fs2 | Flexible Storage System - URI-centric Middleware API | Storage library

 by   robertjchristian Java Version: Current License: No License

kandi X-RAY | fs2 Summary

kandi X-RAY | fs2 Summary

fs2 is a Java library typically used in Storage, Amazon S3 applications. fs2 has no bugs, it has no vulnerabilities and it has high support. However fs2 build file is not available. You can download it from GitHub.

there are similar technologies out there such as apache commons virtual file system (vfs) and apache jackrabbit. fs2 distinguishes itself with the following: * storage-agnostic api. client code does not know about the underlying persistence store. for example, a vfs url make look like jar:/a/b, where fs2 is simply fs2:/a/b/. * tdd friendly. use the default fs2 repo (in-memory) while developing for easy testing without minding the complexities of configuration, authentication, and details of databases/filesystem stores. then when the code is ready for prime time, simply flip a switch (ie change "mem" to "mongo"), and objects will be persisted. * lightweight dependencies. the core fs2 api code is lightweight, and for any given deployment scenario, you need only
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            kandi-support Support

              fs2 has a highly active ecosystem.
              It has 7 star(s) with 3 fork(s). There are 2 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 1 open issues and 0 have been closed. On average issues are closed in 2455 days. There are 1 open pull requests and 0 closed requests.
              It has a positive sentiment in the developer community.
              The latest version of fs2 is current.

            kandi-Quality Quality

              fs2 has 0 bugs and 0 code smells.

            kandi-Security Security

              fs2 has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              fs2 code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              fs2 does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              fs2 releases are not available. You will need to build from source code and install.
              fs2 has no build file. You will be need to create the build yourself to build the component from source.
              fs2 saves you 849 person hours of effort in developing the same functionality from scratch.
              It has 1945 lines of code, 283 functions and 25 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed fs2 and discovered the below as its top functions. This is intended to give you an instant insight into fs2 implemented functionality, and help decide if they suit your requirements.
            • Moves a directory from one to another
            • Update object metadata
            • Generates a URI from a string
            • Returns the children of the given node
            • Create an array of object metadata snapshots
            • Check if a path exists
            • Create a new URI that represents the parent of the given uri
            • Retrieves a list of all descendants of the given URI
            • Returns a list of all descendants of the given URI
            • Copy a directory
            • Parses the given URI into a set of child nodes
            • Sets the headers on this object
            • Read the payload to bytes
            • Adds a new header
            • Provides a map of monomers that can be used by the core fs2
            • Append a path element
            • Makes sure that the given URI is a valid FS2 URI
            • Parses all descendant nodes for the given uri
            • Return the list of direct child nodes
            • Generate the expiration date
            • Convert an object to a byte array
            • Creates a metadata snapshot from a bytes stream
            • Create object snapshot
            • Clone this object
            • Initializes the filesystem
            • Determine the storage provider based on the given configuration
            Get all kandi verified functions for this library.

            fs2 Key Features

            No Key Features are available at this moment for fs2.

            fs2 Examples and Code Snippets

            No Code Snippets are available at this moment for fs2.

            Community Discussions

            QUESTION

            How can I add titles to my subplots from a list or dictionary?
            Asked 2021-May-12 at 21:07

            I'm working on a code to plot various heatmaps for different meteorological seasons. I want to look at the correlation between different renewable energy resources and demand. I created a list that I called "core_matrix" in which each integer in the list corresponds to a correlation matrix for a different season.

            Currently, with the way I've set up my list and programs, I am having trouble with the titles of my subplots. When I use a list of titles in the ax.set_title... line I get an error: raise ValueError(f"Must pass 2-d input. shape={values.shape}") ValueError: Must pass 2-d input. shape=()

            Could someone please help me fix this?

            Below is a copy of my code:

            ...

            ANSWER

            Answered 2021-May-12 at 21:07

            I answered my own question! Though I'm not sure why this fixed the problem or what was wrong initally.

            I added

            axes=axes.flatten() and I changed the line with the for loop: for i,ax in enumerate(axes):

            So now the last part of my code looks like this:

            Source https://stackoverflow.com/questions/67496011

            QUESTION

            is "implictly" in scala now deprecated or at least not required anymore?
            Asked 2021-May-04 at 22:56

            checking into fs2 tutorial, I stumbled upon the following code

            ...

            ANSWER

            Answered 2021-May-04 at 14:27

            It's just a convention followed by many libraries: if FooBar[K] is some typeclass, then one usually defines an apply method on the companion object, with a signature that looks somewhat like this:

            Source https://stackoverflow.com/questions/67382395

            QUESTION

            Add a button in full screen mode to reset to normal mode in two plots in a shiny app
            Asked 2021-Apr-25 at 12:28

            In the app below I display 2 plots and each time I press the relative actionButton() I get them in full screen. In full screen mode a second actionButton() is displayed to escape the full screen and then it is hidden again. But I cannot make it work for 2 plots instead of one based on this.

            ...

            ANSWER

            Answered 2021-Apr-25 at 12:28

            Don't define JavaScript functions with the same names. Also don't use duplicated ids in HTML.

