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Romeo and Juliet

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3 Dec 2011CPOL11 min read 58.3K   413   67  
Making relationships first class citizens.
<?xml version="1.0" encoding="utf-8"?>
<Schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <RelationshipsContainer>
    <RelationshipsContainer>
      <Relationships>
        <Relationship Name="Family-Name">
          <EntityA>Family</EntityA>
          <EntityB>Name</EntityB>
          <AtoBCardinality>OneToOne</AtoBCardinality>
          <AtoBRelationship>Has A</AtoBRelationship>
          <BtoARelationship>Belongs To A</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Name-Person">
          <EntityA>Name</EntityA>
          <EntityB>Person</EntityB>
          <AtoBCardinality>OneToMany</AtoBCardinality>
          <AtoBRelationship>First name of a</AtoBRelationship>
          <BtoARelationship>Has a first</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Person-Person">
          <EntityA>Person</EntityA>
          <EntityB>Person</EntityB>
          <AtoBCardinality>OneToMany</AtoBCardinality>
          <AtoBRelationship>Related To</AtoBRelationship>
          <BtoARelationship>Related To</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes>
            <RelationshipTypes Name="Relation" RelationshipType="Person-Person Relationships" />
            <RelationshipTypes Name="Love Life" RelationshipType="Entanglement" />
          </RelationshipTypes>
        </Relationship>
        <Relationship Name="Family-Person">
          <EntityA>Family</EntityA>
          <EntityB>Person</EntityB>
          <AtoBCardinality>OneToMany</AtoBCardinality>
          <AtoBRelationship>Has</AtoBRelationship>
          <BtoARelationship>Member Of</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Anonymous Group  - Name">
          <EntityA>Anonymous Group</EntityA>
          <EntityB>Name</EntityB>
          <AtoBCardinality>OneToOne</AtoBCardinality>
          <AtoBRelationship>Has a</AtoBRelationship>
          <BtoARelationship>applies to</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Person-Behavior">
          <EntityA>Person</EntityA>
          <EntityB>Sexual Behavior</EntityB>
          <AtoBCardinality>OneToOne</AtoBCardinality>
          <AtoBRelationship>Is</AtoBRelationship>
          <BtoARelationship>Describes</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Person-Action">
          <EntityA>Person</EntityA>
          <EntityB>Action</EntityB>
          <AtoBCardinality>ManyToMany</AtoBCardinality>
          <AtoBRelationship>Does</AtoBRelationship>
          <BtoARelationship>Is Done By</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Action-Place">
          <EntityA>Action</EntityA>
          <EntityB>Place</EntityB>
          <AtoBCardinality>OneToMany</AtoBCardinality>
          <AtoBRelationship>Happens at</AtoBRelationship>
          <BtoARelationship>Is the location of</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Anonymous Group - Action">
          <EntityA>Anonymous Group</EntityA>
          <EntityB>Action</EntityB>
          <AtoBCardinality>OneToMany</AtoBCardinality>
          <AtoBRelationship>Does</AtoBRelationship>
          <BtoARelationship>Is done by</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Place - Name">
          <EntityA>Place</EntityA>
          <EntityB>Name</EntityB>
          <AtoBCardinality>OneToOne</AtoBCardinality>
          <AtoBRelationship>is called</AtoBRelationship>
          <BtoARelationship>is at</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
        <Relationship Name="Action - Name">
          <EntityA>Action</EntityA>
          <EntityB>Name</EntityB>
          <AtoBCardinality>OneToOne</AtoBCardinality>
          <AtoBRelationship>is called</AtoBRelationship>
          <BtoARelationship>is at</BtoARelationship>
          <DescribedWith />
          <RelationshipTypes />
        </Relationship>
      </Relationships>
    </RelationshipsContainer>
