private static void buildAssosiationSets(MetadataStore metadataStore, List<Builder> edmSchemas) {
for (Schema schema : metadataStore.getSchemaList()) {
EdmSchema.Builder odataSchema = findSchema(edmSchemas, schema.getName());
EdmEntityContainer.Builder entityContainer =
findEntityContainer(edmSchemas, schema.getName());
List<EdmAssociationSet.Builder> assosiationSets = new ArrayList<EdmAssociationSet.Builder>();
List<EdmAssociation.Builder> assosiations = new ArrayList<EdmAssociation.Builder>();
for (Table table : schema.getTables().values()) {
// build Associations
for (ForeignKey fk : table.getForeignKeys()) {
EdmEntitySet.Builder entitySet =
findEntitySet(edmSchemas, schema.getName(), table.getName());
EdmEntitySet.Builder refEntitySet =
findEntitySet(edmSchemas, schema.getName(), fk.getReferenceTableName());
EdmEntityType.Builder entityType =
findEntityType(edmSchemas, schema.getName(), table.getName());
EdmEntityType.Builder refEntityType =
findEntityType(edmSchemas, schema.getName(), fk.getReferenceTableName());
// check to see if fk is part of this table's pk, then it is 1 to 1 relation
boolean onetoone = sameColumnSet(table.getPrimaryKey(), fk);
// Build Association Ends
EdmAssociationEnd.Builder endSelf =
EdmAssociationEnd.newBuilder()
.setRole(table.getName())
.setType(entityType)
.setMultiplicity(onetoone ? EdmMultiplicity.ZERO_TO_ONE : EdmMultiplicity.MANY);
EdmAssociationEnd.Builder endRef =
EdmAssociationEnd.newBuilder()
.setRole(fk.getReferenceTableName())
.setType(refEntityType)
.setMultiplicity(EdmMultiplicity.ZERO_TO_ONE);
// Build Association
EdmAssociation.Builder association = EdmAssociation.newBuilder();
association.setName(table.getName() + "_" + fk.getName());
association.setEnds(endSelf, endRef);
association.setNamespace(
refEntityType
.getFullyQualifiedTypeName()
.substring(0, refEntityType.getFullyQualifiedTypeName().indexOf('.')));
assosiations.add(association);
// Build ReferentialConstraint
if (fk.getReferenceColumns() != null) {
EdmReferentialConstraint.Builder erc = EdmReferentialConstraint.newBuilder();
erc.setPrincipalRole(fk.getReferenceTableName());
erc.addPrincipalReferences(fk.getReferenceColumns());
erc.setDependentRole(table.getName());
erc.addDependentReferences(getColumnNames(fk.getColumns()));
association.setRefConstraint(erc);
}
// Add EdmNavigationProperty to entity type
EdmNavigationProperty.Builder nav =
EdmNavigationProperty.newBuilder(fk.getReferenceTableName());
nav.setRelationshipName(fk.getName());
nav.setFromToName(table.getName(), fk.getReferenceTableName());
nav.setRelationship(association);
nav.setFromTo(endSelf, endRef);
entityType.addNavigationProperties(nav);
// Add EdmNavigationProperty to Reference entity type
EdmNavigationProperty.Builder refNav = EdmNavigationProperty.newBuilder(table.getName());
refNav.setRelationshipName(fk.getName());
refNav.setFromToName(fk.getReferenceTableName(), table.getName());
refNav.setRelationship(association);
refNav.setFromTo(endRef, endSelf);
refEntityType.addNavigationProperties(refNav);
// build AssosiationSet
EdmAssociationSet.Builder assosiationSet =
EdmAssociationSet.newBuilder()
.setName(table.getName() + "_" + fk.getName())
.setAssociationName(fk.getName());
// Build AssosiationSet Ends
EdmAssociationSetEnd.Builder endOne =
EdmAssociationSetEnd.newBuilder()
.setEntitySet(entitySet)
.setRoleName(table.getName())
