movies-java-spring-data-neo4j | Neo4j Movies Example with Spring Data Neo4j | Graph Database library

 by   neo4j-examples Java Version: Current License: No License

kandi X-RAY | movies-java-spring-data-neo4j Summary

kandi X-RAY | movies-java-spring-data-neo4j Summary

movies-java-spring-data-neo4j is a Java library typically used in Database, Graph Database, Spring Boot, Spring, Neo4j applications. movies-java-spring-data-neo4j has no bugs, it has no vulnerabilities, it has build file available and it has low support. You can download it from GitHub.

How to use Spring Boot, Spring Data, and Neo4j together. Spring Data Neo4j enables convenient integration of Neo4j in your Spring-based application. It provides object-graph mapping (OGM) functionality and other features common to the Spring Data projects. The example project is described in detail on the Neo4j Developer Site. The project uses Java 11.
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            kandi-support Support

              movies-java-spring-data-neo4j has a low active ecosystem.
              It has 455 star(s) with 302 fork(s). There are 37 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              There are 0 open issues and 40 have been closed. On average issues are closed in 446 days. There are 6 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of movies-java-spring-data-neo4j is current.

            kandi-Quality Quality

              movies-java-spring-data-neo4j has 0 bugs and 0 code smells.

            kandi-Security Security

              movies-java-spring-data-neo4j has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              movies-java-spring-data-neo4j code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              movies-java-spring-data-neo4j 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

              movies-java-spring-data-neo4j releases are not available. You will need to build from source code and install.
              Build file is available. You can build the component from source.
              It has 624 lines of code, 47 functions and 12 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed movies-java-spring-data-neo4j and discovered the below as its top functions. This is intended to give you an instant insight into movies-java-spring-data-neo4j implemented functionality, and help decide if they suit your requirements.
            • Search for movies by title
            • Search for movies by title
            • Removes wildcards from title string
            • Get the graph
            • Get the session for the given database
            • Fetching graph from database
            • Start the downloader
            • Downloads a file from the given URL
            • Get movie details by title
            • Fetch details by title
            • The sample application
            • Compares two MovieResultDto objects
            • Compares this MovieDetailsDto
            • Returns true if this member with the specified name and role are equal
            • Select a database to use
            • Converts a record to a MovieDetails
            • This method produces a unique hash code for the job
            • This method generates a unique hash code
            • Returns a hashCode of the movie
            Get all kandi verified functions for this library.

            movies-java-spring-data-neo4j Key Features

            No Key Features are available at this moment for movies-java-spring-data-neo4j.

            movies-java-spring-data-neo4j Examples and Code Snippets

            No Code Snippets are available at this moment for movies-java-spring-data-neo4j.

            Community Discussions

            QUESTION

            Springboot test vs commandLineRunner gives different result
            Asked 2019-Jul-26 at 11:32

            Here's MVCE: https://github.com/neo4j-examples/movies-java-spring-data-neo4j

            I added to Person entity method:

            ...

            ANSWER

            Answered 2019-Jul-26 at 11:32

            I am not familiar with neo4j however would guess that it the fact that the test runs in a @Transaction and the code executed by command line runner does not.

            Therefore remove the logic from command line runner to some place where it can be wrapped in a transaction, either a service class or application listener.

            Source https://stackoverflow.com/questions/57217547

            QUESTION

            Spring Data Neo4j 5 - HttpMessageNotWritableException when hitting resource endpoints
            Asked 2018-May-17 at 13:45

            In an attempt to recreate the Spring Data Neo4j official Movies example in Scala I have ran into an issue jsonifying on the Spring Data Neo4j layer.

            The details are noted in the README in this example project.

            Booting the Spring app and hitting /movies/ gives the following stacktrace:

            018-03-27 15:33:23 WARN DefaultHandlerExceptionResolver:442 - Failed to write HTTP message: org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: Invalid Object Id definition for movies.Movie: cannot find property with name 'id'; nested exception is com.fasterxml.jackson.databind.JsonMappingException: Invalid Object Id definition for movies.Movie: cannot find property with name 'id' (through reference chain: org.springframework.hateoas.PagedResources["_embedded"]->java.util.Collections$UnmodifiableMap["movies"]->java.util.ArrayList[0])

            I have opened an official Spring Data Neo4j JIRA issue here.

            Edit: After the latest comment, I have removed unrelated theories about the root cause from this post. And I have updated the example project to expose the IDs on the Spring Data Rest layer using a PostConstruct method (thanks @meistermeier). I also tried the RepositoryRestConfigurerAdapter method. However, the original HttpMessageNotWritableException persists. Any ideas?

            Update: Modeling Movie.scala after SDN-University example, I tried using com.voodoodyne.jackson.jsog.JSOGGenerator as an Object ID Generator. I can successfully hit /movies/ but the only key is "id", and it's simply an index, and not the actual id. However, 38 movies do return, the amount in the Movies data set. I would think this narrows down the issue to the jsonfying part.