  </RelationshipsContainer>
  <AttributesContainer>
    <AttributesContainer>
      <Attributes>
        <Attribute Name="Name" />
        <Attribute Name="Behavior" PickList="Sexual Behavior" />
        <Attribute Name="Activity" PickList="Activities" />
      </Attributes>
    </AttributesContainer>
  </AttributesContainer>
  <EntitiesContainer>
    <EntitiesContainer>
      <Entities>
        <Entity Name="Family">
          <EntityAttributes />
        </Entity>
        <Entity Name="Name">
          <EntityAttributes>
            <EntityAttribute Name="Name" />
          </EntityAttributes>
        </Entity>
        <Entity Name="Person">
          <EntityAttributes />
        </Entity>
        <Entity Name="Anonymous Group">
          <EntityAttributes />
        </Entity>
        <Entity Name="Sexual Behavior">
          <EntityAttributes>
            <EntityAttribute Name="Behavior" />
          </EntityAttributes>
        </Entity>
        <Entity Name="Action">
          <EntityAttributes>
            <EntityAttribute Name="Activity" />
          </EntityAttributes>
        </Entity>
        <Entity Name="Place">
          <EntityAttributes />
        </Entity>
      </Entities>
    </EntitiesContainer>
  </EntitiesContainer>
  <ListsContainer>
    <ListsContainer>
      <ListOfItems>
        <ListOfItems Name="Sexual Behavior">
          <Items>
            <ListItem Name="Chaste" />
            <ListItem Name="None" />
            <ListItem Name="Promiscuous" />
            <ListItem Name="Socially Acceptable" />
          </Items>
        </ListOfItems>
        <ListOfItems Name="Activities">
          <Items>
            <ListItem Name="Fighting" />
            <ListItem Name="Talking" />
            <ListItem Name="Dying" />
            <ListItem Name="Haunting" />
            <ListItem Name="Partying" />
          </Items>
        </ListOfItems>
      </ListOfItems>
    </ListsContainer>
  </ListsContainer>
  <PairsContainer>
    <PairsContainer>
      <ListOfPairs>
        <ListOfPairs Name="Person-Person Relationships">
          <Pairs>
            <PairItem Name="Spouse" A_Is="Husband" B_Is="Wife" />
            <PairItem Name="Father-Son" A_Is="Father" B_Is="Son" />
            <PairItem Name="Mother-Son" A_Is="Mother" B_Is="Son" />
            <PairItem Name="Lord-Servant" A_Is="Lord" B_Is="Servant" />
            <PairItem Name="Kinsman" A_Is="Kinsman" B_Is="Kinsman" />
            <PairItem Name="Acquaintance" A_Is="Acquaintance" B_Is="Acquaintance" />
            <PairItem Name="Uncle-Nephew" A_Is="Uncle" B_Is="Nephew" />
            <PairItem Name="Aunt-Nephew" A_Is="Aunt" B_Is="Nephew" />
          </Pairs>
        </ListOfPairs>
        <ListOfPairs Name="Entanglement">
          <Pairs>
            <PairItem Name="In Love But" A_Is="In Love" B_Is="Not In Love" />
            <PairItem Name="In Love" A_Is="In Love" B_Is="In Love" />
            <PairItem Name="None" A_Is="None" B_Is="None" />
          </Pairs>
        </ListOfPairs>
      </ListOfPairs>
    </PairsContainer>
  </PairsContainer>
</Schema>

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Architect Interacx
United States United States
Blog: https://marcclifton.wordpress.com/
Home Page: http://www.marcclifton.com
Research: http://www.higherorderprogramming.com/
GitHub: https://github.com/cliftonm

All my life I have been passionate about architecture / software design, as this is the cornerstone to a maintainable and extensible application. As such, I have enjoyed exploring some crazy ideas and discovering that they are not so crazy after all. I also love writing about my ideas and seeing the community response. As a consultant, I've enjoyed working in a wide range of industries such as aerospace, boatyard management, remote sensing, emergency services / data management, and casino operations. I've done a variety of pro-bono work non-profit organizations related to nature conservancy, drug recovery and women's health.

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