Codec.parsePropertyValueArray(rt[3], 0, rt[3].length, self).then(function (ar) {
dr._attach(ar);
self.resourceRequests.remove(id);
reply.trigger(dr);
});
}).error(function(ex){
reply.triggerError(ex);
});
}
else
{
Codec.parsePropertyValueArray(rt[3], 0, rt[3].length, self).then(function (ar) {
dr._attach(ar);
self.resourceRequests.remove(id);
reply.trigger(dr);
}).error(function(ex){
reply.triggerError(ex);
});
}
}).error(function(ex){
reply.triggerError(ex);
});
}).error(function(ex){
reply.triggerError(ex);
});
return reply;

9
src/Resource/Warehouse.js
View File

@ -217,10 +217,7 @@ export class WH extends IEventHandler
}
if (resource instanceof IStore)
{
this.stores.add(resource);
this._emit("connected", resource);
}
else
await store.put(resource);
@ -234,6 +231,9 @@ export class WH extends IEventHandler
await resource.trigger(ResourceTrigger.Open);
}
if (resource instanceof IStore)
this._emit("connected", resource);
return new AsyncReply(true);
}
@ -388,12 +388,9 @@ export class WH extends IEventHandler
for (var i = 0; i < this.resources.length; i++)
{
var r = this.resources.at(i);
console.log("init ", r);
var rt = await r.trigger(ResourceTrigger.Initialize);
console.log("init done", r);
if (!rt)
console.log(`Resource failed at Initialize ${r.Instance.Name} [${r.Instance.Template.ClassName}]`);
}

139
src/Stores/IndexDBStore.js
View File

@ -1,139 +0,0 @@
/*
* Copyright (c) 2017-2021 Ahmed Kh. Zamil
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/**
* Created by Ahmed Zamil on 2/18/2021.
*/
"use strict";
import { ResourceTrigger } from '../Resource/IResource.js';
import IStore from '../Resource/IStore.js'
import AsyncReply from '../Core/AsyncReply.js';
export default class IndexDBStore extends IStore
{
constructor()
{
super();
}
put(resource)
{
let rt = new AsyncReply();
var transaction = this.db.transaction(["resources"], "readwrite");
var objectStore = transaction.objectStore("resources");
// copy resource data
let props = resource.instance.template.properties;
var snap = {};
for(var i = 0; i < props.length; i++)
snap[props[i].name] = resource[props[i].name];
// debugger;
var request = objectStore.add(snap);
request.onerror = function(event) {
rt.trigger(null);
};
request.onsuccess = function(event) {
rt.trigger(request.result);
};
return rt;
}
retrive(id)
{
let rt = new AsyncReply();
var transaction = this.db.transaction(["resources"]);
var objectStore = transaction.objectStore("resources");
var request = objectStore.get(id);
request.onerror = function(event) {
rt.trigger(null);
};
request.onsuccess = function(event) {
rt.trigger(request.result);
};
return rt;
}
get(resource)
{
return new AsyncReply(null);
}
link(resource)
{
if (resource.instance.store == this)
return this.instance.name + "/" + resource.id;
}
trigger(trigger)
{
if (trigger == ResourceTrigger.Initialize)
{
let dbName = this.instance.attributes.item("db") ?? "esiur";
let request = indexedDB.open(dbName, 3);
let self = this;
let rt = new AsyncReply();
request.onupgradeneeded = function(event) {
self._store = request.result.createObjectStore("resources", {keyPath: "id", autoIncrement: true});
console.log(self._store);
};
request.onerror = function(event) {
console.error("Database error: " + event.target.errorCode);
rt.trigger(false);
};
request.onsuccess = function(event) {
console.log(event);
self.db = request.result;
rt.trigger(true);
};
return rt;
}
return new AsyncReply(true);
}
record(resource, propertyName, value, age, dateTime)
{
}
getRecord(resource, fromDate, toDate)
{
}
}

