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This is an official Request for Comment (RFC) for replacing {{{GraphObjAttributes}}}. This is an official Request for Comment (RFC) for replacing {{{GraphObjAttributes}}}. RFCs represent one possible mechanism for soliciting feedback for core features / refactoring. For details on RFCs in general, check out the [http://www.answers.com/main/ntquery?method=4&dsid=2222&dekey=Request+for+Comments&gwp=8&curtab=2222_1&linktext=Request%20for%20Comments Wikipedia Entry: Request for Comments (RFCs)]
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10/4/2005, Version 0.2 of the proposal is below. This represents a beta version of the API, with input from: Nerius, Iliana, Rowan, Gary and Ethan. '''On 10/13/2005, the Cytoscape Developers group unanimously voted to accept {{{CyAttributes}}} into the Cytoscape core. Work on implementation has begun, and the RFC is now officially __closed to public comment__. You can still add comments, but we can't guarantee that those comments will be accepted into the API until our next Cytoscape release.'''
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The following represents Version 0.2 notes, as agreed by Nerius, Iliana and Ethan:
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    * {{{CyData}}} is now called {{{MultiHashMap}}}. We wanted to give it a name that reflected its role as a core data structure. ["/RFC1 Comment CyData Name"]
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  * The API provides several overloaded version of {{{setAttribute}}}, one for each basic data type, e.g. {{{setAttribute(String id, String attributeName, double value)}}}. It also provides several varients of getAttribute, e.g. {{{Double getDoubleAttribute(String id, String attributeName)}}}. ["/RFC1 Comment Getters Setters"]   * {{{CyAttributes}}} uses a {{{MultiHashMap}}} as a back-end data store, but does not extend {{{MultiHashMap}}}. ["/RFC1 Comment Complex Data Structures"]

  * {{{CyAttributes}}} provides several overloaded versions of {{{setAttribute}}}, one for each basic data type, e.g. {{{setAttribute(String id, String attributeName, Double value)}}}. It also provides several varients of getAttribute, e.g. {{{Double getDoubleAttribute(String id, String attributeName)}}}. ["/RFC1 Comment Getters Setters"]
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  * {{{AttributeData}}} provides support for 'simple' maps. By simple, I mean that all keys in the map must be of type String, and all values must be of the same type, and must be one of: Boolean, Integer, Double, and String. {{{AttributeData}}} enforces these requirement explicitly. See proposed API below. ["/RFC1 Comment Maps"]   * {{{CyAttributes}}} provides support for 'simple' maps. A 'simple' map is defined as follows:
    * All keys within the map are of type: String.
    * All values within the map are of the same type, and are chosen from one of the following: Boolean, Integer, Double or String. ["/RFC1 Comment Maps"]
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  * To do complicated things, such as create arbitarily complex data structures, you can obtain a copy of {{{CyData}}} and {{{CyDataDefinition}}} from {{{AttributeData}}}. Advanced users who need this functionality can read through the {{{CyData}}} and {{{CyDataDefinition}}} Javadocs. ["/RFC1 Comment Complex Data Structures"]   * To do complicated things, such as create arbitarily complex data structures, you can obtain the {{{MultiHashMap}}} and {{{MultiHashMapDataDefinition}}} from {{{CyAttributes}}}. ["/RFC1 Comment Complex Data Structures"]
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  * Item not yet covered: Event / Listener Framework ["/RFC1 Comment Event Framework"]   * Event / Listener Framework: Coders who wish to register for attribute events can use the existing listener API provided by {{{MultiHashMap}}}. ["/RFC1 Comment Event Framework"]
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  * Item not yet covered: support for Labels (Rowan has this feature in the current implementation of {{{CytoscapeData}}}) ["/RFC1 Comment Labels"]   * Misc items that didn't fit in any existing category: ["/RFC1 Comment API"]
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  * Item not yet covered: recommended attribute names ["/RFC1 Comment Attribute Names"]   * '''Open Item:''' how to access global node / edge attributes ["/RFC1 Comment Global Attribute Access"]
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 ["/RFC1 Comment API"] === Deferred Items: ===

  * Recommended attribute names. ["/RFC1 Comment Attribute Names"]

