Zim applications consist of collections of objects, each of which has a specific purpose and a set of features. These objects are described in the Object Dictionary. These various types of objects are EntitySets Menus Relationships Windows Roles Sets Documents Variables Forms Constants Displays Directories The Object Dictionary is arranged such that all objects of…
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For each object registered, ZOM records several properties that identify the object and track the object’s state. Some of these properties are set automatically by ZOM, while others are designated manually by the user. These properties are then used by the ZOM services in processing objects and can be used by you to select the…
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Zim contains a number of fixed object types. The objects in any application depend on each other in various ways. These dependencies among objects form a network of interrelationships. An EntitySet, for example, depends on its fields. If the definition of a field changes, then the definition of the EntitySet changes. A relationship object depends…
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The object dependency information can also be used to select un-referenced objects that are not used by any other object. In our example, there are three un-referenced objects: pMainMenu, PlacedBy and vJunkVar. Un-referenced objects can be selected using the “u” selection criteria, as shown in the following example: ZOMList +p u Objects Found by Unreferenced…
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Dependency implosion is the process of finding the objects which depended on (i.e., used) by a given object, and so on down the dependency tree. There are three different kinds of implosion: immediate, creation, and program. As an example, to list all of objects that are used by pMainMenu, enter ZOMList pMainMenu +i The result…
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Dependency Explosion is the process of finding the objects which depend on (i.e., uses) a given object, and so on up the dependency tree. There are three different kinds of explosion: immediate, creation, and program. As an example, let’s suppose we want list all of the objects that use Customers: ZOMList Customers +x The result…
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ZOM is an integrated component for object management. It is highly recommended that it remains on permanently to obtain the benefits of analyzing and manipulating objects. If you are using ZOM on the command line, you must first enable ZOM before using any of the object management services during a Zim session. This is done…
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Objects are imported using the ZOMImport command. ZOMImport imports all objects described in the ASCII files produced by ZOMExport. Therefore, before you can use ZOMImport, you must first place the ZOMExport files in your database directory. Then, to invoke ZOMImport, enter ZOMImport You can also import Z41 files that are compatible with older versions of…
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Objects are exported using the ZOMExport command. The objects to export are identified using the normal object selection criteria. For example, suppose you have associated all the objects you want to export with the keyword “To_Export”. The following command exports these objects: ZOMExport +k To_Export ZOMExport builds a series of ASCII files containing the object…
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ZOM provides two special services for exchanging objects between separate development environments. Objects are exported from one environment using ZOMExport and imported into another environment using ZOMImport. These services use a machine-independent ASCII file format to exchange objects. Objects being exchanged retain their object key identification. The object key enables ZOMImport to compare the objects…
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