Using Caché Objects - InterSystems Documentation

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Internet Classes addressed to , its subject, etc.) and those that represent the content or body of the message. The content properties are inherited from the %Net.MailMessagePart class. 24.1.1.1 Message Headers The header information of the %Net.MailMessage class includes the following: • To—the list of email addresses this message will be sent (or was sent) to. • From—the email address this message is sent from. When sending email, your application must provide a value for this property. • Date—the date that this message was retrieved as reported by the mail server. • Subject—a string containing the subject for this message. • Sender—the actual sender of the message as reported by the mail server. • Cc—the list of carbon copy addresses this message will be sent (or was sent) to. 24.1.1.2 Message Content The content of an email message can vary from a simple block of text to complex data represented using MIME. 24.1.2 Sending Email Caché supports sending email messages using SMTP (Simple Mail Transport Protocol). 24.1.3 Receiving Email A Caché application can download and process email messages from a mail server using the POP3 protocol. Note: Caché is not and does not contain a mail server. In order to process in-coming email messages within Caché you must have a running mail server. What Caché provides is the ability to connect to and interact with a mail server using the POP3 protocol. The interface for interacting with a mail server is provided by the %Net.FetchMailProtocol class. This abstract class includes a set of protocol-neutral methods for interacting with a mail server. Actual communication with a mail server using a specific protocol is provided by a subclass of %Net.FetchMailProtocol. Caché supports the POP3 protocol (the only one supported at this time) using the %Net.POP3 class. 198 Using Caché Objects
FTP 24.2 FTP Caché includes a class, %Net.FtpSession, for establishing a session with an FTP (File Transfer Protocol) server from within Caché and download and uploading files. 24.3 HTTP Caché includes a class, %Net.HttpRequest, for making HTTP (Hyper Text Transport Protocol) requests from within a Caché application. The response to such a request is wrapped within a %Net.HttpResponse object. 24.4 URL Parsing Caché includes a utility class, %Net.URLParser, for parsing URL strings into their component parts. This class is quite simple, it contains one class method, Parse, that takes a string containing a URL value and returns, by reference, an array containing the parts of the URL subscripted by part name. For example: Set url = "http://www.intersys.com/main.cspQUERY=abc#anchor" Do ##class(%Net.URLParser).Parse(url,.components) Upon return, components will contain an array of the parts of this URL: Element components(“scheme”) components(“netloc”) components(“path”) components(“query”) components(“fragment”) Value http: www.intersys.com /main.csp QUERY=abc anchor Description The transport scheme specified by this URL. The network address of the URL. The file path of the URL. The query string associated with the URL. The fragment (following the # character) for the URL. Using Caché Objects 199
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Using Caché Objects Version 5.2 01
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Table of Contents 1 Introduction to
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7 Properties ......................
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13.1 Inheritance and SQL ..........
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20.8 %OnNew .......................
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List of Figures Embeddable Objects
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1 Introduction to Caché Objects Th
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1.2 Class Definitions and the Class
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Development Tools Caché Class Libr
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• The Caché EJB Binding—a vers
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2 Object-Oriented Database Developm
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Encapsulation Caché exploits inher
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3 The Caché Object Model The Cach
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Referring to an Object — OREF, OI
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Types of Classes 3.2.1 Transient Ob
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Types of Classes Embeddable Objects
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A class inherits all of the specifi
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2. It resolves inheritance—it det
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Caché Classes • Class Parameters
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Caché Classes ClientDataType Descr
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Caché Classes Internally, this wor
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Packages Class Packages Any of thes
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Packages Letting the compiler resol
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Packages • “%Library” —any
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Methods where count and state are d
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Methods 6.4 Method Language You hav
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Methods 6.6 Instance and Class Meth
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Methods Write dog.Speak() Which cou
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Properties 7.1 Property Keywords Yo
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Properties Property Behavior The pr
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Properties 7.5 Attribute Properties
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Properties You can manipulate a col
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8 Class Queries Class queries provi
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Query Basics Final Specifies that s
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Caché ObjectScript. These queries
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The data in Row is the result of ex
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9 Indices Indexes provide a mechani
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Index Collation 9.2 Index Collation
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10 Using Objects with Caché Object
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Executing Methods 10.1.3 Executing
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Opening Objects 10.3 Opening Object
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where oref is the OREF of the speci
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For example, to populate the Home p
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change the second vaccination recor
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There are two types of array proper
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Saving Objects 10.5 Saving Objects
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mation. Again, this method deletes
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Set rset = ##class(%ResultSet).%New
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Executing Queries // Create a Resul
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Data Types 11.1 Available Types Cac
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Data Types • INDEXSUBSCRIPTS —
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Data Types CLIENTDATATYPE Values Va
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Data Types SQLCATEGORY Values Value
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Data Types The property is restrict
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Object Persistence 1. Its primary (
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Object Persistence Note: In a multi
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Object Persistence // Open person "
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Object Persistence For example: //
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Object Persistence If a persistent
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Object Persistence The storage clas
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13 Objects and SQL A key aspect of
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The Object-SQL Projection 13.2 The
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The Object-SQL Projection 13.2.2.1
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The Object-SQL Projection • The p
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If the list for a particular instan
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Triggers are, however, fired by the
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14 Relationships A relationship is
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Relationship Basics the relationshi
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An Invoice class class MyApp.Invoic
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14.4 Persistent Behavior of Relatio
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Streams Stream data may be stored i
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Streams 15.2.2 Copying Data between
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Streams Set stream=##class(%Stream.
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16 Class Projections Class projecti
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RemoveProjection The RemoveProjecti
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17 Object Synchronization Object sy
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Page 161 and 162: About Updates Two Synchronized Data
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Page 167 and 168: 18 Method Generators A powerful fea
Page 169 and 170: Method Generator Context 6. It copi
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Page 174 and 175: The Caché Data Population Utility
Page 182 and 183: Using Callback Methods Since differ
Page 184 and 185: Using Callback Methods ReturnValue
Page 186 and 187: Using Callback Methods 20.6 %OnDele
Page 188 and 189: Using Callback Methods 20.10 %OnRol
Page 191 and 192: 21 Object-Specific ObjectScript Fea
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Page 195 and 196: ##super Syntax 21.4 ##super Syntax
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Page 200 and 201: Dynamic Dispatch 22.2 Content of Me
Page 202 and 203: Dynamic Dispatch %DispatchMethod ca
Page 205 and 206: 23 Class Definition Classes The Cac
Page 207: You can get detailed information ab
Page 212 and 213: Internet Classes For more informati
Page 214 and 215: Object Concurrency Setting 1 2 3 4
Page 216 and 217: Object Concurrency Note: You can us
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