  * Support for attribute labels or categories. ["/RFC1 Comment Labels"]

=== References: ===
  
  * [http://java.sun.com/j2se/1.5.0/docs/guide/javadoc/deprecation/deprecation.html How and When To Deprecate APIs] (Java Sun Site).
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  * Version 0.2 of {{{CyAttributes}}} is now checked in CVS at: src/cytoscape/data/
  * [http://cbio.mskcc.org/~cerami/cyto/docs/cytoscape/data/CyAttributes.html View Proposed JavaDocs]

=== Implementation Plan ===

  * ["/RFC1 Implementation Plan"]

TableOfContents([2])

About this Document

This is an official Request for Comment (RFC) for replacing GraphObjAttributes. RFCs represent one possible mechanism for soliciting feedback for core features / refactoring. For details on RFCs in general, check out the [http://www.answers.com/main/ntquery?method=4&dsid=2222&dekey=Request+for+Comments&gwp=8&curtab=2222_1&linktext=Request%20for%20Comments Wikipedia Entry: Request for Comments (RFCs)]

Status

On 10/13/2005, the Cytoscape Developers group unanimously voted to accept CyAttributes into the Cytoscape core. Work on implementation has begun, and the RFC is now officially closed to public comment. You can still add comments, but we can't guarantee that those comments will be accepted into the API until our next Cytoscape release.

How to Comment:

To view/add comments, click on any of 'Comment' links below. By adding your ideas to the Wiki directly, we can more easily organize everyone's ideas, and keep clear records. Be sure to include today's date and your name for each comment. Here is an example to get things started: ["/RFC1 Comment Name"].

Try to keep your comments as concrete and constructive as possible. For example, if you find a part of the API makes no sense, please say so, but don't stop there. Take the extra step and propose alternatives.

General Notes:

The following represents Version 0.2 notes, as agreed by Nerius, Iliana and Ethan:

  • The new interface is now called CyAttributes. ["/RFC1 Comment Name"]

  • CyData is now called MultiHashMap. We wanted to give it a name that reflected its role as a core data structure. ["/RFC1 Comment CyData Name"]

  • CyAttributes uses a MultiHashMap as a back-end data store, but does not extend MultiHashMap. ["/RFC1 Comment Complex Data Structures"]

  • CyAttributes provides several overloaded versions of setAttribute, one for each basic data type, e.g. setAttribute(String id, String attributeName, Double value). It also provides several varients of getAttribute, e.g. Double getDoubleAttribute(String id, String attributeName). ["/RFC1 Comment Getters Setters"]

  • CyAttributes provides support for 'simple' lists. A 'simple' list is defined as follows:

    • All items within the list are of the same type, and are chosen from one of the following: Boolean, Integer, Double or String. ["/RFC1 Comment Lists"]

  • CyAttributes provides support for 'simple' maps. A 'simple' map is defined as follows:

    • All keys within the map are of type: String.
    • All values within the map are of the same type, and are chosen from one of the following: Boolean, Integer, Double or String. ["/RFC1 Comment Maps"]

  • To do complicated things, such as create arbitarily complex data structures, you can obtain the MultiHashMap and MultiHashMapDataDefinition from CyAttributes. ["/RFC1 Comment Complex Data Structures"]

  • Event / Listener Framework: Coders who wish to register for attribute events can use the existing listener API provided by MultiHashMap. ["/RFC1 Comment Event Framework"]

  • Misc items that didn't fit in any existing category: ["/RFC1 Comment API"]

  • Open Item: how to access global node / edge attributes ["/RFC1 Comment Global Attribute Access"]

Deferred Items:

  • Recommended attribute names. ["/RFC1 Comment Attribute Names"]
  • Support for attribute labels or categories. ["/RFC1 Comment Labels"]

References:

Proposed API: Version 0.1

Implementation Plan

  • ["/RFC1 Implementation Plan"]

RFC_1 (last edited 2009-02-12 01:04:12 by localhost)

Funding for Cytoscape is provided by a federal grant from the U.S. National Institute of General Medical Sciences (NIGMS) of the Na tional Institutes of Health (NIH) under award number GM070743-01. Corporate funding is provided through a contract from Unilever PLC.

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