            Update 2: By using a bandaid to manually form the json in the controller (using an object-to-map function, and a map-to-json function) I am finally able to send data out through the endpoints. I have updated the example project to demonstrate this. I can successfully retrieve objects from the movieRepository, and manipulate them as I please. I think this has clearly narrowed down the problem to the jsonification. Does anyone have a clear example (Java or Scala) on how to properly annotate NodeEntity with JsonIdentifyInfo?

            ...

            ANSWER

            Answered 2018-Mar-30 at 08:16

            First a note on the id as String part: The internal Neo4j id has to be of type Long (paragraph between the info sections here: https://neo4j.com/docs/ogm-manual/current/reference/#reference:annotating-entities:entity-identifier). With another type than Long Neo4j OGM is unable to find the, so called, native id field on your class.

            Now back to the initial problem you are facing. Spring Data Rest suppresses the exposure of id-like fields and Spring Data Neo4j will mark/register fields with an @Id annotation as such. To use this id fields you could for example do something like this:

            Source https://stackoverflow.com/questions/49542165

            QUESTION

            How is this rest service URL formed?
            Asked 2018-Feb-18 at 14:18

            I am learning this example:

            https://github.com/neo4j-examples/movies-java-spring-data-neo4j

            In this MovieRepository, this is the path setting:

            ...

            ANSWER

            Answered 2018-Feb-18 at 14:18

            This is described in the Spring Data REST documentation

            To have your results sorted on a particular property, add a sort URL parameter with the name of the property you want to sort the results on. You can control the direction of the sort by appending a , to the the property name plus either asc or desc. The following would use the findByNameStartsWith query method defined on the PersonRepository for all Person entities with names starting with the letter "K" and add sort data that orders the results on the name property in descending order:

            Source https://stackoverflow.com/questions/48848243

            QUESTION

            spring data rest with neo4j: How to remove relationship
            Asked 2017-Aug-17 at 09:29

            I'm trying to create an example how to remove an relationship at neo4j using spring data rest service. You can use neo4j-movies-example to test.

            If I get information about person 1 I see there is one film

            ...

            ANSWER

            Answered 2017-Aug-17 at 09:29

            There is a settings to enable the OpenSessionInViewInterceptor in Spring Boot application.properties:

            Source https://stackoverflow.com/questions/44907670

            QUESTION

            Cannot search movies in Neo4j Movies sample application
            Asked 2017-Jun-24 at 11:13

            On Ubuntu 16.10 I have followed the instruction from:

            https://github.com/neo4j-examples/movies-java-spring-data-neo4j-4

            But when I go to http://localhost:8080/ and try to search for e.g. Matrix nothing happens, it just looks empty:

            I have verified that the neo4j db has been populated with the required data and I also updated user/pass in the .properties file in the maven project.

            Any ideas, and is it possible to find a log somewhere?

            Pressing F12 in Firefox gives:

            Indicating the error in the sources as described in the below answer, did not manage to get the same error info in Chrome when pressing F12 though.

            ...

            ANSWER

            Answered 2017-Jun-24 at 05:50

            The code in the GitHub project is not properly updated. The MovieRepository.java class has findByTitleContaining method and @param is missing in this method. If you check the index.html file, javascript code is executing /movies/search/findByTitleLike?title=* URL. The quick fix will be add following method in MovieRepository.java and then execute mvn spring-boot:run command again.

            Source https://stackoverflow.com/questions/44728627

            QUESTION

            neo4j movies example returning malformed json
            Asked 2017-Mar-22 at 15:25

            I'm trying to setup the Spring Data Neo4j 4 neo4j movies example found at https://neo4j.com/developer/example-project/

            The link to the code is at https://github.com/neo4j-examples/movies-java-spring-data-neo4j-4

            I have everything up and running locally. Two of the three components are working, the list of movies and the background graph. What isn't working is the displaying of an individual movie on the right.

            This information is populated starting at the following code
            index.html (starting at line 82):

            ...

            ANSWER

            Answered 2017-Mar-15 at 03:46

            I was able to get a different example, with the same structure, to work: https://github.com/springframeworkguru/spring-boot-neo4j-example then modify it to do what my original example was attempting to do. Then, I was able to compare the differences between the two projects, apply the differences to the original project and have it behave correctly. Following are all the code differences to make it work correctly:

            index.html (line 105) comment out line, not needed

            Source https://stackoverflow.com/questions/42676594

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

            Vulnerabilities

            No vulnerabilities reported

            Install movies-java-spring-data-neo4j

            You can download it from GitHub.
            You can use movies-java-spring-data-neo4j 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 movies-java-spring-data-neo4j 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 .

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            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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