.setRole(
EdmAssociationEnd.newBuilder()
.setType(entityType)
.setRole(entityType.getName()));
EdmAssociationSetEnd.Builder endTwo =
EdmAssociationSetEnd.newBuilder()
.setEntitySet(refEntitySet)
.setRoleName(fk.getReferenceTableName())
.setRole(
EdmAssociationEnd.newBuilder()
.setType(refEntityType)
.setRole(refEntityType.getName()));
assosiationSet.setEnds(endOne, endTwo);
assosiationSet.setAssociation(association);
assosiationSets.add(assosiationSet);
}
}
entityContainer.addAssociationSets(assosiationSets);
odataSchema.addAssociations(assosiations);
}
}
public static EdmEntitySet.Builder getBuilder(String namespace) {
EdmEntityType.Builder modelBuilder = MdHierNodeWrapper.getEntityModel(namespace);
EdmEntityType.Builder rowType =
EdmEntityType.newBuilder().setNamespace(namespace).setName("Row");
EdmEntityType.Builder mdDataDimType = MdDataDimWrapper.getEntityModel(namespace);
EdmEntityType.Builder mdHierarchyType = MdHierarchyWrapper.getEntityModel(namespace);
EdmAssociationEnd.Builder mdHierNodeRowEnd =
EdmAssociationEnd.newBuilder()
.setRole("MdHierNode")
.setType(modelBuilder)
.setMultiplicity(EdmMultiplicity.ONE);
EdmAssociationEnd.Builder rowMdHierNodeEnd =
EdmAssociationEnd.newBuilder()
.setRole("Rows")
.setType(rowType)
.setMultiplicity(EdmMultiplicity.MANY);
EdmAssociation.Builder mdHierNodeRow =
EdmAssociation.newBuilder()
.setName("MdHierNode-Rows")
.setEnds(mdHierNodeRowEnd, rowMdHierNodeEnd);
EdmAssociationEnd.Builder mdHierNodeMdDataDimEnd =
EdmAssociationEnd.newBuilder()
.setRole("MdHierNode")
.setType(modelBuilder)
.setMultiplicity(EdmMultiplicity.ONE);
EdmAssociationEnd.Builder mdDataDimMdHierNodeEnd =
EdmAssociationEnd.newBuilder()
.setRole("MdDataDim")
.setType(mdDataDimType)
.setMultiplicity(EdmMultiplicity.MANY);
EdmAssociation.Builder mdHierNodeMdDataDim =
EdmAssociation.newBuilder()
.setName("MdHierNode-MdDataDim")
.setEnds(mdHierNodeMdDataDimEnd, mdDataDimMdHierNodeEnd);
EdmAssociationEnd.Builder mdHierarchyMdHierNodeEnd =
EdmAssociationEnd.newBuilder()
.setRole("MdHierarchy")
.setType(mdHierarchyType)
.setMultiplicity(EdmMultiplicity.ONE);
EdmAssociationEnd.Builder mdHierNodeMdHierarchyEnd =
EdmAssociationEnd.newBuilder()
.setRole("MdHierNode")
.setType(modelBuilder)
.setMultiplicity(EdmMultiplicity.MANY);
EdmAssociation.Builder mdHierNodeMdHierarchy =
EdmAssociation.newBuilder()
.setName("MdHierNode-MdHierarchy")
.setEnds(mdHierNodeMdHierarchyEnd, mdHierarchyMdHierNodeEnd);
EdmNavigationProperty.Builder nodeHierarchyNavigationProperty =
EdmNavigationProperty.newBuilder("IdHierarchy")
.setRelationship(mdHierNodeMdHierarchy)
.setFromTo(mdHierNodeMdHierarchy.getEnd1(), mdHierNodeMdHierarchy.getEnd2());
modelBuilder.addNavigationProperties(nodeHierarchyNavigationProperty);
EdmNavigationProperty.Builder nodeRowsNavigationProperty =
EdmNavigationProperty.newBuilder("NodeRows")
.setRelationship(mdHierNodeRow)
.setFromTo(mdHierNodeRow.getEnd1(), mdHierNodeRow.getEnd2());
modelBuilder.addNavigationProperties(nodeRowsNavigationProperty);
EdmNavigationProperty.Builder nodeDataNavigationProperty =
EdmNavigationProperty.newBuilder("NodeData")
.setRelationship(mdHierNodeMdDataDim)
.setFromTo(mdHierNodeMdDataDim.getEnd1(), mdHierNodeMdDataDim.getEnd2());
modelBuilder.addNavigationProperties(nodeDataNavigationProperty);
return EdmEntitySet.newBuilder().setName("MdHierNode").setEntityType(modelBuilder);
}
