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kuni katsuya

JPA/Hibernate Ternary Association « Fulvio Di Marco: just a personal code notepad… - 0 views

fdimarco.wordpress.com/...ahibernate-ternary-association

java JPA ternary n-ary association relationships

shared by kuni katsuya on 23 Oct 12 - No Cached
  • JPA/Hibernate Ternary Association
  • kuni katsuya on 23 Oct 12
     
    "JPA/Hibernate Ternary Association"
kuni katsuya

Hibernate - Many-to-Many example - join table + extra column (Annotation) - 0 views

www.mkyong.com/...-table-extra-column-annotation

jpa @ManyToMany n-ary

shared by kuni katsuya on 23 Oct 12 - No Cached
  • Many-to-Many example – join table + extra column (Annotation)
  • For many to many relationship with
  • NO extra column in the join table
  • ...1 more annotation...
  • please refer to this @many-to-many tutorial
kuni katsuya

UML Association - relationship between classifiers to show that instances of classifiers could be either linked to each other or combined into some aggregation. - 0 views

www.uml-diagrams.org/association.html

UML association

shared by kuni katsuya on 05 Sep 12 - No Cached
  • UML Association
  • Aggregation
  • aggregation
  • ...28 more annotations...
  • composition
  • shared aggregation
  • composite aggregation
  • (shared) part could be included in several composites
  • if composite is deleted, shared parts may still exist.
  • hollow diamond
  • Composition
  • "strong" form of aggregation.
  • "weak" form of aggregation
  • whole/part relationship,
  • composite (whole) is deleted, all of its composite parts are "normally" deleted with it.
  • aggregation
  • Aggregation
  • "weak" form of aggregation
  • composite aggregation
  • composition
  • shared aggregation (
  • same (shared) part could be included in several composites
  • composite is deleted, shared parts may still exist.
  • hollow diamond a
  • Composition
  • "strong" form of aggregation
  • part could be included in at most one composite
  • whole/part relationship,
  • composite (whole) is deleted, all of its composite parts are "normally" deleted with it.
  • filled black diamond
  • N-ary Association
  • more than two ends can only be drawn this way.
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