Using Caché Objects - InterSystems Documentation

More documents

Recommendations

Info

Internet Classes For more information refer to the documentation for the %Net.URLParser class. 200 Using Caché Objects
A Object Concurrency This appendix provides information on: • Object concurrency options • Version checking A.1 Object Concurrency Options Many of the methods of the %Persistent class allow you to specify an optional concurrency setting in order to determine how locks are used for concurrency control. The possible concurrency settings are: Setting 0 Meaning No Locking Description No locks are used. Using Caché Objects 201
Page 1 and 2:
Using Caché Objects Version 5.2 01
Page 3 and 4:
Table of Contents 1 Introduction to
Page 5 and 6:
7 Properties ......................
Page 7 and 8:
13.1 Inheritance and SQL ..........
Page 9 and 10:
20.8 %OnNew .......................
Page 11 and 12:
List of Figures Embeddable Objects
Page 13 and 14:
1 Introduction to Caché Objects Th
Page 15 and 16:
1.2 Class Definitions and the Class
Page 17 and 18:
Development Tools Caché Class Libr
Page 19 and 20:
• The Caché EJB Binding—a vers
Page 21 and 22:
2 Object-Oriented Database Developm
Page 23 and 24:
Encapsulation Caché exploits inher
Page 25 and 26:
3 The Caché Object Model The Cach
Page 27 and 28:
Referring to an Object — OREF, OI
Page 29 and 30:
Types of Classes 3.2.1 Transient Ob
Page 31 and 32:
Types of Classes Embeddable Objects
Page 33 and 34:
A class inherits all of the specifi
Page 35:
2. It resolves inheritance—it det
Page 38 and 39:
Caché Classes • Class Parameters
Page 40 and 41:
Caché Classes ClientDataType Descr
Page 42 and 43:
Caché Classes Internally, this wor
Page 44 and 45:
Packages Class Packages Any of thes
Page 46 and 47:
Packages Letting the compiler resol
Page 48 and 49:
Packages • “%Library” —any
Page 50 and 51:
Methods where count and state are d
Page 52 and 53:
Methods 6.4 Method Language You hav
Page 54 and 55:
Methods 6.6 Instance and Class Meth
Page 56 and 57:
Methods Write dog.Speak() Which cou
Page 58 and 59:
Properties 7.1 Property Keywords Yo
Page 60 and 61:
Properties Property Behavior The pr
Page 62 and 63:
Properties 7.5 Attribute Properties
Page 64 and 65:
Properties You can manipulate a col
Page 67 and 68:
8 Class Queries Class queries provi
Page 69 and 70:
Query Basics Final Specifies that s
Page 71 and 72:
Caché ObjectScript. These queries
Page 73 and 74:
The data in Row is the result of ex
Page 75 and 76:
9 Indices Indexes provide a mechani
Page 77 and 78:
Index Collation 9.2 Index Collation
Page 79 and 80:
10 Using Objects with Caché Object
Page 81 and 82:
Executing Methods 10.1.3 Executing
Page 83 and 84:
Opening Objects 10.3 Opening Object
Page 85 and 86:
where oref is the OREF of the speci
Page 87 and 88:
For example, to populate the Home p
Page 89 and 90:
change the second vaccination recor
Page 91 and 92:
There are two types of array proper
Page 93 and 94:
Saving Objects 10.5 Saving Objects
Page 95 and 96:
mation. Again, this method deletes
Page 97 and 98:
Set rset = ##class(%ResultSet).%New
Page 99:
Executing Queries // Create a Resul
Page 102 and 103:
Data Types 11.1 Available Types Cac
Page 104 and 105:
Data Types • INDEXSUBSCRIPTS —
Page 106 and 107:
Data Types CLIENTDATATYPE Values Va
Page 108 and 109:
Data Types SQLCATEGORY Values Value
Page 110 and 111:
Data Types The property is restrict
Page 112 and 113:
Object Persistence 1. Its primary (
Page 114 and 115:
Object Persistence Note: In a multi
Page 116 and 117:
Object Persistence // Open person "
Page 118 and 119:
Object Persistence For example: //
Page 120 and 121:
Object Persistence If a persistent
Page 122 and 123:
Object Persistence The storage clas
Page 125 and 126:
13 Objects and SQL A key aspect of
Page 127 and 128:
The Object-SQL Projection 13.2 The
Page 129 and 130:
The Object-SQL Projection 13.2.2.1
Page 131 and 132:
The Object-SQL Projection • The p
Page 133 and 134:
If the list for a particular instan
Page 135 and 136:
Triggers are, however, fired by the
Page 137 and 138:
14 Relationships A relationship is
Page 139 and 140:
Relationship Basics the relationshi
Page 141 and 142:
An Invoice class class MyApp.Invoic
Page 143:
14.4 Persistent Behavior of Relatio
Page 146 and 147:
Streams Stream data may be stored i
Page 148 and 149:
Streams 15.2.2 Copying Data between
Page 150 and 151:
Streams Set stream=##class(%Stream.
Page 153 and 154:
16 Class Projections Class projecti
Page 155 and 156:
RemoveProjection The RemoveProjecti
Page 157 and 158:
17 Object Synchronization Object sy
Page 159 and 160:
About Updates • If two changes re
Page 161 and 162: About Updates Two Synchronized Data
Page 163 and 164: • classname is a quoted string th
Page 165 and 166: Set Status = TargetSyncSet.Import(f
Page 167 and 168: 18 Method Generators A powerful fea
Page 169 and 170: Method Generator Context 6. It copi
Page 171: Implementing Method Generators 3. A
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
Page 193 and 194: ##this Syntax >Do ##class(Package.C
Page 195 and 196: ##super Syntax 21.4 ##super Syntax
Page 197: You can override a property's defau
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 210 and 211: Internet Classes addressed to , its
Page 214 and 215: Object Concurrency Setting 1 2 3 4
Page 216 and 217: Object Concurrency Note: You can us
show all

Using Caché Objects - InterSystems Documentation

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?