Provides a generic infrastructure for modelling projects. Documentation available in the Javadoc. The build system design overview describes the basic purpose of modelling projects.Question (arch-overall): Describe the overall architecture. Answer: ProjectAPI - The Project API defines abstract projects. These are groupings of files built and manipulated as units. It is used for Ant-based projects but could support other scenarios such as makefiles. Modules can plug in project types which can recognize certain folders as being projects, and define their behaviors. Besides the visible Javadoc, this module permits a project to add implementations of
org.netbeans.spi.queries.FileEncodingQueryImplementationinto the project lookup (rather than global lookup). The implementations will be consulted only in the case the relevant file belongs to that project (according to
org.netbeans.api.project.FileOwnerQuery). This helps avoid the need to consult irrelevant query implementations. Question (arch-usecases): Describe the main use cases of the new API. Who will use it under what circumstances? What kind of code would typically need to be written to use the module? Answer:
The SPI should be used by modules defining particular project types, e.g. the J2SE project type. The API is to be used primarily by GUI infrastructure and some queries, though other module code may on occasion need to refer to the API.Question (arch-time): What are the time estimates of the work? Answer:
Basic code already written. No major remaining work anticipated.Question (arch-quality): How will the quality of your code be tested and how are future regressions going to be prevented? Answer:
All Javadoc-specified functionality should be covered by unit tests.Question (arch-where): Where one can find sources for your module? WARNING: Question with id="arch-where" has not been answered!
For finding project factories. Exported through API of
Project directory and many other uses.
Project-specific multiplexers for queries.
The default answer to this question is:
These modules are required in project.xml:
None.Question (dep-platform): On which platforms does your module run? Does it run in the same way on each? Answer:
No known platform dependencies.Question (dep-jre): Which version of JRE do you need (1.2, 1.3, 1.4, etc.)? Answer:
1.4+.Question (dep-jrejdk): Do you require the JDK or is the JRE enough? Answer:
JAR only.Question (deploy-nbm): Can you deploy an NBM via the Update Center? Answer:
Yes.Question (deploy-shared): Do you need to be installed in the shared location only, or in the user directory only, or can your module be installed anywhere? Answer:
Anywhere.Question (deploy-packages): Are packages of your module made inaccessible by not declaring them public? Answer:
Only official API and SPI packages are exported.Question (deploy-dependencies): What do other modules need to do to declare a dependency on this one, in addition to or instead of the normal module dependency declaration (e.g. tokens to require)? Answer: Nothing.
No I18N messages. Projects may have localized display names if they wish.Question (compat-standards): Does the module implement or define any standards? Is the implementation exact or does it deviate somehow? Answer:
None applicable.Question (compat-version): Can your module coexist with earlier and future versions of itself? Can you correctly read all old settings? Will future versions be able to read your current settings? Can you read or politely ignore settings stored by a future version? Answer:
No settings defined by this module.Question (compat-deprecation): How the introduction of your project influences functionality provided by previous version of the product? WARNING: Question with id="compat-deprecation" has not been answered!
Only where needed for queries.Question (resources-layer): Does your module provide own layer? Does it create any files or folders in it? What it is trying to communicate by that and with which components? Answer:
No.Question (resources-read): Does your module read any resources from layers? For what purpose? Answer:
No.Question (resources-mask): Does your module mask/hide/override any resources provided by other modules in their layers? Answer:
No.Question (resources-preferences): Does your module uses preferences via Preferences API? Does your module use NbPreferences or or regular JDK Preferences ? Does it read, write or both ? Does it share preferences with other modules ? If so, then why ? WARNING: Question with id="resources-preferences" has not been answered!
org.openide.util.Lookupor any similar technology to find any components to communicate with? Which ones? Answer:
Project factories are searched for in global lookup. Order is significant;
earlier factories take precedence. Similarly for
Query multiplexers.Question (lookup-remove): Do you remove entries of other modules from lookup? Answer:
System.getProperty) property? On a similar note, is there something interesting that you pass to
java.util.logging.Logger? Or do you observe what others log? Answer:
No.Question (exec-component): Is execution of your code influenced by any (string) property of any of your components? Answer:
No.Question (exec-ant-tasks): Do you define or register any ant tasks that other can use? WARNING: Question with id="exec-ant-tasks" has not been answered! Question (exec-classloader): Does your code create its own class loader(s)? Answer:
No.Question (exec-reflection): Does your code use Java Reflection to execute other code? Answer:
No.Question (exec-privateaccess): Are you aware of any other parts of the system calling some of your methods by reflection? Answer:
No.Question (exec-process): Do you execute an external process from your module? How do you ensure that the result is the same on different platforms? Do you parse output? Do you depend on result code? Answer:
No.Question (exec-introspection): Does your module use any kind of runtime type information (
instanceof, work with
java.lang.Class, etc.)? Answer:
No.Question (exec-threading): What threading models, if any, does your module adhere to? How the project behaves with respect to threading? Answer:
There is a single global read-write lock used by all project metadata operations. Additionally, certain read operations use a nested private lock to avoid cache corruption.Question (security-policy): Does your functionality require modifications to the standard policy file? Answer:
No.Question (security-grant): Does your code grant additional rights to some other code? Answer:
None.Question (format-dnd): Which protocols (if any) does your code understand during Drag & Drop? Answer:
None.Question (format-clipboard): Which data flavors (if any) does your code read from or insert to the clipboard (by access to clipboard on means calling methods on
No.Question (perf-exit): Does your module run any code on exit? Answer:
No.Question (perf-scale): Which external criteria influence the performance of your program (size of file in editor, number of files in menu, in source directory, etc.) and how well your code scales? Answer:
Performance scales linearly in number of project type providers registered globally. However typically there is just the singleton Ant-based provider which delegates to others in constant time.Question (perf-limit): Are there any hard-coded or practical limits in the number or size of elements your code can handle? Answer:
None known.Question (perf-mem): How much memory does your component consume? Estimate with a relation to the number of windows, etc. Answer:
Each loaded project consumes a small amount of memory for object overhead.Question (perf-wakeup): Does any piece of your code wake up periodically and do something even when the system is otherwise idle (no user interaction)? Answer:
No.Question (perf-progress): Does your module execute any long-running tasks? Answer:
No.Question (perf-huge_dialogs): Does your module contain any dialogs or wizards with a large number of GUI controls such as combo boxes, lists, trees, or text areas? Answer:
No.Question (perf-menus): Does your module use dynamically updated context menus, or context-sensitive actions with complicated and slow enablement logic? Answer:
No.Question (perf-spi): How the performance of the plugged in code will be enforced? Answer:
Project factories are expected to operate quickly.
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