Examples with ManyToOne io.requery.ManyToOne used on opensource projects

Example 1 with ManyToOne

use of io.requery.ManyToOne in project requery by requery.

the class AttributeMember method processAssociativeAnnotations.

private void processAssociativeAnnotations(ProcessingEnvironment processingEnvironment, ElementValidator validator) {
    Optional<Annotation> oneToOne = annotationOf(OneToOne.class);
    Optional<Annotation> oneToMany = annotationOf(OneToMany.class);
    Optional<Annotation> manyToOne = annotationOf(ManyToOne.class);
    Optional<Annotation> manyToMany = annotationOf(ManyToMany.class);
    oneToOne = oneToOne.isPresent() ? oneToOne : annotationOf(javax.persistence.OneToOne.class);
    oneToMany = oneToMany.isPresent() ? oneToMany : annotationOf(javax.persistence.OneToMany.class);
    manyToOne = manyToOne.isPresent() ? manyToOne : annotationOf(javax.persistence.ManyToOne.class);
    manyToMany = manyToMany.isPresent() ? manyToMany : annotationOf(javax.persistence.ManyToMany.class);
    if (Stream.of(oneToOne, oneToMany, manyToOne, manyToMany).filter(Optional::isPresent).count() > 1) {
        validator.error("Cannot have more than one associative annotation per field");
    }
    if (oneToOne.isPresent()) {
        cardinality = Cardinality.ONE_TO_ONE;
        ReflectiveAssociation reflect = new ReflectiveAssociation(oneToOne.get());
        mappedBy = reflect.mappedBy();
        cascadeActions = reflect.cascade();
        if (!isForeignKey()) {
            isReadOnly = true;
            if (!isKey()) {
                isUnique = true;
            }
        }
    }
    if (oneToMany.isPresent()) {
        isIterable = true;
        cardinality = Cardinality.ONE_TO_MANY;
        isReadOnly = true;
        ReflectiveAssociation reflect = new ReflectiveAssociation(oneToMany.get());
        mappedBy = reflect.mappedBy();
        cascadeActions = reflect.cascade();
        checkIterable(validator);
        processOrderBy();
    }
    if (manyToOne.isPresent()) {
        cardinality = Cardinality.MANY_TO_ONE;
        isForeignKey = true;
        ReflectiveAssociation reflect = new ReflectiveAssociation(manyToOne.get());
        cascadeActions = reflect.cascade();
        if (deleteAction == null) {
            deleteAction = ReferentialAction.CASCADE;
        }
        if (updateAction == null) {
            updateAction = ReferentialAction.CASCADE;
        }
    }
    if (manyToMany.isPresent()) {
        isIterable = true;
        cardinality = Cardinality.MANY_TO_MANY;
        ReflectiveAssociation reflect = new ReflectiveAssociation(manyToMany.get());
        mappedBy = reflect.mappedBy();
        cascadeActions = reflect.cascade();
        Optional<JunctionTable> junctionTable = annotationOf(JunctionTable.class);
        Optional<javax.persistence.JoinTable> joinTable = annotationOf(javax.persistence.JoinTable.class);
        if (junctionTable.isPresent()) {
            Elements elements = processingEnvironment.getElementUtils();
            associativeDescriptor = new JunctionTableAssociation(elements, this, junctionTable.get());
        } else if (joinTable.isPresent()) {
            associativeDescriptor = new JoinTableAssociation(joinTable.get());
        }
        isReadOnly = true;
        checkIterable(validator);
        processOrderBy();
    }
    if (isForeignKey()) {
        if (deleteAction == ReferentialAction.SET_NULL && !isNullable()) {
            validator.error("Cannot SET_NULL on optional attribute", ForeignKey.class);
        }
        // user mirror so generated type can be referenced
        Optional<? extends AnnotationMirror> mirror = Mirrors.findAnnotationMirror(element(), ForeignKey.class);
        if (mirror.isPresent()) {
            referencedType = mirror.flatMap(m -> Mirrors.findAnnotationValue(m, "references")).map(value -> value.getValue().toString()).orElse(null);
        } else if (!typeMirror().getKind().isPrimitive()) {
            referencedType = typeMirror().toString();
        }
    }
}