Apex Reference Guide

Apex Reference Guide
Apex DML Operations
ApexPages Namespace
AppLauncher Namespace
Approval Namespace
Auth Namespace
Cache Namespace
Canvas Namespace
ChatterAnswers Namespace
CommercePayments Namespace
ConnectApi Namespace
Database Namespace
Batchable Interface
BatchableContext Interface
DeletedRecord Class
DeleteResult Class
DMLOptions Class
DmlOptions.AssignmentRuleHeader Class
DMLOptions.DuplicateRuleHeader Class
DmlOptions.EmailHeader Class
DuplicateError Class
EmptyRecycleBinResult Class
Error Class
GetDeletedResult Class
GetUpdatedResult Class
LeadConvert Class
LeadConvertResult Class
MergeResult Class
QueryLocator Class
QueryLocatorIterator Class
QueryLocatorIterator Methods
SaveResult Class
UndeleteResult Class
UpsertResult Class
Datacloud Namespace
DataSource Namespace
Dom Namespace
EventBus Namespace
Flow Namespace
Functions Namespace
KbManagement Namespace
LxScheduler Namespace
Messaging Namespace
Metadata Namespace
Pref_center Namespace
Process Namespace
QuickAction Namespace
Reports Namespace
Schema Namespace
Search Namespace
Sfc Namespace
Sfdc_Checkout Namespace
sfdc_surveys Namespace
Site Namespace
Support Namespace
System Namespace
TerritoryMgmt Namespace
TxnSecurity Namespace
UserProvisioning Namespace
VisualEditor Namespace
Wave Namespace
Appendices
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QueryLocatorIterator Class

Represents an iterator over a query locator record set.

Namespace

Database

Example

This sample shows how to obtain an iterator for a query locator, which contains five accounts. This sample calls hasNext and next to get each record in the collection.

QueryLocatorIterator Methods

The following are methods for QueryLocatorIterator. All are instance methods.

hasNext()

Returns true if there are one or more records remaining in the collection; otherwise, returns false.

Signature

public Boolean hasNext()

Return Value

Type: Boolean

next()

Advances the iterator to the next sObject record and returns the sObject.

Signature

public sObject next()

Return Value

Type: sObject

Usage

Because the return value is the generic sObject type, you must cast it if using a more specific type. For example:

Example