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+<!DOCTYPE html><html><head><title>Sencha Documentation Project</title><link rel="stylesheet" href="../reset.css" type="text/css"><link rel="stylesheet" href="../prettify.css" type="text/css"><link rel="stylesheet" href="../prettify_sa.css" type="text/css"><script type="text/javascript" src="../prettify.js"></script></head><body onload="prettyPrint()"><pre class="prettyprint"><pre><span id='Ext-data.proxy.Memory'>/**
+</span> * @author Ed Spencer
+ * @class Ext.data.proxy.Memory
+ * @extends Ext.data.proxy.Client
+ *
+ * <p>In-memory proxy. This proxy simply uses a local variable for data storage/retrieval, so its contents are lost on
+ * every page refresh.</p>
+ *
+ * <p>Usually this Proxy isn't used directly, serving instead as a helper to a {@link Ext.data.Store Store} where a
+ * reader is required to load data. For example, say we have a Store for a User model and have some inline data we want
+ * to load, but this data isn't in quite the right format: we can use a MemoryProxy with a JsonReader to read it into
+ * our Store:</p>
+ *
+<pre><code>
+//this is the model we will be using in the store
+Ext.define('User', {
+ extend: 'Ext.data.Model',
+ fields: [
+ {name: 'id', type: 'int'},
+ {name: 'name', type: 'string'},
+ {name: 'phone', type: 'string', mapping: 'phoneNumber'}
+ ]
+});
+
+//this data does not line up to our model fields - the phone field is called phoneNumber
+var data = {
+ users: [
+ {
+ id: 1,
+ name: 'Ed Spencer',
+ phoneNumber: '555 1234'
+ },
+ {
+ id: 2,
+ name: 'Abe Elias',
+ phoneNumber: '666 1234'
+ }
+ ]
+};
+
+//note how we set the 'root' in the reader to match the data structure above
+var store = new Ext.data.Store({
+ autoLoad: true,
+ model: 'User',
+ data : data,
+ proxy: {
+ type: 'memory',
+ reader: {
+ type: 'json',
+ root: 'users'
+ }
+ }
+});
+</code></pre>
+ */
+Ext.define('Ext.data.proxy.Memory', {
+ extend: 'Ext.data.proxy.Client',
+ alias: 'proxy.memory',
+ alternateClassName: 'Ext.data.MemoryProxy',
+
+<span id='Ext-data.proxy.Memory-cfg-data'> /**
+</span> * @cfg {Array} data Optional array of Records to load into the Proxy
+ */
+
+ constructor: function(config) {
+ this.callParent([config]);
+
+ //ensures that the reader has been instantiated properly
+ this.setReader(this.reader);
+ },
+
+<span id='Ext-data.proxy.Memory-method-read'> /**
+</span> * Reads data from the configured {@link #data} object. Uses the Proxy's {@link #reader}, if present
+ * @param {Ext.data.Operation} operation The read Operation
+ * @param {Function} callback The callback to call when reading has completed
+ * @param {Object} scope The scope to call the callback function in
+ */
+ read: function(operation, callback, scope) {
+ var me = this,
+ reader = me.getReader(),
+ result = reader.read(me.data);
+
+ Ext.apply(operation, {
+ resultSet: result
+ });
+
+ operation.setCompleted();
+ operation.setSuccessful();
+ Ext.callback(callback, scope || me, [operation]);
+ },
+
+ clear: Ext.emptyFn
+});
+</pre></pre></body></html>
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