spring-data-neo4j

问题 I am using SDN with embedded neo4j. i have to use bean validate, but it not working.null is saving in database without any exception. Dependency is dependencies { // specify dependencies here under either 'build', 'compile', 'runtime', 'test' or 'provided' scopes e.g. // runtime 'mysql:mysql-connector-java:5.1.29' // runtime 'org.postgresql:postgresql:9.3-1101-jdbc41' test "org.grails:grails-datastore-test-support:1.0-grails-2.4" compile 'org.springframework.data:spring-data-neo4j:3.2.0

问题 I am trying to write a custom converter for a nested object so that this object gets saved as string in Neo4j database. I am using @Convert annotation on my field and passing ImageConverter.class which is my AttributeConverter class. Everything works fine as expected and I am able to save string representation of Image class in Neo4j db. However, now instead of single image I want to have List<Image> as my nested field. In this case, putting @Convert(ImageConverter.class) doesn't work. I see

问题 I am trying to write a custom converter for a nested object so that this object gets saved as string in Neo4j database. I am using @Convert annotation on my field and passing ImageConverter.class which is my AttributeConverter class. Everything works fine as expected and I am able to save string representation of Image class in Neo4j db. However, now instead of single image I want to have List<Image> as my nested field. In this case, putting @Convert(ImageConverter.class) doesn't work. I see

问题 I am trying to write a custom converter for a nested object so that this object gets saved as string in Neo4j database. I am using @Convert annotation on my field and passing ImageConverter.class which is my AttributeConverter class. Everything works fine as expected and I am able to save string representation of Image class in Neo4j db. However, now instead of single image I want to have List<Image> as my nested field. In this case, putting @Convert(ImageConverter.class) doesn't work. I see

问题 Context A business has many Partners. Each partner could offer multiple Services to their customers. Some Partners offer All Services, some offer a few. The business can always sell a Product to that Partner, and which Product can be sold depends on whether the Partner offers a particular Service or not. So business could sell Product A to Partner A offering Service A. They could offer Product B to Partner A if they don't offer Service B. Question - if Partners, Products, Services are nodes,

问题 I want to delete all indexes that exist using cypher in a bulk can it be done? I am using neo4j 3.4.7. DROP INDEX ON :Label(attributename) Does it replace existing indexes if I create the same index in a later stage? 回答1: A quick way to drop all indexes and constraints is to use the APOC procedure apoc.schema.assert, as follows: CALL apoc.schema.assert({},{},true) YIELD label, key RETURN * The procedure is mainly for ensuring that the DB has the indexes and constraints passed in the first 2

问题 When I tried to create relationship using spring code, I am getting Transaction manager error. I am using Mysql and Neo4j database in my project. I tries different solution but not able to resolve. org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'transactionManager' available: No matching PlatformTransactionManager bean found for qualifier 'transactionManager' - neither qualifier match nor bean name match! Pom.xml file as below <?xml version="1.0" encoding="UTF

问题 Most examples around the Web for doing Spring integration tests with Neo4j are still on JUnit 4, and use the Neo4jRule. How do we create a setup for Neo4j + Spring + JUnit 5? 回答1: If you are testing on embedded, please use the Test Harness with a simple Spring Configuration. Here are some examples: https://medium.com/neo4j/testing-your-neo4j-based-java-application-34bef487cc3c https://github.com/michael-simons/neo4j-sdn-ogm-tips/tree/master/examples/using-the-test-harness https://github.com

问题 Most examples around the Web for doing Spring integration tests with Neo4j are still on JUnit 4, and use the Neo4jRule. How do we create a setup for Neo4j + Spring + JUnit 5? 回答1: If you are testing on embedded, please use the Test Harness with a simple Spring Configuration. Here are some examples: https://medium.com/neo4j/testing-your-neo4j-based-java-application-34bef487cc3c https://github.com/michael-simons/neo4j-sdn-ogm-tips/tree/master/examples/using-the-test-harness https://github.com

问题 I am manually setting propertyConverter of a filter in Neo4j OGM. filter.setPropertyConverter(new EnumArrayStringConverter(VendorCostStatus.class)); filters.add(filter); But then when I call session.loadAll(DomainClass. class , filters), it is picked by LoadByTypeDelegate.loadAll(Class<T> type, Filters filters) But then LoadByTypeDelegate overrides the propertyConverter of the filter by calling resolvePropertyAnnotations(Class entityType, Iterable<Filter> filters) and sets the default