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Data Transfer Hash pattern #1269

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iluwatar opened this issue Jul 7, 2020 · 7 comments · May be fixed by #3141
Open

Data Transfer Hash pattern #1269

iluwatar opened this issue Jul 7, 2020 · 7 comments · May be fixed by #3141
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@Basmala27
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epic: pattern type: feature

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@iluwatar
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iluwatar commented Jul 7, 2020 •
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Description:
The Data Transfer Hash design pattern is used to transfer a large amount of data between different parts of a system or across systems. This pattern uses a hash map to store data as key-value pairs, which facilitates easy data retrieval and manipulation. The primary elements of this pattern include:

  • Data Container: A hash map or dictionary to store the data.
  • Serialization/Deserialization: Methods to convert data to and from the hash map format.
  • Encapsulation: Ensuring that the data structure hides its implementation details and exposes only necessary interfaces for interaction.
  • Efficiency: Optimization for quick data access and manipulation.

References:

  1. Data Transfer Hash Design Pattern - Link to Book
  2. Project Contribution Guidelines - Github Wiki

Acceptance Criteria:

  1. Implement a hash map-based data container with appropriate methods for adding, retrieving, and removing data.
  2. Include serialization and deserialization methods for converting the data container to and from a transferable format.
  3. Ensure the implementation adheres to the project's coding standards and passes all existing unit tests.
@x418-22n
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Hello, I would work on this issue within one month.

@ohbus
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ohbus commented Apr 19, 2021

Here you go @x418-22n

Please mention a timeline for when can we expect a PR against this issue.

@ohbus ohbus linked a pull request Apr 19, 2021 that will close this issue
data transfer hash(issue 1269) #1704
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@iluwatar
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This issue is free for taking again.

@SpaceIshtar
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Hi, I would like to give it a shot. Could you please assign it to me? I believe I could open a PR before Apr 24th.

@SpaceIshtar SpaceIshtar mentioned this issue Apr 13, 2022
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@iluwatar
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iluwatar commented Jul 1, 2022

Ok @SpaceIshtar

@iluwatar
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@SpaceIshtar are you working on this?

@iluwatar iluwatar moved this to In Progress in Java Design Patterns project Oct 29, 2022
@iluwatar iluwatar closed this as completed Nov 9, 2022
Repository owner moved this from In Progress to Done in Java Design Patterns project Nov 9, 2022
@iluwatar iluwatar modified the milestone: 1.26.0 Nov 9, 2022
@iluwatar iluwatar reopened this Nov 9, 2022
@iluwatar iluwatar moved this from Done to Todo in Java Design Patterns project Mar 24, 2024
@Basmala27
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hello, @iluwatar can you assign this issue to me.?

Basmala27 pushed a commit to Basmala27/java-design-patterns that referenced this issue Dec 8, 2024
Fix issue with DataTransferHashMap handling missing data
98aa020 
- Added null checks in `getData` and `removeData` methods to handle cases where the key does not exist.
- Updated tests for `addData`, `getData`, and `removeData` to ensure proper functionality.
- Improved the `displayData` method to provide clearer output.
- Fixed minor formatting and documentation issues in the `DataTransferHashMap` class.

Closes iluwatar#1269 (if the issue is related to an existing issue on GitHub)
@Basmala27 Basmala27 linked a pull request Dec 8, 2024 that will close this issue
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Basmala27 added a commit to Basmala27/java-design-patterns that referenced this issue Dec 8, 2024
@Basmala27
Merge branch 'master' into fix--issue--iluwatar#1269
346d924
@iluwatar iluwatar moved this from Todo to In Progress in Java Design Patterns project Dec 14, 2024
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epic: pattern type: feature
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Java Design Patterns project
Status: In Progress
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@iluwatar @ohbus @x418-22n @SpaceIshtar @Basmala27