iluwatar / iluwatar/java-design-patterns

Tuple Table pattern

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epic: pattern info: help wanted type: feature
Dominant language
Java
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Description

Description:
The Tuple Table design pattern is a structural pattern that provides a flexible way to manage complex data structures. It is used to store and manipulate a collection of tuples (fixed-size collections of elements) in a tabular format. This pattern is particularly useful when dealing with databases or any system that requires the efficient handling of structured data.

Main elements of the Tuple Table pattern:

  1. Tuple: A finite ordered list of elements.
  2. Table: A collection of tuples organized in rows and columns, similar to a database table.
  3. Schema: Defines the structure of the tuples within the table, specifying the types and order of elements.
  4. Operations: Functions to add, remove, update, and query tuples within the table.
  5. Flexibility: Ability to handle different types of data within the same table by defining appropriate schemas.

References:

  1. Tuple Table pattern overview: Google Books Reference
  2. Project contribution guidelines: GitHub Contribution Guidelines

Acceptance Criteria:

  1. Implement the Tuple Table pattern with a clear definition of tuples, table, and schema.
  2. Provide basic operations for managing tuples within the table, including addition, removal, update, and querying of tuples.
  3. Ensure comprehensive unit tests are included to verify the correct implementation of the pattern.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the linked Tuple Table reference and project contribution guidelines, then inspect existing Java pattern implementations and their unit-test conventions. Done means the pattern defines tuples, tables, and schemas, supports add, remove, update, and query operations, and includes comprehensive unit tests.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
design
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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