357
src/Stores/IndexedDBStore.js Normal file
View File

@ -0,0 +1,357 @@
/*
* Copyright (c) 2017-2021 Ahmed Kh. Zamil
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/**
* Created by Ahmed Zamil on 2/18/2021.
*/
"use strict";
import { ResourceTrigger } from '../Resource/IResource.js';
import IStore from '../Resource/IStore.js'
import AsyncReply from '../Core/AsyncReply.js';
import Codec from '../Data/Codec.js';
import Warehouse from '../Resource/Warehouse.js';
import DataType from '../Data/DataType.js';
export default class IndexedDBStore extends IStore
{
constructor()
{
super();
this.resources = new Map();
this.classes = new Map();
}
compose(value)
{
let type = Codec.getDataType(value, null);
switch (type)
{
case DataType.Void:
// nothing to do;
return null;
case DataType.String:
return value;
case DataType.Resource:
case DataType.DistributedResource:
return { "type": 0 , "link": value.instance.link };
case DataType.Structure:
return this.composeStructure(value);
case DataType.VarArray:
return this.composeVarArray(value);
case DataType.ResourceArray:
return this.composeResourceArray(value);
case DataType.StructureArray:
return this.composeStructureArray(value);
default:
return value;
}
}
parse(value)
{
if (value instanceof Array)
{
let bag = new AsyncBag();
for(let i = 0; i < value.length; i++)
bag.add(this.parse(value[i]));
bag.seal();
return bag;
}
else if (value?.type !== undefined)
{
if (value.type == 0)
{
return Warehouse.get(value.link);
} // structure
else if (value.type == 1)
{
var bag = new AsyncBag();
var rt = new AsyncReply();
let s = new Structure();
for (let i = 0; i < value.values.length; i++)
bag.add(this.parse(value.values[i].value));
bag.seal();
bag.then((x) =>
{
for (let i = 0; i < x.Length; i++)
s[value.values[i].name] = x[i];
rt.trigger(s);
});
return rt;
}
else
return new AsyncReply(null);
}
else
{
return new AsyncReply(value);
}
}
addClass(type)
{
let template = type.template;
let className = template.namespace + "." + type.prototype.constructor.name;
this.classes.set(className, type);
}
async fetch(id)
{
if (this.resources.has(id))
return new AsyncReply(this.resources.get(id));
let rt = new AsyncReply();
var transaction = this.db.transaction(["resources"]);
var objectStore = transaction.objectStore("resources");
var request = objectStore.get(id);
request.onerror = function(event) {
rt.trigger(null);
};
request.onsuccess = async function(event) {
var doc = request.result;
if (!this.classes.has(doc.className))
{
rt.triggerError(0, 0, "Class not found");
return;
}
//let r = await Warehouse.new(, doc.name, this, null, null, this);
let type = this.classes.get(doc.className);
var proxyType = ResourceProxy.getProxy(type);
var resource = new proxyType();
this.resources.set(doc._id, resource);
await Warehouse.put(resource, doc.name, this, null, null, null, null);
var attributes = await parse(doc.attributes);
resource.instance.setAttributes(attributes);
// Apply store managers
for (var i = 0; i < this.instance.managers.length; i++)
resource.instance.managers.add(this.instance.managers[i]);
// Load values
for(var i = 0; i < doc.values.length; i++)
{
let v = doc.values[i];
var x = await this.parse(v.value);
resource.instance.loadProperty(v.name, v.age, v.modification, x);
}
rt.trigger(resource);
};
return rt;
}
put(resource)
{
let rt = new AsyncReply();
var transaction = this.db.transaction(["resources"], "readwrite");
var objectStore = transaction.objectStore("resources");
let attrs = resource.instance.getAttributes();
var record = {
className: resource.instance.template.className,
name: resource.instance.name,
attributes: this.composeStructure(attrs),
_id: resource._id // if it has an Id will be replaced
};
// copy resource data
let props = resource.instance.template.properties;
var snap = {};
for(var i = 0; i < props.length; i++)
{
let pt = props[i];
snap[pt.name] = { "age": resource.instance.getAge(pt.index),
"modification": resource.instance.getModificationDate(pt.index),
"value": this.compose(resource[pt.name])
};
}
record.values = snap;
//snap[props[i].name] = resource[props[i].name];
// debugger;
var request = objectStore.put(snap);
request.onerror = function(event) {
rt.trigger(false);
};
request.onsuccess = function(event) {
resource["_id"] = request.result;
rt.trigger(true);
};
return rt;
}
// retrive(id)
// {
// let rt = new AsyncReply();
// var transaction = this.db.transaction(["resources"]);
// var objectStore = transaction.objectStore("resources");
// var request = objectStore.get(id);
// request.onerror = function(event) {
// rt.trigger(null);
// };
// request.onsuccess = function(event) {
// rt.trigger(request.result);
// };
// return rt;
// }
get(path)
{
var p = path.split('/');
if (p.length == 2)
if (p[0] == "id")
{
// load from Id
return this.fetch(p[1]);
}
return new AsyncReply(null);
}
link(resource)
{
if (resource.instance.store == this)
return this.instance.name + "/" + resource._id;
}
trigger(trigger)
{
if (trigger == ResourceTrigger.Initialize)
{
let dbName = this.instance.attributes.item("db") ?? "esiur";
let request = indexedDB.open(dbName, 3);
let self = this;
let rt = new AsyncReply();
request.onupgradeneeded = function(event) {
self._store = request.result.createObjectStore("resources", {keyPath: "_id", autoIncrement: true});
console.log(self._store);
};
request.onerror = function(event) {
console.error("Database error: " + event.target.errorCode);
rt.trigger(false);
};
request.onsuccess = function(event) {
console.log(event);
self.db = request.result;
rt.trigger(true);
};
return rt;
}
return new AsyncReply(true);
}
record(resource, propertyName, value, age, dateTime)
{
}
getRecord(resource, fromDate, toDate)
{
}
composeStructure(value)
{
return {type: 1, values: value.toObject()};
}
composeVarArray(array)
{
var rt = [];
for (var i = 0; i < array.length; i++)
rt.push(this.compose(array[i]));
return rt;
}
composeStructureArray(structures)
{
var rt = [];
if (structures == null || structures.Length == 0)
return rt;
for(var i = 0; i < structures.length; i++)
rt.push(this.composeStructure(structures[s]));
return rt;
}
composeResourceArray(array)
{
var rt = [];
for (var i = 0; i < array.length; i++)
rt.push({ "type": 0 , "link": array[i].instance.link });
return rt;
}
}

2
src/esiur.js
View File

@ -3,7 +3,7 @@ import wh from './Resource/Warehouse.js';
import Structure from './Data/Structure.js';
import DistributedResource from './Net/IIP/DistributedResource.js'
import MemoryStore from './Stores/MemoryStore.js';
import IndexedDBStore from './Stores/IndexDBStore.js';
import IndexedDBStore from './Stores/IndexedDBStore.js';
import IResource from './Resource/IResource.js';
import ResourceProxy from './Proxy/ResourceProxy.js';