            Source https://stackoverflow.com/questions/67243398

            QUESTION

            What's the best way to run an fs2 stream through multiple pipes, then combine the results?
            Asked 2021-Apr-03 at 11:08

            I'm trying to build content-addressable file storage. The process is straightforward: take a stream of bytes and write it to a temp location while at the same time calculating a hash of the stream contents, then once the stream is done move the fully written temp object to its final location based on that hash.

            Basically like this Conduit example, but with something a little more robust than the filesystem backing it:

            ...

            ANSWER

            Answered 2021-Apr-03 at 11:08

            You aren't really missing anything. You can share streams with Topic, e.g.:

            Source https://stackoverflow.com/questions/66926701

            QUESTION

            ansible accessing key within list of nested dictionaries
            Asked 2021-Mar-25 at 00:39

            I am trying to use a loop to retrieve multiple values which are present in multiple list-nested dictionaries. Unfortunately, it seems that I cannot do so unless I explicitly define which list I want to grab. Since I intend to define hundreds of these devices, I am hoping there is something that scales better.

            ...

            ANSWER

            Answered 2021-Mar-25 at 00:24

            QUESTION

            How to terminate FS2 stream started from SBT Shell?
            Asked 2021-Mar-07 at 08:50

            If I run this program from SBT shell, then cancel it, it will keep printing "hello". I have to exit SBT to make it stop. Why is that?

            ...

            ANSWER

            Answered 2021-Mar-07 at 08:50

            As it was already mentioned in the comments, your application runs in another thread and it is never terminating since the stream is infinite, so you will have to manually terminate it when a signal like SIGTERM or SIGINT is received by the application (it's emitted whenever you hit ctrl+c to terminate the app).

            You could do something like this:

            1. create an instance of Deferred
            2. Use it to trigger interruptWhen after any of TERM or INT signal is received.

            For example:

            Source https://stackoverflow.com/questions/66372308

            QUESTION

            How to publish an FS2 Stream generated by Doobie to Kafka
            Asked 2021-Feb-25 at 14:51

            I want to publish a long list of events into Kafka consuming an fs2.Stream that corresponds to a very big list of DB rows that will eventually cause an Out Of Memotry error if compiled to List.

            So, let's say that I have a - very big - list of UUID keys with millions of records:

            ...

            ANSWER

            Answered 2021-Feb-25 at 14:51

            Since you don't say what type ChunkOfKeys is, I'm going to assume it's something like Chunk[UUID]

            Source https://stackoverflow.com/questions/65760001

            QUESTION

            Getting unexpected numbers when reading integers from an array
            Asked 2021-Jan-19 at 16:48

            I am trying to read integers from a file to an array, but when I try to read the elements of said array, I get numbers that have little to nothing to do with the numbers in the file.

            ...

            ANSWER

            Answered 2021-Jan-19 at 16:48

            Note: int a1[s1], a2[s2]; doesn't comply with the ISO C++ standard. For details, see Why aren't variable-length arrays part of the C++ standard? If you cannot know the length of an array prior to runtime, consider using std::vector.

            It is as @user4581301 says, you need to rewind the files, since std::distance() will read the files to the end.

            Otherwise you will already be at the end of the files, and you won't read any data into your arrays, which means your arrays will be holding uninitialized memory.

            Here is a solution:

            Source https://stackoverflow.com/questions/65782177

            QUESTION

            How to enqueue elements to a queue and then dequeue them?
            Asked 2021-Jan-17 at 15:38

            Imports and implicits for the following snippets:

            ...

            ANSWER

            Answered 2021-Jan-17 at 15:38

            Take a look what you actually defined here:

            Source https://stackoverflow.com/questions/65760237

            QUESTION

            Scala: How to load environment variables into Application.conf using scala?
            Asked 2021-Jan-16 at 17:45

            I have a ConfigLoader which I'm pretty sure works fine. I suspect I am not using application.conf file correctly or perhaps my directory containing the prd.env and dev.env is not in the correct place.

            What I expect to happen:

            I when I enter sbt run the ConfigLoader reads the application.conf file, sees there are variables within that file. Then checks if prd.env or dev.env depending on which environment it is in and then finally loads the variables. I want this so I can have a different database for dev and prd.

            1. I have not idea how it would find the Meta directory which contains the prd.env and dev.env (see image).
            2. I have no idea how it would be able to tell whether if the environment is in dev or prd.
            3. The goal is to now look towards deploying this app, which is why I need these environment variables to work.

            I really appreciate all the help but please try and detail your answers because I am really stuck and short answers often assume I know more than I do. Thanks :)

            Tech stack incase relevant:

            • HTTP4S,
            • CATS,
            • Doobie,
            • PostgreSQL

            application.conf file below:

            ...

            ANSWER

            Answered 2021-Jan-16 at 16:34

            When running via sbt run, the environment is set by the shell in which you're running sbt. Defining a dev.env file by itself does nothing.

            The mechanism for setting the environment in which sbt is running will vary depending on your shell.

            For example if bash is your shell (this is worth trying in other Bourne-compatible shells), prefixing the environment variables with export, e.g.:

            Source https://stackoverflow.com/questions/65750394

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install fs2

            You can download it from GitHub.
            You can use fs2 like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the fs2 component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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