/** * Encapsulates a read operation as performed by a {@link Ext.data.proxy.Proxy proxy}. * * This class is instantiated by {@link Ext.data.Store stores} and {@link Ext.data.Model records} * and should not need to be instantiated in user code. */Ext.define('Ext.data.operation.Read', { extend: 'Ext.data.operation.Operation', alias: 'data.operation.read', action: 'read', isReadOperation: true, config: { /** * @cfg {Ext.util.Filter[]} filters * Optional array of filter objects. Only applies to 'read' actions. */ filters: undefined, /** * @cfg {Ext.util.Sorter[]} sorters * Optional array of sorter objects. Only applies to 'read' actions. */ sorters: undefined, /** * @cfg {Ext.util.Grouper[]} groupers * Optional grouping configuration. Only applies to 'read' actions where * grouping is desired. */ groupers: undefined, /** * @cfg {Ext.data.Field[]} summaries * Optional summary configuration. Only applies to 'read' actions where * remote summary is desired. */ summaries: undefined, /** * @cfg {Ext.util.Grouper} grouper * Optional grouping configuration. Only applies to 'read' actions where grouping is * desired. */ grouper: undefined, /** * @cfg {Number} start * The start index (offset), used in paging when running a 'read' action. */ start: undefined, /** * @cfg {Number} limit * The number of records to load. Used on 'read' actions when paging is being used. */ limit: undefined, /** * @cfg {Number} page * The page for this operation. */ page: undefined, /** * @cfg {Boolean} addRecords * Passed internally to loadRecords when the load completes * @private */ addRecords: false }, doExecute: function() { return this.getProxy().read(this); }, doProcess: Ext.emptyFn, allowWrite: function() { return false; }});