Examples with Multiplicity org.apache.atlas.typesystem.types.Multiplicity used on opensource projects

Example 1 with Multiplicity

use of org.apache.atlas.typesystem.types.Multiplicity in project incubator-atlas by apache.

the class TypeConverterUtil method toAtlasAttributeDef.

public static AtlasAttributeDef toAtlasAttributeDef(final AttributeDefinition attrDefinition) {
    AtlasAttributeDef ret = new AtlasAttributeDef();
    ret.setName(attrDefinition.name);
    ret.setTypeName(attrDefinition.dataTypeName);
    ret.setIsIndexable(attrDefinition.isIndexable);
    ret.setIsUnique(attrDefinition.isUnique);
    if (attrDefinition.isComposite) {
        ret.addConstraint(new AtlasConstraintDef(CONSTRAINT_TYPE_OWNED_REF));
    }
    if (StringUtils.isNotBlank(attrDefinition.reverseAttributeName)) {
        ret.addConstraint(new AtlasConstraintDef(CONSTRAINT_TYPE_INVERSE_REF, new HashMap<String, Object>() {

            {
                put(CONSTRAINT_PARAM_ATTRIBUTE, attrDefinition.reverseAttributeName);
            }
        }));
    }
    // Multiplicity attribute mapping
    Multiplicity multiplicity = attrDefinition.multiplicity;
    int minCount = multiplicity.lower;
    int maxCount = multiplicity.upper;
    boolean isUnique = multiplicity.isUnique;
    if (minCount == 0) {
        ret.setIsOptional(true);
        ret.setValuesMinCount(0);
    } else {
        ret.setIsOptional(false);
        ret.setValuesMinCount(minCount);
    }
    if (maxCount < 2) {
        ret.setCardinality(Cardinality.SINGLE);
        ret.setValuesMaxCount(1);
    } else {
        if (!isUnique) {
            ret.setCardinality(Cardinality.LIST);
        } else {
            ret.setCardinality(Cardinality.SET);
        }
        ret.setValuesMaxCount(maxCount);
    }
    return ret;
}